The document describes Hermann Plauson's 1925 patent for a system to convert atmospheric static electricity into oscillating electromagnetic energy. It involves using balloons or kites equipped with metallic collectors to capture static charges from the air. The charges are converted into high frequency oscillations using spark gaps, condensers, and inductive coils, which can then be transformed for various uses like powering motors, lighting, or electrochemical processes. Diagrams show different configurations, such as using multiple collector balloons connected by conductors, or adding safety spark gaps to prevent overvoltage.
The document is a patent application for an atmospheric energy collector. It describes a windsock arrangement attached to a tether that collects electrical energy from the atmosphere. The windsock tapers from a large upwind opening to a small downwind opening. It is made of electrically insulating material coated with electrically conducting material. When wind extends the windsock, the conducting material collects atmospheric electrical energy and transfers it to the tether. The light-weight design allows for reasonable payload requirements for lifting mechanisms.
This document describes a device that can power electrical circuits entirely from energy abstracted from the atmosphere without needing a local power source. It summarizes an invention by Lloyd R. Crump for powering transistor circuits and other low-powered electrical devices. Specifically, it allows receiving radio frequency energy from the atmosphere or remote transmitters, rectifying it to direct current, and using that to power transistor amplifiers and other circuits. This allows powering devices like transistor radios without batteries by extracting sufficient power from existing radio signals in the atmosphere.
Frank Prentice invented an "Electrical Power Accumulator" that produced 6 times the output power compared to the input power. It used a 500 watt input to a high frequency generator operating at 500,000 Hz to produce pulses along a transmission antenna wire supported above the ground. This tapped into "earth currents" to power a receiving antenna loop 18 feet away, which was able to light 50 sixty-watt light bulbs. Dave Lawton replicated Stan Meyer's water fuel cell circuit using a NE555 timer chip to generate square waves that pulsed a water splitter cell through a choke coil, tapping ambient energy.
Battery-Equivalent DC Supply from Leakage Current: PV to Transformer-less Inv...IAES-IJPEDS
The document discusses using leakage currents that occur in different places in a photovoltaic (PV) system with a transformer-less inverter topology to generate a battery-equivalent DC supply. It simulates the various leakage current paths that occur and uses a summer circuit to add the leakage currents together. The summed leakage current is then rectified using either a fully cross-coupled rectifier or gate cross-coupled rectifier and amplified to produce around 1V of DC voltage. This demonstrates that with proper circuitry, the leakage currents in a PV system can be harnessed to generate a small DC supply without needing a battery, thus providing a potential alternative power source for standalone systems.
Proposed Wind Power System in Pyay District in Myanmarijtsrd
There are many aims for this paper such as to apply renewable energy for everyone in Myanmar, to supply electricity to rural areas not only offgrid but also ongrid and to construct wind turbines widely in costal region starting from this research. The proposed wind power system is 450W in Pyay. This proposed system may be costed around US $1700. As Bago Mountainuous Region is also situated in Pyay District, wind power can produce electricity. Moreover, 49 villages is no electricity among 567 villages. In this paper, five main components is expressed such as wind turbine, permagnet generator, rectifier, battery and inverter. Dr. Zarchi San | Daw Yin Aye Mon | Daw Lin Lin Phyu ""Proposed Wind Power System in Pyay District in Myanmar"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-3 , April 2019, URL: https://www.ijtsrd.com/papers/ijtsrd22782.pdf
Paper URL: https://www.ijtsrd.com/engineering/electrical-engineering/22782/proposed-wind-power-system-in-pyay-district-in-myanmar/dr-zarchi-san
Great pyramid giza alternative energy pg circular timestavennerpride
1) The authors have found that the dimensions of the Great Pyramid of Giza express key ratios related to sine waves and Fibonacci numbers. They hypothesize that the pyramid shape could function as a wideband antenna for capturing atmospheric electrostatic discharge (ESD) impulses.
2) Experiments show that a pyramid-shaped transducer can absorb ESD impulses from an electrostatic field and convert them into exponentially decaying sinusoidal waveforms.
3) Through an inductive coil system, the transducer is able to transfer power from the captured ESD impulses. Measurements indicate the system can achieve efficiencies of around 20-30% in transferring power.
This document summarizes a seminar presentation on solid state transformers (SSTs) and their implementations. It introduces SSTs as consisting of multi-stage power electronics converters with high frequency transformer isolation. The document outlines some disadvantages of conventional transformers and classifications of SST topologies, including single-stage, dual-active bridge, and multi-stage varieties. Applications discussed include renewable energy integration, electric vehicles, and microgrids. Advantages of SSTs are noted as smaller size, power quality control, fault isolation, and environmental benefits.
The document is a patent application for an atmospheric energy collector. It describes a windsock arrangement attached to a tether that collects electrical energy from the atmosphere. The windsock tapers from a large upwind opening to a small downwind opening. It is made of electrically insulating material coated with electrically conducting material. When wind extends the windsock, the conducting material collects atmospheric electrical energy and transfers it to the tether. The light-weight design allows for reasonable payload requirements for lifting mechanisms.
This document describes a device that can power electrical circuits entirely from energy abstracted from the atmosphere without needing a local power source. It summarizes an invention by Lloyd R. Crump for powering transistor circuits and other low-powered electrical devices. Specifically, it allows receiving radio frequency energy from the atmosphere or remote transmitters, rectifying it to direct current, and using that to power transistor amplifiers and other circuits. This allows powering devices like transistor radios without batteries by extracting sufficient power from existing radio signals in the atmosphere.
Frank Prentice invented an "Electrical Power Accumulator" that produced 6 times the output power compared to the input power. It used a 500 watt input to a high frequency generator operating at 500,000 Hz to produce pulses along a transmission antenna wire supported above the ground. This tapped into "earth currents" to power a receiving antenna loop 18 feet away, which was able to light 50 sixty-watt light bulbs. Dave Lawton replicated Stan Meyer's water fuel cell circuit using a NE555 timer chip to generate square waves that pulsed a water splitter cell through a choke coil, tapping ambient energy.
Battery-Equivalent DC Supply from Leakage Current: PV to Transformer-less Inv...IAES-IJPEDS
The document discusses using leakage currents that occur in different places in a photovoltaic (PV) system with a transformer-less inverter topology to generate a battery-equivalent DC supply. It simulates the various leakage current paths that occur and uses a summer circuit to add the leakage currents together. The summed leakage current is then rectified using either a fully cross-coupled rectifier or gate cross-coupled rectifier and amplified to produce around 1V of DC voltage. This demonstrates that with proper circuitry, the leakage currents in a PV system can be harnessed to generate a small DC supply without needing a battery, thus providing a potential alternative power source for standalone systems.
Proposed Wind Power System in Pyay District in Myanmarijtsrd
There are many aims for this paper such as to apply renewable energy for everyone in Myanmar, to supply electricity to rural areas not only offgrid but also ongrid and to construct wind turbines widely in costal region starting from this research. The proposed wind power system is 450W in Pyay. This proposed system may be costed around US $1700. As Bago Mountainuous Region is also situated in Pyay District, wind power can produce electricity. Moreover, 49 villages is no electricity among 567 villages. In this paper, five main components is expressed such as wind turbine, permagnet generator, rectifier, battery and inverter. Dr. Zarchi San | Daw Yin Aye Mon | Daw Lin Lin Phyu ""Proposed Wind Power System in Pyay District in Myanmar"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-3 , April 2019, URL: https://www.ijtsrd.com/papers/ijtsrd22782.pdf
Paper URL: https://www.ijtsrd.com/engineering/electrical-engineering/22782/proposed-wind-power-system-in-pyay-district-in-myanmar/dr-zarchi-san
Great pyramid giza alternative energy pg circular timestavennerpride
1) The authors have found that the dimensions of the Great Pyramid of Giza express key ratios related to sine waves and Fibonacci numbers. They hypothesize that the pyramid shape could function as a wideband antenna for capturing atmospheric electrostatic discharge (ESD) impulses.
2) Experiments show that a pyramid-shaped transducer can absorb ESD impulses from an electrostatic field and convert them into exponentially decaying sinusoidal waveforms.
3) Through an inductive coil system, the transducer is able to transfer power from the captured ESD impulses. Measurements indicate the system can achieve efficiencies of around 20-30% in transferring power.
This document summarizes a seminar presentation on solid state transformers (SSTs) and their implementations. It introduces SSTs as consisting of multi-stage power electronics converters with high frequency transformer isolation. The document outlines some disadvantages of conventional transformers and classifications of SST topologies, including single-stage, dual-active bridge, and multi-stage varieties. Applications discussed include renewable energy integration, electric vehicles, and microgrids. Advantages of SSTs are noted as smaller size, power quality control, fault isolation, and environmental benefits.
Rectennas convert received microwaves into direct current electricity. They are composed of antenna dipoles and diodes arranged in a mesh pattern. Rectennas can be highly efficient, with efficiencies over 90% observed in the laboratory. In the future, rectennas may be used to generate large-scale power from microwave beams transmitted from orbiting solar power satellites.
International Journal of Engineering Research and DevelopmentIJERD Editor
This document presents a dynamic model and control strategy for a grid-connected hybrid wind and photovoltaic (PV) power generation system. It describes models for the key system components, including a variable speed wind turbine with permanent magnet synchronous generator (PMSG), PV array, and power conditioning system. The power conditioning system uses boost converters to regulate the DC link voltage from the wind and PV sources. A voltage source inverter and PQ controller are used to interface the hybrid system and deliver power to the grid while maintaining a stable common DC bus voltage. Simulation results show the feasibility of the proposed hybrid power system for distributed energy applications.
In this paper, three different impedance source inverters: Z-source inverter, EZ- source inverter, TZ-Source for wind energy conversion system (WECS) were investigated. Total output power and THD of each of these systems are calculated. The proposed system can boost the output voltage effectively when the low output voltage of the generator is available at low wind speed. This system has higher performance, less components, increased efficiency and reduced cost. These features make the proposed TZSI based system suitable for the wind conversion systems. MATLAB simulink model for wind generator system is developed and simulation studies are successfully performed. The simulation is done using MATLAB and the simulation results are presented. This comparison shows that the TZ-source inverter is very promising for wind energy conversion system.
Battery energy storage and power electronics based voltage and frequency cont...IAEME Publication
This document summarizes a system for connecting a wind turbine to the electric grid using battery energy storage and power electronics for voltage and frequency control. The system includes an asynchronous generator, uncontrolled rectifier, PWM inverter, DC link capacitor, and battery storage. Simulation results in MATLAB demonstrate the system's ability to generate grid-quality power from a wind turbine while regulating voltage and frequency. The battery storage compensates for fluctuations from the intermittent wind power and supports strengthening the generator's connection to the grid.
Performance Characteristics of SEIGUsed In Wind Energy Conversion SystemIJSRD
This paper shows the wind driven self-excited induction generator used in wind turbine for drive applications. The self-excited induction generator is mathematically modeled to perform efficiently as a real time performance. Here we used voltage source inverter which is a normal pulse width modulation inverter fed with resistive load. A voltage source inverter is used which forms a bridge between the self-excited induction generator and a load .The voltage source inverter are used to provide to make a system simple and cost effective. The simple arrangement is used such that the efficiency of the system becomes high with minimized losses. The PWM Inverters (VSI) is used to convert the variable magnitude and frequency voltage into reliable constant voltage and constant frequency supply to drive the isolated load. The self-excited induction generator and other power electronic converter components are modeled through coding and simulation in MATLAB/SIMULINK 8.1.604 (R2013a).
