AC GENERATOR
•Download as PPTX, PDF•
0 likes•268 views
Electricity can be generated from various sources like thermal power stations and hydro power stations. Thermal power stations generate electricity through heat energy from fuels like coal while hydro power stations use the kinetic energy of flowing water to generate electricity. The document discusses the definition, sources, principle, components, and working of how electricity is generated from different sources.
Report
Share
Report
Share
Recommended
Transformers an introduction
Power transformers are used to change high voltage electricity transported over power lines to lower voltages suitable for consumer use. They have no moving parts and work using magnetic induction between two coils of wire wound around an iron core, which induces a current in the secondary coil from the primary coil. This allows transformers to either step up or step down voltages as needed.
Transformer Construction And Principle | Electronical Engineering
Construction of Transformer includes two inductive winding and laminated steel core; coils of transformer are coated with insulation to be insulated from each other and the steel core. Copy the link given below and paste it in new browser window to get more information on Transformer Construction And Principle:- http://www.transtutors.com/homework-help/electrical-engineering/transformer/transformer-construction-and-principle.aspx
F. Magnetron Deconstruction and Antenna Adaptation
1) The document discusses deconstructing magnetrons from microwave ovens to use their resonant cavities and tap wires as antennas for experimentation.
2) Connecting the tap wire to an SMA connector was difficult due to material incompatibilities between the copper cavity and stainless steel panel mount.
3) Simulating the magnetron output in EM Pro software proved too complex, so plane wave simulations were used instead. Reducing the magnetron's 900-1000W output power was also explored through circuit designs.
Electron Beam Machining
Electron beam machining (EBM) involves directing a high-velocity beam of electrons in a vacuum chamber to melt or vaporize material from a workpiece. The electron beam is generated in a gun and focused onto a small spot on the workpiece using magnetic coils. This localized heating allows for precise material removal with minimal heat effects. EBM can machine nearly any material and produces close tolerances, but requires expensive equipment and vacuum systems. Common applications include machining wire drawing dies and manufacturing semiconductor and optical components.
Ashutosh kumar
This document provides an overview of the Tesla coil, including its history, components, and applications. It describes how Nikola Tesla invented the coil in the late 19th century with the goal of wireless power transmission. The key components of a Tesla coil are explained as the primary coil, secondary coil, top load, and capacitor. Applications include generating high voltage for experiments and potentially transmitting power wirelessly. In conclusion, the document discusses how the Tesla coil can be used to study high voltage phenomena and potentially transmit electrical power without wires over short distances.
electromagnetic field as cutting tool
The document discusses electromagnetic pulse technology (EMPT) as a cutting tool. EMPT uses powerful electromagnetic pulses generated by charging and discharging capacitors through a coil to cut materials. It can cut steel 7 times faster than lasers without leaving burrs. The cutting process involves generating a strong electromagnetic field that hits the steel with 3,500 bars of pressure, expelling the material. EMPT shows potential for cutting complex hollow profiles in high-strength steels for automotive body parts faster and with lower energy costs than traditional cutting methods. While offering advantages like no heat or added fluids, high cutting pressures are required.
Wings automobile products pvt
comapny wigsnhcskd kjnvkjasiuv kjnkjsnhu mncskhiuc kncsdkn lk;kjisdcjzm ljiosjvc mmlijaiuhsc jnakjhc alkcnoiacj lkjaicsjlkzmc jkgoywetf8ja akjfhqaikcsna kjhfuiwuuapbh
Electrical transformer working and construction
Working and construction of single phase transformer is explained in this presentation. specially for small power and power frequency transformers.
Recommended
Transformers an introduction
Power transformers are used to change high voltage electricity transported over power lines to lower voltages suitable for consumer use. They have no moving parts and work using magnetic induction between two coils of wire wound around an iron core, which induces a current in the secondary coil from the primary coil. This allows transformers to either step up or step down voltages as needed.