This document provides a 3-sentence summary of the key information from the given document:
The document is a white paper from Power Engineers, Inc. that was prepared for CTC Global to discuss conductor performance, reactive power, and voltage management on electric transmission lines. It covers concepts of real and reactive power, the impact of resistance, inductance, and capacitance on transmission lines, and compares the performance of different conductor designs for managing reactive power and voltages. The white paper also includes a case study example to illustrate reactive power and voltage performance on transmission lines.
Application of Variable Inductors in a DC/DC Converter to Increase the Operat...theijes
This document summarizes a research paper that proposes using variable inductors in a Cuk DC/DC converter to increase the operating range of a maximum power point tracker (MPPT) at low solar irradiation levels. The variable inductors allow the inductance to decrease at higher currents, reducing component size and cost while maintaining continuous conduction mode over a wider load range. This extends the operating range of the MPPT controller to recover more solar energy during periods of low light or partial shading. Computer simulations using PSCAD/EMTDC validated the effectiveness of the proposed converter design with variable inductance.
This document discusses a project on a wireless power transfer system. It introduces wireless power transfer as the transmission of electrical energy without discrete conductors through time-varying electric, magnetic, or electromagnetic fields. A wireless transmitter connected to a power source conveys field energy across space to one or more receivers, which convert it back to electrical current. Wireless transmission is useful for powering devices where wires are inconvenient or impossible. The document lists components like voltage regulators, resistors, diodes, and capacitors needed and provides applications such as charging electronic devices, electric vehicles, and mobile phones or powering transmission over long distances.
The Eighteenth Annual Newfoundland Electrical and Computer Engineering Confer...mominul511
This document summarizes a feasibility study of implementing a pumped hydro energy storage system for the wind-diesel hybrid power system in Ramea, Newfoundland. Simulations found that a 500 battery, 150kW pumped hydro system could store excess wind energy, reduce fuel consumption by 94,782L per year, and lower the cost of energy by $0.03/kWh. Dynamic simulations showed the pumped hydro system effectively manages power flows during pumping and generation to meet loads and integrate wind energy. Future work could implement an actual pumped hydro system and consider variable loads and speeds.
This document summarizes a study on controlling DC/DC converters for maximum power tracking in solar energy systems. The study analyzed buck, boost, and buck-boost converter performance using a discrete-time proportional-integral control algorithm to track the maximum power points of a solar array. Simulation and experimental results showed the converters successfully tracked maximum power points under changing solar irradiance. The buck converter achieved the highest efficiency of around 90%. The control method and converter configurations allow solar energy systems to effectively transfer power from solar arrays.
The document compares lead-acid and lithium-ion batteries for use in solar photovoltaic applications. It describes a 100 kW solar PV array connected to a utility grid and discusses the characteristics of lead-acid and lithium-ion batteries. Mathematical models are presented for both battery types to simulate their performance during charging and discharging. A cost-benefit analysis is conducted to determine the best battery for solar PV systems.
This project report discusses wireless power transmission techniques. It begins by introducing wireless power transmission and some of its advantages over wired transmission. It then describes various near-field techniques like inductive coupling and resonant inductive coupling. Far-field techniques like microwave power transmission and laser power transmission are also summarized. Key differences between various techniques are highlighted. The report provides examples and diagrams to illustrate wireless power transmission concepts.
This document summarizes a technique for harvesting renewable energy from tidal, wind, and geothermal sources to power submarine communications. The energies are first converted to mechanical then electrical AC energy. An AC-DC converter produces DC power for storage. Geothermal energy uses heat from the earth's interior. An organic Rankine cycle converts high temperature geothermal water to vapor, powering a turbine to generate AC electricity. A boost converter increases the DC voltage for storage. Simulations validate the theoretical predictions for harvesting renewable energy underwater.
Power system Projects, Power electronics projects, Control system projects,
MSR PROJECTS ( Now as a MSR EDUSOFT PVT LTD),
#503,Annapurna Block, beside mytrivanam, Adhithya Enclave, Ameerpet, HYD-38.
E-mail: msrprojectshyd@gmail.com,
Web: www.msrprojectshyd.com , facebook.com/msrprojects ,
Ring on: 040 66334142, +91 9581464142.
Branches: Hyderabad ( Ameerpet | Dilsuknagar) | Kurnool
Grid-Connection Control and Simulation of PMSG Wind Power System Based on Mul...ijsrd.com
This dissertation proposes a wind energy conversion system is composed of a wind turbine PMSG, a rectifier, and an inverter. The wind turbine PMSG transforms the mechanical power from the wind into the electrical power, while the rectifier converts the AC power into DC power and controls the speed of the PMSG. The controllable inverter helps in converting the DC power to variable frequency and magnitude AC power. With the voltage oriented control, the inverter also possesses the ability to control the active and reactive powers injected into the grid. Multilevel inerter is used to step up the voltage and to reduce the THD. Here nine level and eleven level inverter are used and the voltage increases and THD reduces from 12.87 % to 7.46 %. Active and reactive power is controlled dc stabilization and the reactive power is near to unity Here PI controller is used to control the inverter output rms voltage and LC filter is used to remove the harmonics available in the system.
A Single Phase Eleven Level Cascaded H-Bridge Multilevel Inverter for Photovo...IJMER
Abstract: A Cascaded H-Bridge Multilevel Inverter is a power electronic converter built to synthesize a desired ac voltage
from several levels of dc voltages with better harmonic spectrum. Such inverters are suitable for high voltage and high
power applications and have been an important development in recent years. This paper presents the performance of a
eleven level cascaded H-Bridge multilevel inverter topology with multicarrier pulse width modulation technique for
photovoltaic cell. This inverter is capable of producing eleven levels of output voltage from the dc supply voltage. This
topology magnifies the fundamental output voltage with reduction in total harmonic distortion . The output is drawn near the
sine wave because of more levels. It can also be easily extended to an m-level inverter. The performance of the proposed
PWM strategy in terms of output voltage and THD is shown using MATLAB/Simulink.
Keywords: Multilevel inverter, Cascaded H-Bridge multilevel inverter, Multicarrier pulse width modulation, PV cell, Total
harmonic distortion.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Nine Level Inverter with Boost Converter from Renewable Energy SourceIJERA Editor
A new single phase nine level multilevel inverter is proposed. The input to the proposed nine level multilevel inverter is obtained from solar panel . The solar energy obtained from the solar panel is not constant and it varies with times. In order to maintain the constant voltage obtained from the solar panel the boost converter is used to maintain the constant output voltage using MPPT ( Perturb and observe algorithm) algorithm. Then the buck boost converter output voltage is stored in the battery bank. Finally the battery energy is connected to the 9 level inverter circuits. The harmonics in the inverter is eliminated by using the fuzzy logic controller. The gate pulse for the multilevel inverter is given by the fuzzy logic controller which in turn reduces the harmonics in the inverter. Then the inverter output is connected to the grid are some application.
Design and Development of Power Electronic Controller for Grid-connected PV A...IJAPEJOURNAL
Design and simulation of a simple power electronic interface for grid-connected PV array has been proposed using boost converter and line-commutated inverter with maximum power point tracking (MPPT) controller. The output of PV array varies with irradiation, and hence the duty cycle of the PI controller is adjusted automatically to supply a constant DC voltage to the inverter circuit, the output of which is directly connected to the grid. The MPPT controller extracts maximum power from the solar array and feeds it to the single-phase utility grid. The proposed scheme has been modeled in the MATLAB 7.1 software and the complete system has been simulated for open loop and closed loop configurations. The active power fed to the grid is taken for different firing angles in open loop mode and the firing angle for maximum power has been determined. This is compared with the firing angle obtained from the closed loop mode and found that both results agree with each other.
This document is a resume for Ket-Bong Ku, a recent law graduate from Bond University in Australia seeking a position as a solicitor. Ku has legal work experience in both Australia and Malaysia, including positions at McLaughlins Lawyers and Albar & Partners. Ku is fluent in English and Mandarin with decent proficiency in Malay. The resume outlines Ku's education, qualifications, skills, interests and referees to support an application for a legal role.
Rectennas convert received microwaves into direct current electricity. They are composed of antenna dipoles and diodes arranged in a mesh pattern. Rectennas can be highly efficient, with efficiencies over 90% observed in the laboratory. In the future, rectennas may be used to generate large-scale power from microwave beams transmitted from orbiting solar power satellites.
International Journal of Engineering Research and DevelopmentIJERD Editor
This document presents a dynamic model and control strategy for a grid-connected hybrid wind and photovoltaic (PV) power generation system. It describes models for the key system components, including a variable speed wind turbine with permanent magnet synchronous generator (PMSG), PV array, and power conditioning system. The power conditioning system uses boost converters to regulate the DC link voltage from the wind and PV sources. A voltage source inverter and PQ controller are used to interface the hybrid system and deliver power to the grid while maintaining a stable common DC bus voltage. Simulation results show the feasibility of the proposed hybrid power system for distributed energy applications.
In this paper, three different impedance source inverters: Z-source inverter, EZ- source inverter, TZ-Source for wind energy conversion system (WECS) were investigated. Total output power and THD of each of these systems are calculated. The proposed system can boost the output voltage effectively when the low output voltage of the generator is available at low wind speed. This system has higher performance, less components, increased efficiency and reduced cost. These features make the proposed TZSI based system suitable for the wind conversion systems. MATLAB simulink model for wind generator system is developed and simulation studies are successfully performed. The simulation is done using MATLAB and the simulation results are presented. This comparison shows that the TZ-source inverter is very promising for wind energy conversion system.
Battery energy storage and power electronics based voltage and frequency cont...IAEME Publication
This document summarizes a system for connecting a wind turbine to the electric grid using battery energy storage and power electronics for voltage and frequency control. The system includes an asynchronous generator, uncontrolled rectifier, PWM inverter, DC link capacitor, and battery storage. Simulation results in MATLAB demonstrate the system's ability to generate grid-quality power from a wind turbine while regulating voltage and frequency. The battery storage compensates for fluctuations from the intermittent wind power and supports strengthening the generator's connection to the grid.
Performance Characteristics of SEIGUsed In Wind Energy Conversion SystemIJSRD
This paper shows the wind driven self-excited induction generator used in wind turbine for drive applications. The self-excited induction generator is mathematically modeled to perform efficiently as a real time performance. Here we used voltage source inverter which is a normal pulse width modulation inverter fed with resistive load. A voltage source inverter is used which forms a bridge between the self-excited induction generator and a load .The voltage source inverter are used to provide to make a system simple and cost effective. The simple arrangement is used such that the efficiency of the system becomes high with minimized losses. The PWM Inverters (VSI) is used to convert the variable magnitude and frequency voltage into reliable constant voltage and constant frequency supply to drive the isolated load. The self-excited induction generator and other power electronic converter components are modeled through coding and simulation in MATLAB/SIMULINK 8.1.604 (R2013a).
This document provides a 3-sentence summary of the key information from the given document:
The document is a white paper from Power Engineers, Inc. that was prepared for CTC Global to discuss conductor performance, reactive power, and voltage management on electric transmission lines. It covers concepts of real and reactive power, the impact of resistance, inductance, and capacitance on transmission lines, and compares the performance of different conductor designs for managing reactive power and voltages. The white paper also includes a case study example to illustrate reactive power and voltage performance on transmission lines.
Application of Variable Inductors in a DC/DC Converter to Increase the Operat...theijes
This document summarizes a research paper that proposes using variable inductors in a Cuk DC/DC converter to increase the operating range of a maximum power point tracker (MPPT) at low solar irradiation levels. The variable inductors allow the inductance to decrease at higher currents, reducing component size and cost while maintaining continuous conduction mode over a wider load range. This extends the operating range of the MPPT controller to recover more solar energy during periods of low light or partial shading. Computer simulations using PSCAD/EMTDC validated the effectiveness of the proposed converter design with variable inductance.
This document discusses a project on a wireless power transfer system. It introduces wireless power transfer as the transmission of electrical energy without discrete conductors through time-varying electric, magnetic, or electromagnetic fields. A wireless transmitter connected to a power source conveys field energy across space to one or more receivers, which convert it back to electrical current. Wireless transmission is useful for powering devices where wires are inconvenient or impossible. The document lists components like voltage regulators, resistors, diodes, and capacitors needed and provides applications such as charging electronic devices, electric vehicles, and mobile phones or powering transmission over long distances.
The Eighteenth Annual Newfoundland Electrical and Computer Engineering Confer...mominul511
This document summarizes a feasibility study of implementing a pumped hydro energy storage system for the wind-diesel hybrid power system in Ramea, Newfoundland. Simulations found that a 500 battery, 150kW pumped hydro system could store excess wind energy, reduce fuel consumption by 94,782L per year, and lower the cost of energy by $0.03/kWh. Dynamic simulations showed the pumped hydro system effectively manages power flows during pumping and generation to meet loads and integrate wind energy. Future work could implement an actual pumped hydro system and consider variable loads and speeds.
This document summarizes a study on controlling DC/DC converters for maximum power tracking in solar energy systems. The study analyzed buck, boost, and buck-boost converter performance using a discrete-time proportional-integral control algorithm to track the maximum power points of a solar array. Simulation and experimental results showed the converters successfully tracked maximum power points under changing solar irradiance. The buck converter achieved the highest efficiency of around 90%. The control method and converter configurations allow solar energy systems to effectively transfer power from solar arrays.
The document compares lead-acid and lithium-ion batteries for use in solar photovoltaic applications. It describes a 100 kW solar PV array connected to a utility grid and discusses the characteristics of lead-acid and lithium-ion batteries. Mathematical models are presented for both battery types to simulate their performance during charging and discharging. A cost-benefit analysis is conducted to determine the best battery for solar PV systems.
This project report discusses wireless power transmission techniques. It begins by introducing wireless power transmission and some of its advantages over wired transmission. It then describes various near-field techniques like inductive coupling and resonant inductive coupling. Far-field techniques like microwave power transmission and laser power transmission are also summarized. Key differences between various techniques are highlighted. The report provides examples and diagrams to illustrate wireless power transmission concepts.
This document summarizes a technique for harvesting renewable energy from tidal, wind, and geothermal sources to power submarine communications. The energies are first converted to mechanical then electrical AC energy. An AC-DC converter produces DC power for storage. Geothermal energy uses heat from the earth's interior. An organic Rankine cycle converts high temperature geothermal water to vapor, powering a turbine to generate AC electricity. A boost converter increases the DC voltage for storage. Simulations validate the theoretical predictions for harvesting renewable energy underwater.
Power system Projects, Power electronics projects, Control system projects,
MSR PROJECTS ( Now as a MSR EDUSOFT PVT LTD),
#503,Annapurna Block, beside mytrivanam, Adhithya Enclave, Ameerpet, HYD-38.
E-mail: msrprojectshyd@gmail.com,
Web: www.msrprojectshyd.com , facebook.com/msrprojects ,
Ring on: 040 66334142, +91 9581464142.
Branches: Hyderabad ( Ameerpet | Dilsuknagar) | Kurnool
Grid-Connection Control and Simulation of PMSG Wind Power System Based on Mul...ijsrd.com
This dissertation proposes a wind energy conversion system is composed of a wind turbine PMSG, a rectifier, and an inverter. The wind turbine PMSG transforms the mechanical power from the wind into the electrical power, while the rectifier converts the AC power into DC power and controls the speed of the PMSG. The controllable inverter helps in converting the DC power to variable frequency and magnitude AC power. With the voltage oriented control, the inverter also possesses the ability to control the active and reactive powers injected into the grid. Multilevel inerter is used to step up the voltage and to reduce the THD. Here nine level and eleven level inverter are used and the voltage increases and THD reduces from 12.87 % to 7.46 %. Active and reactive power is controlled dc stabilization and the reactive power is near to unity Here PI controller is used to control the inverter output rms voltage and LC filter is used to remove the harmonics available in the system.
A Single Phase Eleven Level Cascaded H-Bridge Multilevel Inverter for Photovo...IJMER
Abstract: A Cascaded H-Bridge Multilevel Inverter is a power electronic converter built to synthesize a desired ac voltage
from several levels of dc voltages with better harmonic spectrum. Such inverters are suitable for high voltage and high
power applications and have been an important development in recent years. This paper presents the performance of a
eleven level cascaded H-Bridge multilevel inverter topology with multicarrier pulse width modulation technique for
photovoltaic cell. This inverter is capable of producing eleven levels of output voltage from the dc supply voltage. This
topology magnifies the fundamental output voltage with reduction in total harmonic distortion . The output is drawn near the
sine wave because of more levels. It can also be easily extended to an m-level inverter. The performance of the proposed
PWM strategy in terms of output voltage and THD is shown using MATLAB/Simulink.
Keywords: Multilevel inverter, Cascaded H-Bridge multilevel inverter, Multicarrier pulse width modulation, PV cell, Total
harmonic distortion.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Nine Level Inverter with Boost Converter from Renewable Energy SourceIJERA Editor
A new single phase nine level multilevel inverter is proposed. The input to the proposed nine level multilevel inverter is obtained from solar panel . The solar energy obtained from the solar panel is not constant and it varies with times. In order to maintain the constant voltage obtained from the solar panel the boost converter is used to maintain the constant output voltage using MPPT ( Perturb and observe algorithm) algorithm. Then the buck boost converter output voltage is stored in the battery bank. Finally the battery energy is connected to the 9 level inverter circuits. The harmonics in the inverter is eliminated by using the fuzzy logic controller. The gate pulse for the multilevel inverter is given by the fuzzy logic controller which in turn reduces the harmonics in the inverter. Then the inverter output is connected to the grid are some application.
Design and Development of Power Electronic Controller for Grid-connected PV A...IJAPEJOURNAL
Design and simulation of a simple power electronic interface for grid-connected PV array has been proposed using boost converter and line-commutated inverter with maximum power point tracking (MPPT) controller. The output of PV array varies with irradiation, and hence the duty cycle of the PI controller is adjusted automatically to supply a constant DC voltage to the inverter circuit, the output of which is directly connected to the grid. The MPPT controller extracts maximum power from the solar array and feeds it to the single-phase utility grid. The proposed scheme has been modeled in the MATLAB 7.1 software and the complete system has been simulated for open loop and closed loop configurations. The active power fed to the grid is taken for different firing angles in open loop mode and the firing angle for maximum power has been determined. This is compared with the firing angle obtained from the closed loop mode and found that both results agree with each other.
This document is a resume for Ket-Bong Ku, a recent law graduate from Bond University in Australia seeking a position as a solicitor. Ku has legal work experience in both Australia and Malaysia, including positions at McLaughlins Lawyers and Albar & Partners. Ku is fluent in English and Mandarin with decent proficiency in Malay. The resume outlines Ku's education, qualifications, skills, interests and referees to support an application for a legal role.
This document contains a resume for Priyank Raunak summarizing his personal and professional details. It includes his contact information, educational background obtaining a B.Tech degree in 2017, technical skills in programming languages and Microsoft Office, a professional project developing a payroll system, hobbies including snooker and exploring new places, and a declaration of truthfulness.
This document summarizes the content and design choices for a digipack album, advertising poster, and film stills from a music video for a post-hardcore band. For the album, the artist included conventions like the track list and imagery connecting it to the video's story/lyrics. The poster advertises the album release date and "hit track" while connecting to the album cover. The film stills showcase the narrative through shots of the characters, use of lighting/effects, and focus on the vocalist to engage viewers as commonly done in this genre. Connections were made between the album, video, and genre conventions.
La tecnología de la comunicación ha evolucionado desde instrumentos iniciales hasta dispositivos móviles portátiles con pantalla táctil y finalmente el hologenerador, avanzando rápidamente a través del tiempo.
Tata Destination 150 Value Homes Noida Expressway Floor Plan Price List Locat...Aliva Kar
Tata Value Homes is developing a new smart community project called Destination 150 in Noida, India. The 20-acre project will include over 7 acres of green spaces, a 25,000 square foot clubhouse with various amenities, and over 6 residential towers ranging from 2-3 bedroom units. The project aims to provide residents with a high quality of life through its connectivity to Delhi and other cities, proximity to schools and hospitals, and emphasis on sustainability and modern technologies.
Rowan Atkinson is a British actor and comedian best known for his comic character Mr. Bean. He studied engineering but began performing comedy while at university. His Mr. Bean character debuted on television in 1990 and became hugely popular both in the UK and internationally. The physical comedy role of the hapless Mr. Bean, which Atkinson played without words, established him as one of England's top comic actors. While very successful, Atkinson has insisted he is a private person and not inherently funny, just a performer.
The document describes an algorithm for estimating coherent ULF wave power using magnetic time series data to determine open and closed field lines. The algorithm involves: 1) mean-subtracting and high-pass filtering raw data, 2) segmenting the filtered data into 1-hour windows, 3) applying a Hanning window and estimating the power spectrum for each segment, removing the background power law, resulting in a dynamic residual spectrum estimate of coherent wave power over time and frequency. The assumption is that coherent ULF power is enhanced on closed field lines compared to open field lines, so this metric can identify open/closed field line locations.
Este documento contiene preguntas sobre comandos básicos de Linux como ls, less y mount. Se pide al estudiante que use ls para mostrar los directorios en /home y el número de líneas en /var, que use less /etc/services para investigar si se puede cambiar al editor vi, y que describa las diferencias entre los comandos halt, reboot y poweroff. También se pide que instale CentOS y muestre la salida de ls -l / y mount después de la instalación.