Transformer Construction And Principle | Electronical Engineering
Construction of Transformer includes two inductive winding and laminated steel core; coils of transformer are coated with insulation to be insulated from each other and the steel core. Copy the link given below and paste it in new browser window to get more information on Transformer Construction And Principle:- http://www.transtutors.com/homework-help/electrical-engineering/transformer/transformer-construction-and-principle.aspx
F. Magnetron Deconstruction and Antenna Adaptation
1) The document discusses deconstructing magnetrons from microwave ovens to use their resonant cavities and tap wires as antennas for experimentation.
2) Connecting the tap wire to an SMA connector was difficult due to material incompatibilities between the copper cavity and stainless steel panel mount.
3) Simulating the magnetron output in EM Pro software proved too complex, so plane wave simulations were used instead. Reducing the magnetron's 900-1000W output power was also explored through circuit designs.
Electron Beam Machining
Electron beam machining (EBM) involves directing a high-velocity beam of electrons in a vacuum chamber to melt or vaporize material from a workpiece. The electron beam is generated in a gun and focused onto a small spot on the workpiece using magnetic coils. This localized heating allows for precise material removal with minimal heat effects. EBM can machine nearly any material and produces close tolerances, but requires expensive equipment and vacuum systems. Common applications include machining wire drawing dies and manufacturing semiconductor and optical components.
Ashutosh kumar
This document provides an overview of the Tesla coil, including its history, components, and applications. It describes how Nikola Tesla invented the coil in the late 19th century with the goal of wireless power transmission. The key components of a Tesla coil are explained as the primary coil, secondary coil, top load, and capacitor. Applications include generating high voltage for experiments and potentially transmitting power wirelessly. In conclusion, the document discusses how the Tesla coil can be used to study high voltage phenomena and potentially transmit electrical power without wires over short distances.
electromagnetic field as cutting tool
The document discusses electromagnetic pulse technology (EMPT) as a cutting tool. EMPT uses powerful electromagnetic pulses generated by charging and discharging capacitors through a coil to cut materials. It can cut steel 7 times faster than lasers without leaving burrs. The cutting process involves generating a strong electromagnetic field that hits the steel with 3,500 bars of pressure, expelling the material. EMPT shows potential for cutting complex hollow profiles in high-strength steels for automotive body parts faster and with lower energy costs than traditional cutting methods. While offering advantages like no heat or added fluids, high cutting pressures are required.
Wings automobile products pvt
comapny wigsnhcskd kjnvkjasiuv kjnkjsnhu mncskhiuc kncsdkn lk;kjisdcjzm ljiosjvc mmlijaiuhsc jnakjhc alkcnoiacj lkjaicsjlkzmc jkgoywetf8ja akjfhqaikcsna kjhfuiwuuapbh
Electrical transformer working and construction
Working and construction of single phase transformer is explained in this presentation. specially for small power and power frequency transformers.
Ground or earthing is word for safety of equpments and human let apply properly
Latest Update about Earthing and protection for safety of Equipment and human Lives Grid Design
Power Grid/CEA/NRPC/RECPDCL/RECTCL/NHPC/NTPC/State and Central Power Generation,Distribution Companies,Metro Rail/High Speed Rail/DFCC/RVNL/IRCON/RITES/Railtel/Electrical EPC/Electrical Contractors/Electrical Consultants /Solar EPC/MNRE/SECI Railway Board
ppt on the Transformer
This document provides an overview of a training seminar on transformers presented for partial fulfillment of a Bachelor of Technology degree. It discusses the basic principles and components of transformer operation, including mutual induction, core types, windings, and losses. Key points covered include how transformers transfer power between circuits via changing magnetic fields without altering frequency, and how the turns ratio determines the voltage ratio between primary and secondary coils. The document also describes transformer construction, testing procedures, and the core building process used in transformer manufacturing.
Household wiring
The document discusses household wiring and electrical safety. It describes the different types of wiring systems used in homes like tree and ring systems. It explains single phase and three phase power supply and the appropriate voltages used. Safety aspects like proper wire sizing and fuse ratings are covered. Guidelines for home wiring as per ISI specifications are provided such as total circuit load, switchboard heights and allowing no wiring above ceilings. Proper grounding is emphasized to prevent electric shocks.
Transformer
Transformers are electrical devices that use electromagnetic induction to convert alternating current (AC) voltages between circuits. They consist of two coils - a primary coil that receives input power and a secondary coil that outputs power. In between the coils is a ferromagnetic core that provides a controlled path for the magnetic flux. Transformers work by using mutual inductance - an alternating current in the primary coil induces a voltage in the secondary coil. The voltage can be stepped up or down depending on the transformer design. Transformers are classified based on their construction, purpose, type of supply, cooling method, and use. They are widely used to change voltage levels for transmission, distribution, and industrial applications.
Electro discharge machining
This document provides an overview of electro discharge machining (EDM). It discusses the working principle of EDM, which involves using electric sparks to erode metal to the desired shape. The key components of EDM are described, including the power generator, dielectric fluid, electrode tool, and fixture. Characteristics of EDM like its ability to machine hard materials regardless of strength are summarized. Advantages include machining complex shapes and tight tolerances, while disadvantages include slow removal rates and electrode wear. Applications of EDM mentioned are drilling micro-holes, cutting threads, and machining hardened alloys.
3.3.2 transformers
Transformers are electrical devices that convert alternating current from one voltage to another by using two coils of wire wrapped around an iron core. Transformers that step up voltage increase it, while transformers that step down voltage decrease it. They work by generating a changing magnetic field in the primary coil using AC power, which induces a voltage in the secondary coil. The ratio of turns between the two coils determines the ratio of voltages out and in. While efficient, transformers have some energy losses through eddy currents in the core and resistance in the windings. They are widely used to adjust voltages for transmission on power grids and in devices.
Ideal transformer
- The document discusses the ideal transformer model and equations for calculating induced voltages. It assumes zero leakage flux, windings with no resistance, an infinitely permeable core with negligible magnetizing current, and a lossless core with no hysteresis or eddy currents.
- Equations shown for the induced voltages E1 and E2 in the primary and secondary windings respectively, with E1/N1 = E2/N2 = 4.44fφm, where f is the frequency, N1 and N2 are the number of turns, and φm is the maximum magnetic flux in the core.
- The derivation considers the average and RMS rates of change of the sinusoidally varying flux to determine
Ultra sonic machining
USM is used to machine hard and brittle materials through high frequency vibration of an abrasive tool. It works by oscillating an abrasive tool that corresponds to the desired workpiece shape at 20-40 kHz in an abrasive slurry. This drives abrasive grains against the workpiece to remove small particles, machining the material without generating significant heat. Key factors that control the material removal rate include the vibration amplitude and frequency, feed force, abrasive properties, and workpiece material strength. USM can precisely machine non-conductive materials without heat or mechanical stresses and is used for complex holes, surfaces, and dies.
Electrical machine design (III-EEE)
The document outlines the aims, objectives, and units of an electrical machine design course. The aims are to obtain complete dimensions of machine parts to provide to manufacturers, with goals of lower cost, weight, and size while achieving better performance. The objectives are to familiarize students with electrical materials properties, magnetic and electric fields laws, circuit laws, electromagnetic induction laws, magnetic circuits calculations, and machine construction and behavior. The 5 units cover introduction, DC machine design, transformer design, induction motor design, and synchronous machine design.
Electrical Heating 03-03
The document discusses different types of induction furnaces, including direct core type, vertical core type (Ajax-Wyatt), and coreless type furnaces. It explains their basic constructions and operating principles. The vertical core type furnace (Ajax-Wyatt) aims to eliminate the limitations of direct core type furnaces by using a V-shaped design that helps prevent discontinuity in the secondary circuit. Coreless furnaces have no iron core and use high frequency supply to induce eddy currents directly in the charge for heating.
Transformer Designing
The document provides information on transformer design specifications and considerations. It discusses technical specifications for a 500KVA, 3 phase transformer including input/output voltages and power ratings. It also covers initial calculations, losses in transformers, core materials and construction, winding design, insulation, cooling methods, and connection configurations. The goal is to design a transformer that efficiently transfers power while meeting specifications for voltage, current, temperature rise and other factors.