This document describes patent GB784849 (A) which relates to improvements in electrical measuring instruments. Specifically, it describes an instrument that functions as a ratio meter and includes a rotatable permanent magnet, electromagnetic damping chamber enclosing the magnet, and two sets of coils at right angles to each other. One set of coils acts as deflection coils, while the other set acts as ratio coils to return the magnet to its zero position after deflection. The damping chamber supports the coils and includes positioning features that locate it precisely within a non-magnetic sleeve, which then acts as the main support structure for the instrument components.
Electricity from vibration & its impactSagardwip das
With the growing demands of human needs the utilisation of conventional energy has increased tremendously. Consequently environmental issues like global warming etc. have risen. Keeping these facts in view this model has been prepared to present an idea on how the daily energy requirement can be fulfilled in a more practical, feasible and economical way by converting mechanical energy of vibration into electric energy
The document discusses different types of AC and DC motor starters and electronics components. For AC motors, it describes DOL starter, star-delta starter, and auto transformer starter. For DC motors, it mentions three point starter and four point starter. It then provides an overview of semiconductor components used in electronics like semiconductors, diodes, transistors, SCRs, LEDs, and basic rectifier circuits.
IRJET- Reducing Harmonics in Micro Grid Distrubution System using APF with PI...IRJET Journal
This document summarizes a research paper that proposes a method for reducing harmonics in microgrid distribution systems using an active power filter (APF) with a proportional-integral (PI) controller. The method compensates for current harmonics, reactive power, and excessive neutral currents caused by nonlinear loads. Simulation results show the APF successfully compensates for harmonics and reactive power during load changes, maintaining sinusoidal source currents with low distortion. It also eliminates neutral currents during single-phase load imbalances. The predictive current control algorithm used to control the APF provides effective compensation and is a robust solution.
This document provides instructions on how to read radio diagrams and schematics. It includes an example of a single-circuit regenerative tuner circuit shown in both perspective and schematic views to demonstrate how to translate between the two. The document also outlines common radio circuit components and their associated schematic symbols like coils, condensers, tubes, batteries, and phones. Finally, it provides brief descriptions of 8 different radio receiver circuits diagrams to familiarize readers with common early 20th century radio design.
This document summarizes a study analyzing a hybrid energy system consisting of wind turbines, photovoltaic panels, with hybrid DC and AC buses. The study examines control strategies for maintaining stable bus voltages in both grid-connected and isolated microgrid operations. It also models the components of a sample hybrid system including photovoltaic arrays, boost converters, and inverters. Simulation results using MATLAB/Simulink show the voltages of the AC and DC buses can be maintained steadily.
Wind parks are made up of a large number of
saturable inductances (power transformers, inductive voltage
transformers (IVTs)), as well as capacitors (cables, wind turbine
harmonic filters, capacitor voltage transformers (CVTs), voltage
grading capacitors in circuit-breakers). Therefore, they may
present scenarios in which ferroresonance occurs. This paper
presents the scenarios that can lead to ferroresonant circuits in
doubly fed induction generator (DFIG) based wind parks.
Alternative energy research and spatial energyMarcus 2012
Ronald Stiffler presents research on circuits using single wire excitation similar to Tesla's work. Early experiments with a simple coil driven by a signal generator produced high voltages from the free end of the secondary and powered an LED through a diode bridge, indicating potential as an alternative energy source. More controlled experiments were conducted and LED output was measured at various input frequencies, showing increased power output up to 12MHz. The theory of "Spatial Energy Coherence" is proposed to describe energy recovery in these circuits without violating conservation of energy laws.
This patent describes an atmospheric electrical generator that uses a tethered aircraft, such as a balloon, to harvest static electricity from the atmosphere. A conductive tether line connects the aircraft to a winch on a ground-based unit. Electrical charge builds up on the tether and is transmitted to the ground unit via an electrical conductor. A controller monitors the current and uses the winch to raise or lower the aircraft to maintain a safe and stable level of current flow. It also retracts the tether if lightning is detected nearby to protect the system from damage.
This document describes Peter Grandics' invention of a pyramid-shaped capacitor that can convert electrostatic energy into usable electrical energy. It discusses how wrapping a coil around a pyramid-shaped electrode that is charged with high voltage DC produces an alternating current that can be rectified. The pyramid shape allows for maximal conversion of DC electrostatic energy into an AC current without any moving parts. It also references prior art on electrostatic generators and discusses potential applications of tapping atmospheric electrostatic energy sources using this method.
1) An inductor opposes changes in current through self-induction, generating a counter-EMF when current increases or decreases. This causes the current in an AC inductive circuit to lag 90 degrees behind the voltage.
2) Inductive reactance represents an inductor's opposition to AC current, and increases with frequency and inductance. It can be calculated using XL=2πfL.
3) A purely inductive AC circuit does not consume any power on average, as energy stored in the magnetic field during one half of the cycle is returned during the other half.
The document provides an overview of wind and solar energy systems, including:
1. A syllabus for a course on wind and solar energy systems that covers topics like wind physics, solar resources, and grid integration issues across 15 lectures.
2. Details about different types of wind turbines and their components like foundations, towers, gearboxes, generators, and control systems.
3. The history of wind power development from ancient windmills to modern multi-megawatt turbines, including important milestones and technology advances.
Iaetsd electric power generation using piezoelectric crystalIaetsd Iaetsd
The document discusses using piezoelectric crystals to generate electric power. Piezoelectric materials can convert ambient vibration into electrical power. When mechanical stress is applied, piezoelectric crystals generate electrical potentials that can be harvested as a source of power. The document proposes using piezoelectric generators placed under foot traffic areas or attached to moving objects to capture kinetic energy and convert it into usable electric power through a voltage conversion and regulation process. Experimental results showed piezoelectric generators were able to charge a battery and power small electronic devices.
The International Journal of Engineering and Science (The IJES)theijes
This document presents an analytical technique to determine the optimal impact angle of flowing water on the turbine blades of a small hydro-power station. The power output depends on impact angle, head, and speed of the water. For slow moving water bodies with low head and speed, the impact angle is particularly important. The study investigates how impact angle affects power output to determine the optimal angle for maximum power. Small hydro stations using this technique could generate electricity for small communities from slow streams and lagoons in a sustainable way without large costs or technology. Equations are derived to model the forces and dynamics of water impinging on the turbine blade at various angles to simulate the variation of power with impact angle. The results show peak power occurred
The document describes a solar powered engine system based on unijunction transistors (UJTs). It provides background on solar energy and UJTs. Experiments were conducted to characterize the electrical properties of UJTs and a solar panel. A circuit was designed using a UJT as a trigger, along with other components, to control the solar engine. Testing showed that the output voltage and motor speed of the solar engine circuit increased with higher illumination levels on the solar panel. The system provides a way to convert intermittent solar power into pulses that can run small motors or actuators.
PIEZOELECTRIC GENERATION AND ITS APPLICATIONIbrar Saqib
This document discusses piezoelectricity generation using road power generators. It provides a history of piezoelectric discovery. Piezoelectric materials produce electricity when subjected to pressure, with natural materials like quartz and synthetic materials like lead zirconate titanate most commonly used. A road power generator model is proposed that uses ramps connected to mechanisms to convert vehicle kinetic energy into electricity through a flywheel and generator. Applications of piezoelectricity include floor mats, keyboards, and lighters. Advantages are pollution-free operation while disadvantages include susceptibility to cracking and high temperatures affecting performance.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Modeling of Wind Energy on Isolated AreaIJPEDS-IAES
In this paper, a model of the wind turbine (WT) with permanent magnet generator (PMSG) and its associated controllers is presented. The increase of wind power penetration in power systems has meant that conventional power plants are gradually being replaced by wind farms. In fact, today wind farms are required to actively participate in power system operation in the same way as conventional power plants. In fact, power system operators have revised the grid connection requirements for wind turbines and wind farms and now demand that these installations be able to carry out more or less the same control tasks as conventional power plants. For dynamic power system simulations, the PMSG wind turbine model includes an aerodynamic rotor model, a lumped mass representation of the drive train system and generator model. In this paper we propose a model with an implementation in MATLAB / Simulink, each of the system components off-grid small wind turbines.
Electricity is generated through various methods and distributed for public use. Generation involves transforming other forms of energy like thermal, hydroelectric, or nuclear into electrical power. Thermal power plants burn coal to create steam that spins turbines to generate electricity, while hydroelectric plants use water's potential energy for power. Nuclear plants utilize nuclear fission. Transmission networks use high voltage lines, towers, transformers, cables, and insulators to efficiently transport large amounts of power over long distances, then distribution systems deliver electricity to local areas and customers. Proper generation and distribution are essential for powering modern society.
Similar to Conversion of atmospheric electric energy (20)
Discover the latest insights on Data Driven Maintenance with our comprehensive webinar presentation. Learn about traditional maintenance challenges, the right approach to utilizing data, and the benefits of adopting a Data Driven Maintenance strategy. Explore real-world examples, industry best practices, and innovative solutions like FMECA and the D3M model. This presentation, led by expert Jules Oudmans, is essential for asset owners looking to optimize their maintenance processes and leverage digital technologies for improved efficiency and performance. Download now to stay ahead in the evolving maintenance landscape.
artificial intelligence and data science contents.pptxGauravCar
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Artificial intelligence (AI) | Definitio
Software Engineering and Project Management - Introduction, Modeling Concepts...Prakhyath Rai
Introduction, Modeling Concepts and Class Modeling: What is Object orientation? What is OO development? OO Themes; Evidence for usefulness of OO development; OO modeling history. Modeling
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Electric vehicle and photovoltaic advanced roles in enhancing the financial p...IJECEIAES
Climate change's impact on the planet forced the United Nations and governments to promote green energies and electric transportation. The deployments of photovoltaic (PV) and electric vehicle (EV) systems gained stronger momentum due to their numerous advantages over fossil fuel types. The advantages go beyond sustainability to reach financial support and stability. The work in this paper introduces the hybrid system between PV and EV to support industrial and commercial plants. This paper covers the theoretical framework of the proposed hybrid system including the required equation to complete the cost analysis when PV and EV are present. In addition, the proposed design diagram which sets the priorities and requirements of the system is presented. The proposed approach allows setup to advance their power stability, especially during power outages. The presented information supports researchers and plant owners to complete the necessary analysis while promoting the deployment of clean energy. The result of a case study that represents a dairy milk farmer supports the theoretical works and highlights its advanced benefits to existing plants. The short return on investment of the proposed approach supports the paper's novelty approach for the sustainable electrical system. In addition, the proposed system allows for an isolated power setup without the need for a transmission line which enhances the safety of the electrical network
Optimizing Gradle Builds - Gradle DPE Tour Berlin 2024Sinan KOZAK
Sinan from the Delivery Hero mobile infrastructure engineering team shares a deep dive into performance acceleration with Gradle build cache optimizations. Sinan shares their journey into solving complex build-cache problems that affect Gradle builds. By understanding the challenges and solutions found in our journey, we aim to demonstrate the possibilities for faster builds. The case study reveals how overlapping outputs and cache misconfigurations led to significant increases in build times, especially as the project scaled up with numerous modules using Paparazzi tests. The journey from diagnosing to defeating cache issues offers invaluable lessons on maintaining cache integrity without sacrificing functionality.
An improved modulation technique suitable for a three level flying capacitor ...IJECEIAES
This research paper introduces an innovative modulation technique for controlling a 3-level flying capacitor multilevel inverter (FCMLI), aiming to streamline the modulation process in contrast to conventional methods. The proposed
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pulse, this controlling technique attains energy equilibrium across the coupling
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and a decreased count of voltage references, thereby simplifying the control
algorithm.
Comparative analysis between traditional aquaponics and reconstructed aquapon...bijceesjournal
The aquaponic system of planting is a method that does not require soil usage. It is a method that only needs water, fish, lava rocks (a substitute for soil), and plants. Aquaponic systems are sustainable and environmentally friendly. Its use not only helps to plant in small spaces but also helps reduce artificial chemical use and minimizes excess water use, as aquaponics consumes 90% less water than soil-based gardening. The study applied a descriptive and experimental design to assess and compare conventional and reconstructed aquaponic methods for reproducing tomatoes. The researchers created an observation checklist to determine the significant factors of the study. The study aims to determine the significant difference between traditional aquaponics and reconstructed aquaponics systems propagating tomatoes in terms of height, weight, girth, and number of fruits. The reconstructed aquaponics system’s higher growth yield results in a much more nourished crop than the traditional aquaponics system. It is superior in its number of fruits, height, weight, and girth measurement. Moreover, the reconstructed aquaponics system is proven to eliminate all the hindrances present in the traditional aquaponics system, which are overcrowding of fish, algae growth, pest problems, contaminated water, and dead fish.
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Application ?led ianuaryilla, ‘19421, _s¢ria1,1t6;"4'§7,1'07. 7 i
J'0 allwhom it may concern.- -
Be it known that I, HnRMAisN Pinrmtnv,v
. Esthonian subject,- residing in Hamburg,
"Germany, have; invented certain new ‘and
useful Improvements .1n .the Conversion of
Atmospheric Electric Energy, of which the,
- ~fo1lowin'g is a speci?cation.‘
10
'- or anchored kite balloons ‘made of vfabricsi
"and ?lled with hydrogen, are in theory val- -‘
Methods‘of obtaining atmospheric elec-l'
tricity by means of metallic‘nettings set with
spikes which ' are held .by, means of ‘ordinary
readyknown. _ Atmospheric electricity ob
taincd in this way 'hasbeen suggested to‘be'
used in theform ‘of direct-currentfor-the
‘charging of accumulators. - This knowledge
1 however is' at present only theoretical asthe
' conversion in practice has hitherto been a
120
Y . non-conducting materials which are liableito’,
_ ,be tornandare' permeable to the gas; 1t>1s
30
failure. vNo. means are-known of protecting
the apparatus from'destruction by lightning,
The‘- balloons used ‘for ‘collecting the charge
' must also be made-of veryzlarge size in order
, v' to be able tofsupporttheweight of theme-Y
5 tallic netting and the heavy .jcablei’conn‘ece?
ti'ons. t
Instead 'ofusingheavy metallic netting -
collectors attached‘ to single-air b'alloonsiof
proposed to use metallic balloon collectors
which have ‘the following important advan
tages; - ' ‘ " i ‘ ‘
.4 ' (a) The metallic casesqam impenetrable
-- '35
" - faces.
40
to h'elium‘and hydrogen; the also represent;
collecting surlarge metallic ‘weatherfproo
(1))‘ Radio active-meansandthe likeniay
‘be easily applied internally or externally;
whereby the ionization is considerably 1n-4 '
c'reased and therewithalsothe quantity
. atmospheric 'electricitycapable ofV'be-ing col
lected' 4 . _ ,
(1:) Such balloon Collectors of light-metal
dot not require to be of large size as they
45 have to carry only their own “moderatev
weiglit,_an_d that of. the conductingcable or
wire... IThe entire system therefore o?'érs lit
and is resistant and stable.‘
60" tle- surface for the action-of storm and’ wind 5
I (‘6) Each balloon can'be easily raised and
' loweredby means of a Winch so that all re,
pairsyrechalrging andthe like can becarried
'wtQWithOUt danger vduring] theoperation.“
“scribed with reference to‘
It further proposedto use'a collecting
aerial network of several separate collectors
‘spread out inthe air. above the earth, which
conductors.v -
~According to this'invention charges'of .at-j
l‘mospheric electricity are not directly‘con _ ._
verted into mechanical energy,‘ band, 'this'; ‘ -
forms themain di?’erence from'previjousin ' ‘
ventions, butthestatic electricity whichru
to ‘earth through aerial. conductors~_ ini .
form of. direct ' current of very} high=volt8ge
and'low current strength "is .jconvertedlintq‘__-electr-o-dynamic energy in the formjof-Tfhi'gh
frequency vibrations. "Many advantagesare ' "
. I
toi‘y' circuits it is possible ‘to obtain'elect/ro
‘magjnetic waves of’ various amplitude‘ and‘ g . ~,
"thereby to increasethe degree ofresonance: " y
of such current. . Such ‘resonance ‘allows va- 51°‘ .
thereby obtained and. all,‘ ‘disadvantages,avoided,~ -._l y “ .,Thev very‘high voltage of staticelectricityof. a‘ low ‘current. strength'can' be‘ converted'l I .'
by this invention to‘ Voltagesmoré isuitableir’f
for technical vpurposes and of‘ greater "cur-fv
‘rent strength. _ B'y- the'use ofg-closedoscillas
70
rious' values _- of inductance to be chosen"
whereby‘again ‘the‘governing of the starting Y
and stopping of machines‘ drivenltli-ereby‘lby‘ ' I
simply ' tuning the. resonance between coils
of the machine and thetransformer'circuit
‘forming the resonance’, can. ‘easily be ob-'
85..
tained. Further, " such‘ currents have the. -
property‘ofjbeiiig directly.- available for va
? rious uses; even without employing them for
driving motors, of whichtliere may-be par 90- .
ticularly mentioned, ‘lighting, production of ‘_
heat and use .in electro-cheniistry._ I. _.
Further,iwith,_such currents a‘, seriesofap
paratus may be _§fed without ‘directv current
supply through conductors'and also the
‘ electro-magnetic high >frequency'i‘currents'
may be converted by means of'special motors
adapted for electromagnetic oscillations
-.- into-‘mechanical energy," or finally converted I
by special'macliines into alternating current
of low frequency or ‘even into direct current
ofhigh potential. ' ' ‘ '
160'
. The invention is more_'parti¢;-.ularly de-’ l
the accompanying
diagrams in which , v _ , ~ '_ -'
Figure 1 is'an explanatory. ?gure. "
Figure 2‘ is
105
[i
collectors are; interconnected’ by electrical ‘
a I '
I _‘ jaidiagrammatic view-‘ofthe }. ‘ ‘
simplest form." I ' -
' ~ -
14. 10
15
30
2
Figure 3 shows a method of converting
‘atmospheric electrical energy for use with
motors. ‘ '
Figure 4 is a diagram showing the use of
protective means. , ' .
Figure 5 is’ a diagram of an arrangement
for converting large ‘current strengths.
. Figure 6 is a diagram of an arrangement
including controlling means. '
, Figure 7 ‘shows means whereby the spark
gap length can be adjusted. ’ _
Figure 8 shows a unipolar connection for
the motor. _
Figure 9 shows a weak coupled system
suitable for use with small power motors.
Figures 10, 1.1 and 12 show modi?ed ar
ran ements.- '
Flgure 13 shows a form of inductive cou~'
pling for the‘motor circuit.
Figure 14: is a modi?edform of Figure 13
with inductive coupling.‘ ‘ '
Figure 15 is an arrangement with non
inductive motor.' 7
Figure 16 is an arrangement with, cou
pling by condenser. _ ' I _
Figures 17,- 18 and 19 are diagrams of fur
ther modi?cations. ' _
Figure 20 shows a simple form in which
the aerial network is combined‘ withspecial
collectors. ' I
Figure 21 shows diagrammatically ~an ar
rangement suitable for collecting large
quantities of energy. , .
Figure 22 is a modi?ed arrangement hav
ing two'rings of collectors.
Figure 23 shows the connections vfor three"
rings of collectors. . -
Figure 24 shows a collectingballoon and
diagram of its connection of condenser bat
teries. ‘ ~ _
Figures 25 and 26 show modi?ed collector
balloon arrangements. I _
Figure 27 shows a second method of con
necting conductor for the balloon aerialsp
Figure 28' shows an auto-transformer
method of connection. > . > ‘
Figure 29 shows ‘the simplest form of con
struction withv incandescent-cathode. _
Figure 30 shows a ‘form with cigar shaped
_ balloon.
- Figure 31 is a modi?ed arrangement.
_ Figure 32 shows a form with cathode and
electrode enclosed in a vacuum chamber.
Figure 33 is a modi?ed form of Figure 32.
Figure 34 shows an are light collector.
Figure 35 shows such an arrangement for
' alternating current. ,
60
Figure 36 shows an incandescent collector
with Nernst lamp. _ .1
Figure 37 shows a form with a gas ?ame.
Figure 1 illustrates asimple diagram for
converting static electricity into dynamic
energy 0 a high number of oscillations.
For the sake of clearness in the‘drawings an
in?uence machine is assumed to be employed
1,540,998
and not an aerial antenna. 13-and 14 are
combs for collecting the static electricity or",
the in?uence machine. 7 and 8 are spark
discharging electrodes, 6 and 5 condensers,
9 an inductive primary coil, 10 secondary
coil, 11 and 12 ends of conductors of the sec
7ondary coil 10. When the ‘disc of the static
in?uence machine is rotated by mechanical
means, the combs collect the electric charges
one the positive and the other the negative,
and charge the condensers 5 and 6 until such
ahigh potential is formed across the spark
gap F——8, that the spark gap is jumped. As
the spark gap 7——8 forms a closed circuit
with condensers 6 and'5, and inductive re
sistance 9, as is well known, waves of high
frequenc electromagnetic oscillations will
‘pass in t is circuit. ,
The high frequency. of the oscillations
produced in the primary ‘circuit induces
waves ‘of the same periodicity in the sec
ondary circuit. Thus in the primary cir
cuit electromagnetic oscillations are formed
by the passage of the spark over the spark
gap and these waves .are maintained by fresh
charges of static electricity.
By suitably selecting the ratio between the
number of the coils in the primary and ‘sec
ondary circuits with regard to a correct ap, o I v .
_pl1cat1on ofthe co-e?icients of resonance
.(capacity, inductance, and resistance) the
high voltage of the primary circuit may be
suitably converted into low. voltage and high
current strength. . _
p. When the oscillatory discharges in the pri
mary circuit becomes weaker Or entirely
cease, the condensers are charged again by
the static electricity until ‘the accumulated
charge again breaks down the spark gap..
All this is repeated as long as electricity is
produced by the static machine by employ
ing mechanical energy. '
An elementary form ofqthe invention is
shown in Figure 2 in which two spark gaps
in parallel are used one of which may be
_ termed the working gap 7 in Figure 2. whilst
the second serves as a safety device for ex
cess voltage and consists of a larger number
of spark gaps ' than the working section,
which gaps are arranged in series and are
bridged by very small capacities as is illus
trated in a1, 1),. 0,, Figure 2 which allow of
uniform sparking in the safety section.