Transformer basics
The Basics of electronics can be studied also through the link http://bit.ly/2PPv0mv
A transformer is a passive electrical device that transfers electrical energy from one electrical circuit to one or more circuits.
Electro Discharge Machining (EDM)
Electro Discharge Machining
Introduction
Process
Process Parameters
Dielectric
Advantages of EDM
APPLICATIONS
Power generator
Wire EDM
ELECTRIC DISCHARGE GRINDING (EDG)
transformer
The document discusses the working principle and construction of transformers. It explains that a transformer transfers electric power from one circuit to another through electromagnetic induction between two coils, without changing frequency. The construction details core and shell types, with laminated cores and windings to reduce eddy currents. An ideal transformer is also described, with zero resistance windings, infinite core permeability and no losses.
Transformer introduction
A transformer consists of two coils wound around an iron core. Changing current in the primary coil induces a changing magnetic field that induces an alternating voltage in the secondary coil. This allows a transformer to change AC electric power to a different voltage level through electromagnetic induction without changing frequency. The transformer transfers power between circuits by mutual induction of the two coils linked by the core.
Superconducting materials
This document discusses superconducting materials and their properties and applications. It defines superconductivity as the phenomenon where materials lose electrical resistance when cooled below a critical temperature. There are two main types of superconductors - low TC and high TC. Properties of superconductors include zero electrical resistance below the critical temperature, exclusion of interior magnetic fields (Meissner effect), and destruction of superconductivity by strong magnetic fields or stress. Applications of superconductors include efficient power transmission, switching devices, sensitive instruments, data storage, and magnetic levitation trains that can reach very high speeds without friction.
Electron sources
This document discusses different types of electron sources used in electron microscopy. It begins with a brief history of the electron microscope and then describes three main electron sources: thermionic emission sources like tungsten filaments and lanthanum hexaboride, field emission sources using tungsten needles, and Schottky emission sources which combine heat and field emission. Each source type is explained in terms of its operating mechanism, advantages, and disadvantages. Thermionic sources rely on heat to overcome the work function, field emission sources use a strong electric field, and Schottky sources utilize both heat and electric field. Field emission sources provide benefits such as low operating temperature, high brightness, and small source size but require ultra-high
Working of magneto_ignition_system
Here You Can get best Notes of WORKING OF MAGNETO IGNITION SYSTEM
If you have any questions or Doubt , you can contact me
Contact- technologyscienceand285@gmail.com
Basics of Poly phase transformer _ppt
This document provides an overview of transformers, including their working principle, construction, types, and auxiliary components. Transformers transfer electrical power from one circuit to another by mutual induction between primary and secondary windings. They can step up or step down voltage and are essential for transmitting power from generation to customers. Transformers are classified based on their duty, construction, voltage output, application, cooling method, and input supply. Key auxiliary components include tanks to hold insulating oil, conservators to manage oil levels, breathers to prevent moisture ingress, and Buchholz relays to detect and respond to faults.
Enhancing Induction Heating Processes by Applying Magnetic Flux Controllers
http://fluxtrol.com
Advantages of Induction Heating
Magnetic Flux Control in Induction Coils
Computer Simulation Case Study
Materials for Magnetic Flux Control
Examples of Power InductorsTM
Ac generator
The document provides an acknowledgement and thanks for those who supported the completion of a physics project. It thanks God, the principal, physics teacher, parents, and classmates for their guidance and support. The acknowledgement indicates the project was completed successfully with their help.
Alternating current generator
An alternating current generator consists of a rectangular coil that spins within a magnetic field, inducing an electromotive force (EMF) that varies with the cosine of the angle between the coil and magnetic field. Power station alternators have three coil sets spaced 120 degrees apart, each producing an alternating EMF 120 degrees out of phase with the others. The electromagnet at the center spins rather than the coils. A back EMF is induced in a spinning electric motor coil as the flux linkage through it changes, opposing the applied voltage and wasting power through circuit resistance.