In~Figure 2 A is the aerial antennafor
collecting charges of atmospheric electricity.
13 ‘is the earth connection of the second part.
of the spark gap, 5 and ,6 are‘condensers, 9 a
primary coil. Now when through the aerial
_. A the positive atmospheric electricity seeks
to combine with the negative charge to earth,
this is prevented by (the air gap between)
the spark gaps. The resistance of the spark.
gap 7 is, as shown in the drawings, lower
than that of the other safety section which
consists-of three'spark gaps connected in
S0
DU
100
105
110
120
15. ' ‘ 1,540,998; -.
series,'and cdnsequentl , a threetiinesgreater'
> air resistance is offere by ‘the latter. ' '
So long‘ therefore, as the resistance of
‘the spark gap 7 is not overloaded, so .that
the other spark gaps have an equal resist- '
- ance with it vthe discharges take place only?
over spark gap , 7. Should~ however the
- . ,volta e be'vinorease'd by any in?uences so
,that‘ it might .be dangerous for charging
' ' > Without-this secondv spark gap, arranged‘
‘so
the condensers 5 and 6 or for: the coil in?
sulation 9 and 10 in. consequence of break 1
' down,- by a' correct regulation of thisspark
' a ' ap the second spark» gapcan discharge free
' Iron; inductive e?'ects direct to earth with-.
out endangering the machine.
in‘ parallel having. a‘ ,higher resistance than
‘the-working spark gap it is impossible to
collectandrender available large quantities“ . _ _
' » - = I ' r‘ . charges.will~_~for the sake ofsimplicity be
diagrammatically indicated by two semi~
of electrical energy; _ _ l ‘ H,‘ _
v The action ‘of this'closed oscillation c1r_
‘ cuit "consisting “ofsparkp‘gap. 7, two condens
_ers'5 and 6, primary coil 9, and also sec;
. yondar'y. coil ‘10 is exactly the. same as the
one described in Figure‘ 1 with ‘the arrange-5
ment of the static induction machine with
the, only di?'erence that here,’ the second‘
' spark gap is provided. Theelectromagnetic
30
‘high frequency alternating current obtained
can be tapped o?' fronr the conductors'll.
and 12 -_for lighting and .heating. purposes.
Special ‘kinds of motors adapted for work
ing‘ with “ these peculiar‘- electrical charges
ll'fmay be connected at 14: and I? which can
‘high frequency oscillations.
' work with static electricity charges or‘ with
In addition ‘to ,the- use of spark ‘gap-s; ’
i in parallel a second measure of security is
40
‘_ ; invention, in the introduction of and method .
‘- 'of connecting‘ certain protective electro
also necessary for taking off the current.‘
.This precaution consists according to this
magnets or choking coils in the aerial. cir
:45
"50
55
cu'it' as shown by S’ in Figure'3.
A single electremagnet only having a core
of the thinnest possible separate laminations'.
is c'onnectedwith the aeriaL.
In thecase ‘of high voltages in the aerial 1'
network or at places where’there ‘are fre
quent thunder storms, several .such magnets
may however‘ be connectedin series.
'In ‘the case of large units‘or plants sevi
eral electromagnets can be employedlin par- '
_ allel or in‘seriesparallel. ' ‘ '
__Thé‘_ windings of these .electromagnets
maybe simply connected‘ in‘ series‘ with. the
aerials.- In this case the winding-preferably
'- consists of several thin parallel wires, which,
make up together, the necessary'section. ..
_The winding may be _made_ of primary
and secondarywindingsin the. form of a
‘transformer. The primary 'windingwill be
then connected. in series with the aerial net
work, and the secondary winding more’ or‘
.less SllOl‘t-‘CIY‘CU‘ItGCl over a regulating res1st-'
.rectivon' as the direct current.
‘progress is arrested‘ by two "sparks gaps
:ance or an induction ‘coil. In the‘flatterv
caseit'ispossible to regulate to, a certain
the, further. descriptiona ‘of ' the‘ connecting
and constructional-diagrams the aerial elecs
in
extent the ‘effect ,of the chokingcoils; 5111 ‘i _ i
tromagnet choke‘ coil‘ is indicated by a '
simple ring S. _ ' . '
*, Figure 3 shows the simplest way of con- 1
vverting atmospheric electricityinto electro
-_magnetic wave'energy by‘ the use of special .75.‘,
motors adapted for high. oscillatory. c'ur- . j
rents or_‘stati_c charges of electrical energy.
Recentvimprovements ‘in motors ‘for ,work- A‘
'iingi'with static charges and motors Working
by resonance, that is to say, having groups
of tuned electromagnetic cooperating cir
.cuits render- this possiblebutsuch do not
form part of the. present invention.’ 1 -.
. A motor adapted to operatejwith static
circles land 2' and therotorof the motor
by a ring M. (Figure 3.) .A is a vertical
aerial or aerial‘ network». "IS ‘the safetyv
chokenor' electromagnet with‘ coil 0 as ‘may
be seen'iis connected-with the aerialfA. Ad—
80
9.0 '
jacent the electromagnet‘"_S the aerial-con‘- _'
ductor is dlvlded into three, circuits, the
‘.circuit‘» 8 giving the safety spark gap, the
circuit 7. with the working spark gap, and
then a circuit including‘ the stator ‘terminal
.1, the rotor and‘stator terminal 2 at which
a connection is made to the earth wire. The
' two spark gaps. are v also connected metal-'
li'cally with the earth wire. ‘The. method of
' working these diagrams is as follows: '
The positive atmosphericg'electric charge
collected tends to COIIIblIIGLWIth the negative
electricity (or earth electricity) ‘connected
-with the earth wireiv" It travels along the '
aerial _A through‘ vthe electromagnet ' S with
o'utbeing checked as it ?ows i‘n'thesai'ne dij
Further, its
placed‘ in the ‘.way"v and the stator. condenser
surfaces. ‘The stator condenser surfaces are
.. charged until the’ charge is, vgreater than '
the resistance of the spark gap-7, whereupon
a spark springs overthezspark gap)?’ and an "
oscillatorylcharge is obtained as by means"
“of the motor M, stator. surfaces 1 and'2, and
.spark vgap 7, a” closed oscillation circuit'is'
obtained for‘, producingthe electromagnetic
' oscillations. ‘The motor here forms the ca- v
pacity and thene'ce'ss'ary inductance and re
sistance, which, as is well known, are neces‘
sary for converting static electricity into . '
electromagnetic wave energy.» ' l
The discharges ‘formed are "converted into
mechanical energy in special motors and ‘can
not reach the aerial network by reason of
tends t6 ?ow toearth, a counter _voltage is
."the electromagnet orjchoke. If, however;v .
' when a ‘spark springs over the spark gap '7.
a‘ greater quantity of atmospheric electricity - I
130 '
16. induced in the electromagnet, which is
greater the more rapidly and strongly the
?ow of current direct to the earth is. By
I - the formation of this opposing voltage a
10
is.
20
25
su?iciently high resistance is offered to the
?ow of atmospheric electricity direct to
earth to prevent a short circuit with the~
earth. a > ' . . .
The circuit containing spark gap 8 having
a different wave length which vis notin reso—
nance with the natural frcquency of the
motor, does ‘not endanger the motor and
serves as security against excess voltage,
which, as practical experiments have shown, ,
may still arisein certain cases, but can be
conducted direct to earth through this spark
gap- ‘ ,
In the diagram illustrated in Figure 4 the
spark gap 7 is shunted across condensers 5
and 6 from the motor M. This construction
atl'ords mainly a better insulation of the
motor against excess voltage and a uniform
excitation through .the spark gap 7'.
In Figure 5 a diagram is illustrated for
transforming large current strengths which
may be employed direct without motors, for
example, for lighting or heating purposes.
The main difference is that here the spark
gap consists of a star shaped disc 7 which
can rotate on its own axis and is rotated by
a motor opposite similarly ?tted electrodes
. 7“. “Then separate points of stars face one
35
60
another, discharges take place, thus forming
an oscillation circuit over condensers 5 and
6. and inductance 9 for oscillatory discharges.
It is evident that a motor may also be di
rectly connected to the ends of the spiral 9.
Theconstruction of the diagram shown
in Figure 6 permits of the oscillation circuit
of the motor being connected-with an in
duction coil. Here a regulating inductive
resistance is introduced for counter-acting
excess voltages in the motor. By cutting the
separate coils 9v (coupled inductively to the
' 1 aerial) in or out the inductive action on the
motor may be more or less increased or
variable aerial action may be exerted on the
oscillation circuit. ' ‘~ -
In Figure the oscillation circuit is closed
through the earth (E and E1). The spark
gap 7 may be prolonged or shortened by
more or fewer spark gaps being successively
connected by means of a contact arm 7*’.
Diagram 8 shows a unipolar connection of
the motor with the aerial network.‘ Here
two oscillation circuits are closed through
the same motor._ The ?rst oscillation circuit
passes from aerial A through electromagnet
S, point :0, inductance. 9a to the earth con
denser 6 and further, over spark. gap 7 to
the aerial condenser 5 and back to m. The
second oscillation circuit starts from the
aerial condenser 5 at the ‘point :01 over the
inductance 9 to the earth condenser .6 at the
point its and through the condenser 6 over
. 1,540,998
the‘ spark gap 7 back to $1. The motor itself
is inserted between the two points of the
spark gap 7. From this arrangement slight
ly damped oscillation wave currents are pro
duced. . ‘ _
In the diagram illustrated in Figure 9a
loosely coupled system of connections is il
lustrated which is assumed to be for small
motors for measuring purposes. A indi
cates the aerial conductor, S the electromag
net in the aerial conductor, 9 the inductance,
7 the‘ spark gap, 5 and 6 condensers, E the
earth, M the motor, and l and 2 stator con
nections ‘of the motor. The -motor is di
rectly metallicallv connected with the oscil
lation circuit. ‘ V, i‘
In Figure 10a purely inductive coupling
is employed for the motor circuit. The mo
tor is connected with the secondary wire 10
as maybe seen in Figure 11 in a somewhat
modi?ed diagram connection. The same
applies to the diagram of Figure 12.
The diagrams'hitherto described prefer- i
ably. allow of motors of small and'medium
strength to be operated. For large aggre
gates, however, they are too inconvenient as
70
80'
90
the construction of two or more oscillation .
circuits for large amounts of‘ energy is di?i
cult; the governing is still more ditlicult and
the danger in switchingr on or off is greater. - '
i A means of overcoming such difficulties is
shown in Figure, 13. The oscillation circuit
here runsstarting from the point a: over con
‘denser 5, variable inductance 9, spark gap -
7 and the two segments (3’- and 4“) form
ing arms of a VVheatstone bridge, back to :22.
If the motor is connected by brushes 3 and
4 transversely to the two arms of the bridge
lUU
as shown in the drawings, electromagnetic"
oscillations of equal‘ sign are induced in the
stator surfaces 1 and 2 and the motor does
not revolve.
4 are moved inv common with the'eonduct
ing wires 1 and 2 which connect the brushes
with the stator poles a certain alteration or
displacement of the polarity is obtained and
the motor commences .to revolve.
The maximum action will result if one
If however, thelbrushes 3 and‘
110
brush 3 comes on the central sparking con~ 5
tact 7 andajthe other brushfll on the part 00. '
They are however, usually in practice not
brought-on to the central contact 7 but only
held in the path of the bridge segments 4“
and 3’1 in order not to connect the spark gaps
with the motor oscillation circuit.‘ '
As however, the entire oscillation energy
. can thereby not act on the motor it is better
to carry out the same system according to the
diagram 14. The diagram 14: differs from
the foregoing only‘ by the motor not being
directly metallicallv connected with the seg
ments of.the commutator, but only a pri
mary coil 9 which induces in a secondary
coil 10, current which feeds the motor M
and takes the placeof the rotor. By this
120
17. ' “40,998 ‘ .
arrangement a good transforming action is
. obtained, asloose coupling and also an. os_-"
5
cillation circuit without a spark gap. - -
In Figure 15 the motoris not purelyin-f-l
ducti'vely as in lllybutv directly‘ metallii'cally
branched off‘ from the primary‘ ‘coil (at m
and $1) after theprincipleof the auto-trans
formerfy , VIn Figure 16 instead ‘of an inductance a
‘condenser. 6 is in similar manner,"and ‘for’
the same object inserted , between" the._ seg:
ments 3*‘ and 4;“. This has the advanta _
‘that the segments 3“ and 4“ need not; ‘ f ade
of solid metal but may'consist. of spiral coils"
whereby .a more exact regulationlis possible . v p
., surface's'of the motor, 5.'a condenser battery,‘ ‘and further motors of high inductance-may
'be employed.v -, ‘ a
The arrangements vof'i'Figures 1.7, 18 and
19 may be employed for use with resonance‘
‘and particularly with induction condenser
motors; between the largeistator induction
_ condenser surfaces,‘ small reversing pole con
"densers are connected, which, as may be‘ ‘seen
from Figures 17-, 18 and 19 are led together
to ‘earth. Such reversing poles __have_the
advantage that with large quantities I of
electrical energy the spark formationv be‘
tween the separate oscillation circuits ‘ceases.
‘Figure. 19 shows a _,further.method which
prevents electromagnetic oscillations of high
number of alternations formed in the oscil
lation circuit striking. back' to the aerial con-.
ductor. It is based .on the wellknown prin
ciple that a mercury lamp, one‘ electrode of
35 which is formed of mercury, the other of
solid m'etalsuch as steel'allows an electric
cliargeto pass .in only one direction from
the mercury to the steel and not vlce versa,
The‘ mercury electrode‘ of the vacuum tube
40
65
N is therefore connected with the aerial‘
conductor and the steel velectrode with the
oscillation circuit. ‘} From this. it- results that
charges can pass'only from the aerial
through the vacuum tube to the oscillation
circuit, ‘but not vice versa. “Oscillations
iwhi'ch are formed on being transformed in‘
the oscillation circuit cannot‘ pass .to the
aerial conductor. , - v i
In practice these vacuum tubes must be
connected behind an electromagnetas the
latteralone a?'ords ‘no
danger of lightning. _
As regardsthe use of spark gaps, all
arrangements as used for Wireless teleg
raphy may be used.‘ Of course the spark
gapsin large machines‘ must’have. a su?i
cientlyi‘large surface. In very large stations
they are cooled in liquid carbonic‘a-cid or
bettcrstill in liquid nitrogen or hydrogen;
in most cases the cooling may also take
, place by means of lique?ed low homologues
of .the’metal series or by means of hydro
carbons the freezing point'of which lies at
between ~90° C. and ~40° C‘. The spark
gap casing must also be insulated and be of
protection against the
, the operation
,walls.‘ . ‘ -
- nectiongrun. '
sheaths preferably _
‘magnesium alloy, and'are ?lled with hydro
' geno‘r‘helium' and are attached'to copper
“plated ‘steel wires.
‘is ‘selected; so that the actual weight ofthe
K
'suilicient strength to'beiable ‘any...
pressure which may arise; Any undesirable
excess super~pressure which may be formed
must be automatically’ let off.v I‘ have‘e'm- " ‘
ployed with very good‘results mercury elec;
acid,‘ the cooling being maintained during
. Figure 20 isoiieQ‘f-the simplest farms or
' copstructionl ,of ‘anaerial network in com“-v
.x-sh‘inati'on with collectors, transformers and
the like illustrated‘diagrammatically. ' E is.
70
"trodes which were frozen. in liquidearbonic '
from/‘the outside-through the i
here ‘the earth ‘wire,’8'the-‘safety'sparkagap, -
7_ the working spark ‘gap, land 2 .the stator
Sthe protective magnet which is connected
with the coil in- the aerial conductor, A1- to?
A1". aerial. antennaejwith collecting balloons, ‘ I i
. N horizontal collecting or connecting wires
from which, to the centre a number’ of con
The'fjactual collectors consist ‘ of , metal
The size of theballoon ‘
balloon "and-the weight of the conducting‘
vwire is supported thereby. On the .top of
the balloon aluminium spikes, made and
gilded‘in a special manner hereinafter ,de-. I ' I
scribed, are arranged in order to produce-a
conductor- aClllOIl.‘
80
as".
made of an aluminium. "
90
95.
_ _ v ‘ Small quantities‘ of‘
radium preparations,“ more particularly f100
polonium-ionium or mesothorium' ;prepara-' -,
tions "considerably increase the ‘ionization,
and therewith the action of these ‘collectors.
loons which are super?cially metalcoat‘ed"
according to :Schoop’s metal spraying proc-‘
ess, may however also be employed; A'
‘ ?'- In addition to~ metal balloons,‘ fabric bal-f .» 4
105
metallic surface‘may also be produced vby f
lacquering with ‘metallic bronzes, preferably
'accordingto Schoop’s spraying process or
lacqu'ering with metallic bronze powders in > _ _'
two electrical series‘ of widely different
metals, because therebythe collecting effect
is considerably increase . _- _ I ' ,
Instead of :the ordinary round balloons,
elongated?cigar shaped ones may be em
> ployed.v 1 In order also to utilize the fric
tional energy of ‘the wind,“ patches or strips
of non~conducting ‘substances which pro
duce electricity by friction, may be attached
to the metallized balloon surfaces._' The
wind will impart a portion of its‘energy in
the form .of frictional electricity, toithe
balloon casing, and thereby the collecting
effect is substantially increased. ’
' In practice however, very high towers’
(up to ‘300 metres is fully admissible) may
be employed as antennae. In these towers
110,
115
120
125
copper tubes rise freely further above the‘.
top of the tower. A gas lamp secured
18. against the wind is then lit at the point of
the copper tube and a- netting is secured to
p the copper tube over the ?ame of this lamp
20
IOc1
30
,nected with a horizontal, conductor.
to form a collector. The gas is conveyed
through the interior of the tube up to the
summit. The copper tube must be abso
lutely protected from moisture at the place
at which'it enters the tower and also rain
must be prevented running down the walls
of the tower which might lead to a bad
catastrophe. This is done by bell shaped en
largements which expand downwards, being
arranged in'the tower in the form of high
voltage insulators of Siamese pagodas.
Special attention must be devoted to the
foundations of such towers. They must be
well insulated from the ground, which may
be obtained by ?rst embedding a layer of
concrete in a box form to a sufficient depth
in the ground and inserting in this an
asphalt lining and then glass bricks cast
about 1 or 2 metres in thickness. Over this
in turn there is a ferro-concrete layer in
which alone the metal foot of ‘the tube is
secured. This concrete block must be at
least 2 metres from the ground and be fully
protected at ‘the sides by a wooden covering,
from moisture. In the lower part of the
tower a wood or glass house for the large
condenser batteries or for the motors mayr
be constructed. Iniorder to lead the earth
connection to the ground water, a well in
sulated pit constructed of vitreous bricks,
must be provided. Several such towers are
erected at equal distances apart and con
The
‘ horizontal connecting wires may either run
'40
directly from tower to tower or be carried
on bell shaped insulators similar to those in
use for high voltage conductors. .The width
of the network may be of any suitable size'
and the connection of the motors can take
place at any suitable places.
In order to collect large quantities of‘
electricity with few aerials it is .well to pro
vide the aerial conductor with batteries of
condensers as shown in two methods of con?
struction in Figures 21 and 22. In Figure
2l-the batteries of condensers 5 are con
nected on the one hand with the aerial elec-v
tricity collectors Z by the aerial conductor
‘ A, and on the other hand interconnected in
60
series with an annular conductor from
which horizontal conductors run to the con
necting points C to which the earth wire is
connected. I .
Figure 22 shows a similar arrangement.
Should two such series of antennae rings be
shown by a voltmeter to have a large dif
ference of potential (for example, one in the
‘ mountains and one inthe plain) or even of
different polarity these differences may be
compensated for by connecting sufficiently
large condenser batteries (5, 5“, 5") by means
of Maji star- conductors D and D1. In Fig
me 23 a connection of three suclri'ings of
collectors to form a triangle with alcentral
condenser battery is illustrated. ‘
The condenser batteries of such large in
stallations must be embedded in lique?ed
gases or in liquids freezing at very low
temperatures.
the atmospheric energy must be employed
for liquefying these gases. It is alsoprefer
ablelto employ pressure. By this means the
condenser surfaces may be diminished, and
still allow for large quantities of energy to
be stored, secure against breakdown. For
smaller installations the immersing of the
condensers in well insulated oil or the like,
su?ices. Solid substances on the other hand
cannot be employed as insulators.
The arrangement in the diagrams hitherto
described was always such that the con
denser'batteries were connected with both
poles directly to the aerial'conductors. An
In such cases a portion of .
80
improved diagram of the connections for v
obtaining ‘atmospheric electricity for the
condenser batteries has however, been found
to be very advantageous, this arrangement
consists in that they are connected by only
one pole (unipolar) to the collecting_net
work. Such a method of arrangement is
very important, as by means of it a constant
current and an increase of the normal work
ing pressure or voltage is obtained. If for
example a collecting balloon aerial which is
allowed to rise toa height of 300 metres,
shows 40,000 volts above earth voltage, in
‘practice it has been found that the working
voltage (with a withdrawal of the power
according to the method hereinbefore de-_
scribed by means of oscillating spark gaps
and the " like) is only about 400 volts. If
however, the capacity of the condenser sur
faces be increased, which capacity in the
above mentioned case was equal to that of
the collecting surface of the balloon aerials,
to double the amount, by connecting the
condenser batteries with only one pole, the
voltage rises under an equal withdrawal of
current up toy and beyond 500 volts. This
can only be ascribed to the favourable action
of the connecting method.
In addition to this substantial improve
ment it has also been found preferable to
insert double inductances with electromag
nets and to place the capacities preferably
between two such electromagncts. It has
also been found that the useful action of
such condensers can be further increased if
an induction coil be‘ connected as inductive
resistance‘ to the unconnected pole of the
condenser, or still better if the condenser
itself be made as an induction condenser.