More Related Content
What's hot
Ground or earthing is word for safety of equpments and human let apply properly
Latest Update about Earthing and protection for safety of Equipment and human Lives Grid Design
Power Grid/CEA/NRPC/RECPDCL/RECTCL/NHPC/NTPC/State and Central Power Generation,Distribution Companies,Metro Rail/High Speed Rail/DFCC/RVNL/IRCON/RITES/Railtel/Electrical EPC/Electrical Contractors/Electrical Consultants /Solar EPC/MNRE/SECI Railway Board
ppt on the Transformer
This document provides an overview of a training seminar on transformers presented for partial fulfillment of a Bachelor of Technology degree. It discusses the basic principles and components of transformer operation, including mutual induction, core types, windings, and losses. Key points covered include how transformers transfer power between circuits via changing magnetic fields without altering frequency, and how the turns ratio determines the voltage ratio between primary and secondary coils. The document also describes transformer construction, testing procedures, and the core building process used in transformer manufacturing.
Household wiring
The document discusses household wiring and electrical safety. It describes the different types of wiring systems used in homes like tree and ring systems. It explains single phase and three phase power supply and the appropriate voltages used. Safety aspects like proper wire sizing and fuse ratings are covered. Guidelines for home wiring as per ISI specifications are provided such as total circuit load, switchboard heights and allowing no wiring above ceilings. Proper grounding is emphasized to prevent electric shocks.
Transformer
Transformers are electrical devices that use electromagnetic induction to convert alternating current (AC) voltages between circuits. They consist of two coils - a primary coil that receives input power and a secondary coil that outputs power. In between the coils is a ferromagnetic core that provides a controlled path for the magnetic flux. Transformers work by using mutual inductance - an alternating current in the primary coil induces a voltage in the secondary coil. The voltage can be stepped up or down depending on the transformer design. Transformers are classified based on their construction, purpose, type of supply, cooling method, and use. They are widely used to change voltage levels for transmission, distribution, and industrial applications.
Electro discharge machining
This document provides an overview of electro discharge machining (EDM). It discusses the working principle of EDM, which involves using electric sparks to erode metal to the desired shape. The key components of EDM are described, including the power generator, dielectric fluid, electrode tool, and fixture. Characteristics of EDM like its ability to machine hard materials regardless of strength are summarized. Advantages include machining complex shapes and tight tolerances, while disadvantages include slow removal rates and electrode wear. Applications of EDM mentioned are drilling micro-holes, cutting threads, and machining hardened alloys.
3.3.2 transformers
Transformers are electrical devices that convert alternating current from one voltage to another by using two coils of wire wrapped around an iron core. Transformers that step up voltage increase it, while transformers that step down voltage decrease it. They work by generating a changing magnetic field in the primary coil using AC power, which induces a voltage in the secondary coil. The ratio of turns between the two coils determines the ratio of voltages out and in. While efficient, transformers have some energy losses through eddy currents in the core and resistance in the windings. They are widely used to adjust voltages for transmission on power grids and in devices.
Ideal transformer
- The document discusses the ideal transformer model and equations for calculating induced voltages. It assumes zero leakage flux, windings with no resistance, an infinitely permeable core with negligible magnetizing current, and a lossless core with no hysteresis or eddy currents.
- Equations shown for the induced voltages E1 and E2 in the primary and secondary windings respectively, with E1/N1 = E2/N2 = 4.44fφm, where f is the frequency, N1 and N2 are the number of turns, and φm is the maximum magnetic flux in the core.
- The derivation considers the average and RMS rates of change of the sinusoidally varying flux to determine
Ultra sonic machining
USM is used to machine hard and brittle materials through high frequency vibration of an abrasive tool. It works by oscillating an abrasive tool that corresponds to the desired workpiece shape at 20-40 kHz in an abrasive slurry. This drives abrasive grains against the workpiece to remove small particles, machining the material without generating significant heat. Key factors that control the material removal rate include the vibration amplitude and frequency, feed force, abrasive properties, and workpiece material strength. USM can precisely machine non-conductive materials without heat or mechanical stresses and is used for complex holes, surfaces, and dies.