Such a'condenser may be compared with a
spring which when compressed carries in
itself accumulated force, which it again
gives off when released. In charging, a
charge with reversed sign is formed at Hw
90
95
inc
19. ‘14)
to
' 1
other free condenser pole, and if'thro‘ugh the '
spark 'gap a short circuit. results, 1the ' accu
mulated energy is again given back since '
now new‘ quantities of energy-are induced
at the'condenser pole'oonnected with the
conductor network, which in fact charges
with opposite ‘signs to that at the'free "con
denser pole.‘ The new. induced charges have
of course the same sign asthe collectornet
,work. .The whole voltage energy in the
aerial is thereby however increased.” In the "
same space of time. larger quantities of;
energy are accumulated ‘than is the case
without such inserted condenser batteriesf "
_'In.Figures 251 and 25 two_di?erent dia-r
grams‘ of connections-'are more exactly illuse;
‘and the diagram of- the ccnnections‘to earth‘.
Figure 25 four collecting balloons-and ‘the,
parallel connection‘ of a. the condenser'baty
teriesbelohging thereto. ~ -.
A is ‘the collecting balloon’ inadeiof an‘
aluminium magnesium alloy (electron metal,
' inagnalium) of a speci?c gravity of 1.8‘and
a- thickness'of plate 0.1 to 0.2 mm. Inside
there are. eight strong ‘vertical ribs of T
shaped section about‘ 10 to 20min, in height
and'about 3‘mm’.iinfthickness withj-j'the pro.
jecting part directed‘inwa'rds (indicated by
a, 7), '0, d and so forth): they are riveted to"
géther to form a firm skeleton and are stiff-V“;
ened in‘ a horizontal direction» byptwo cross
ribs. Thejribs are ~further'connected with
"i one another intern'allyand transversclyhby
. external surface is obtained.
means of thin steel Wires, whereby the balé. .
'loon ohtainsgreat power of resistance and
‘elasticity. ‘ Rolled plates 010.1‘ to 0.2 mm. in- thickness made of magnaliurnp alloy are then‘
either solderedfor rivetedoh this skeleton
so th'at‘a fully metallic casingwith smooth
Vell silvered
.o'r ‘copper-‘ed aluminium plated steel wires'run
from each rib to the fastening ring 2. @Frir
ther. the c’oppered steelhawser L preferably
twisted out of, separate'thinwires .(shown in
- dotted linesin ‘Figure’ 24) and 'which riust
' ~ belong enough to allow theiballoon to rise
in the desired height, leadsptoa metal-roller
on pulley 3 and from‘ thenceto a winch W, I
"l . well insulated from the ‘earth. . By means of
this winch, the balloon, wh'ichis ?lled with "
hydrogen, or ‘helium, can be allowed to rise
to a suitable height (,300to' 5,000 metres)
vand brought to the ground ‘for rechargii'ig"
or repairs. > ' H . .
The actual current is taken- directly
through a friction contact from the metal
roller '3 or from the wire, or even from the '
' much or simultaneously .from all three by
means of brushes (3, 5a and 3b). vBeyond
the brushes the ‘conductor isv divided, the
paths being :——'firstly'over 12 to the safety
spark gap 8, from thence to th'e'earth con
ductor E1, and secondly over elettromagnet
S1, point 13, to a second loose electromagnet
; , 1,540,998
havingianladjustable coil S2, then to the‘
spark gap 7 and to‘ the, second earth con
ductor E2; “The actual working-circuit is..
formed throughthe spark gap I7, condensers" I
5 and '6, and through the primarv coil 9;
here the static electricity lformed'iby oscil-
latory discharges: is accu‘niulatedand con- .
reried into high frequency electromagnetic‘ - I I _ . .
OSCIlla-tIOIIS.‘ Between the electromagnets S1 <
‘and S2 ‘at the crossing point 13, four con-'
denser batteries are introduced which» are
only indicated diagrammatically .in the
*drawin'gscach by one condenser, Two of
f-these batteries. (16 and 18) are made as plate
condensers and ‘prolonged by reigulatii'igxin
hduction coils?or s'pirals'l? and 19 while‘ the
‘trated, Figure 24 shows; a collecting balloon‘ 't'woothers (2-1 and‘23) are induction con
Y?(lense_rs._ As may'be seen from thedrawings
each of the‘four condenser batteries 16, l8,w
.1215" ‘a
‘aerial-{or to; the vcollector conduct-or. ‘ The
Jisv connected‘only byone poleto the
70
second-poles ,17, 19, 22, ‘2-1 are open. In, the. 1,‘
case of‘plate'condensers haying'noin‘ductive
resistance an induction coil is lnserted; _-'l‘hc
Kobject of-s'uch a spiral or coil is the displace
periods, whilst‘ the charging current of the
condenser‘ poles ‘which lie free in the, air,’
.vworks back,toilthe‘collectorv aerial. The con
sequence of this'isthat-in discharges in the .
collector aerialitheiback inductive action of
their-cc polesallowsa higher voltage to be
_ maintained in the aerial collecting c'on- -
,ductor thanwould'otherwise be the case’. It
has also been, foundthat such a back action
wear of the contacts.
v9,0‘
mentof phaseof the induction‘ currentby 1,4
has an extremely, favourable effect, on the
Of course the .induc- ‘
j tiveetfect may be regulated at will within
95
the limits of the ‘size ofthe induction coil,
the length of the coil in action- being ad- ' 105
‘ju'stable by meanso-f wire connection 'with- > '
‘out induction (see Fig.‘ 24, No. 20)". '
S1 andiS2 mayialso be provided with such
regulating 'devic‘esfin‘the case of S2 (illus
‘v-trated by 11)} v'Ir‘jfemess tvoltage be formed
it is conducted to’earth through the wire 12
and spark'gapv 8 or-through any other suit
able apparatus, since this formation would
be dangerous for the other ‘apparatus. _ '
The action of these condenser batteries has
already been hereinbefore described. _
The small circles'on the collector balloon
indicate places at which zinc amalgamv or
110’
gold amalgam-or other photoelectric‘ acting ‘
metals in the form of small patches in €X-_ ‘
tremely thin layers (.01 to .05 min, in
thickness) are applied to-the balloon’ casing
of light rnetal. ‘Such metallic patches may '
also ‘be applied to the entire balloon aswell
as in greater thickness to the conducting
network. The capacity of the collector is
thereby .co/nsiderably ' strengthened at the
surface. The greatest possible eliect in col
lectingv may be obtained by‘polonium amals
gains and the like. ,On the surface of the 130
20. la in
8
collectorballoon metal points or spikes are,
also fixed along the ribs, which spikes serve
particularly for collecting the collector
charge. Since it is well known that the re
sistance of‘ the spikes isless the sharper the
spike is, for this purpose it is therefore ex
tremely important to .employ as sharp
spikes as possible. Experiments made .as
regards. these hayeshown that the forma
tion of the body of the spike or point also
plays a large part. for example, spikesmade
of bars or rollers with smooth surfaces,
have a many times greater point resistance
as collector accumulator spikes than those
with rough surfaces. Various kinds of
spike bodies have, been experimented with
for the collector balloons hereinbefore men
tioned. The best results were given by
spikes which were made in the following
way. Fine points made of steel, copper,
nickel, or copper and nickel alloys, were fas
tened together in bundles and then placed
as anode with the points in a suitable elec
trolyte (preferably in hydrochloric acid or
muriate'of iron solutions) and so treated
with weak current at 2 to 3 voltspressure.‘
After 2 to 3 hours according to the thick
ness of the‘spikes orpins the points become
extremely sharp and the bodies of the spikes
have a rough surface. The bundle can then
be removed and the acid washed off with
water. The spikes are thenv placed as
cathode in a bath consisting of solution of
gold, platinum, iridium, paladiumcr wolf
ram salts or their compounds and coated
at the cathode galvanically‘ with a. thin layer
' of precious metal, which‘ must however be
4 O
60
65
sufficiently firm to protect. them from at
mospheric oxidation. _
Such spikes act at a 20 fold lower voltage
almost as well as the bestand ?nest points
made by mechanical means. Stillbetter re—
sults are obtained if‘ polonium or radium
salts are added to the galvanic bath when'
forming the protective layer or coating.
Such pins have a low resistance at their
points and even at one Volt. and still lower’
pressures have an excellent collector action.
In Figure 24 the three unconnected poles
are not connected with‘one another in par-_
That 15 quite possible ID'PI‘JCUCO'allel.
without altering the principle of the free
pole: It is also preferable to interconnect
in parallel to a common collector network,
a series of collecting aerials.
Figure 25 shows a diagram for such an
installation. A1. A2, A3, A;4 are fourmctal
collector balloons with -gold ,or platinum
coated spikes which are electrolytically
made in‘ the presence of polonium emana
tions or radium salts, which spikes or nec
dlcs are connected over four electro-magnets
S1, S2, S3, i. 4. through an annular conductor
R. From this annular conductor four wires
run over four further electromagnets S“,
1,540,998
S", U9, S“, to the connecting point 13. There
vthe conductor is divided, one. branch passing
over 12 and the safety spark gap 8 to the
earth at E1, the other over inductive resist
ance J and workingr spark gap 7 to the earth
at E2. The working circuit, consisting of
the condenser 5 and (3 and a resonance
motor or a condenser motor M, such as here
inbefore described, is connected in prox
imity' round the sparking gap section 7.
Instead of directly connecting the con
denser motor of course the primary circuit
for high frequency oscillatory current'may
also be inserted. _ . <
The condenser batteries are connected by
one pole to the annular conductor R and can
be either inductionless (16 and 18) or made
as induction condensers as shown by 21
and 23. The free poles of the inductionless
condensers are indicated by 17 and 19, those
of the induction condensers by 22 and 24.
As may be seen from the drawings all these '
poles 17. 22. 19, Qt‘may be interconnected
.in parallel through. a, second annular con
ductor without any fear that thereby the
principle of the free pole connection will be
injured. ,
already set forth the parallel connection
also allows of an equalization of the work-_
ing pressure in the entire collector network.
Suitably constructed and calculated induc~
tion coils 25 and 26 may also be inserted in
the annular conductor of the free poles, by
means of which a circuit may be formed
in the secondary coils 27 and 28 which al
lows current produced in this annular con
ductor by ?uctuations of the charges or the
‘like appearances to be measured or other
wise utilized.
According to what has been hereinbefore
stated separate collector balloons may be
connected at equidistant stations distributed
over the entire country, either connected di
rectly with one another metallically or by
‘means of intermediate suitably connected
condenser batteries through vhigh voltage
conductors insulated from earth._ The
static electricity is converted through a
spark gap into dynamic energy of :fhigh
nuinber of'oscillations and may in such form
be coupled as a source of energy by means
of a‘suitable methodof connecting, various
precautions being observed and with spc‘
cial regulations. The wires leading from
.the collector balloons have hitherto been
connected through an annular conductor
without this endless connection, which can
be regarded as an endless induction coil, be
ing able to exert any action on the whole
conductor system.
. It has now been found that if the network
conductor connecting the aerial collector bal
lloons with one another is not made as a
simpleannular conductor, but preferably
short circuited 1n the form of coils ‘over a
In addition to the advantages.
80
100
110
115