Electrical machine design (III-EEE)
The document outlines the aims, objectives, and units of an electrical machine design course. The aims are to obtain complete dimensions of machine parts to provide to manufacturers, with goals of lower cost, weight, and size while achieving better performance. The objectives are to familiarize students with electrical materials properties, magnetic and electric fields laws, circuit laws, electromagnetic induction laws, magnetic circuits calculations, and machine construction and behavior. The 5 units cover introduction, DC machine design, transformer design, induction motor design, and synchronous machine design.
Electrical Heating 03-03
The document discusses different types of induction furnaces, including direct core type, vertical core type (Ajax-Wyatt), and coreless type furnaces. It explains their basic constructions and operating principles. The vertical core type furnace (Ajax-Wyatt) aims to eliminate the limitations of direct core type furnaces by using a V-shaped design that helps prevent discontinuity in the secondary circuit. Coreless furnaces have no iron core and use high frequency supply to induce eddy currents directly in the charge for heating.
Transformer Designing
The document provides information on transformer design specifications and considerations. It discusses technical specifications for a 500KVA, 3 phase transformer including input/output voltages and power ratings. It also covers initial calculations, losses in transformers, core materials and construction, winding design, insulation, cooling methods, and connection configurations. The goal is to design a transformer that efficiently transfers power while meeting specifications for voltage, current, temperature rise and other factors.
Transformer basics
The Basics of electronics can be studied also through the link http://bit.ly/2PPv0mv
A transformer is a passive electrical device that transfers electrical energy from one electrical circuit to one or more circuits.
Electro Discharge Machining (EDM)
Electro Discharge Machining
Introduction
Process
Process Parameters
Dielectric
Advantages of EDM
APPLICATIONS
Power generator
Wire EDM
ELECTRIC DISCHARGE GRINDING (EDG)
transformer
The document discusses the working principle and construction of transformers. It explains that a transformer transfers electric power from one circuit to another through electromagnetic induction between two coils, without changing frequency. The construction details core and shell types, with laminated cores and windings to reduce eddy currents. An ideal transformer is also described, with zero resistance windings, infinite core permeability and no losses.
Transformer introduction
A transformer consists of two coils wound around an iron core. Changing current in the primary coil induces a changing magnetic field that induces an alternating voltage in the secondary coil. This allows a transformer to change AC electric power to a different voltage level through electromagnetic induction without changing frequency. The transformer transfers power between circuits by mutual induction of the two coils linked by the core.
Superconducting materials
This document discusses superconducting materials and their properties and applications. It defines superconductivity as the phenomenon where materials lose electrical resistance when cooled below a critical temperature. There are two main types of superconductors - low TC and high TC. Properties of superconductors include zero electrical resistance below the critical temperature, exclusion of interior magnetic fields (Meissner effect), and destruction of superconductivity by strong magnetic fields or stress. Applications of superconductors include efficient power transmission, switching devices, sensitive instruments, data storage, and magnetic levitation trains that can reach very high speeds without friction.
Electron sources
This document discusses different types of electron sources used in electron microscopy. It begins with a brief history of the electron microscope and then describes three main electron sources: thermionic emission sources like tungsten filaments and lanthanum hexaboride, field emission sources using tungsten needles, and Schottky emission sources which combine heat and field emission. Each source type is explained in terms of its operating mechanism, advantages, and disadvantages. Thermionic sources rely on heat to overcome the work function, field emission sources use a strong electric field, and Schottky sources utilize both heat and electric field. Field emission sources provide benefits such as low operating temperature, high brightness, and small source size but require ultra-high
Working of magneto_ignition_system
Here You Can get best Notes of WORKING OF MAGNETO IGNITION SYSTEM
If you have any questions or Doubt , you can contact me
Contact- technologyscienceand285@gmail.com
Basics of Poly phase transformer _ppt
This document provides an overview of transformers, including their working principle, construction, types, and auxiliary components. Transformers transfer electrical power from one circuit to another by mutual induction between primary and secondary windings. They can step up or step down voltage and are essential for transmitting power from generation to customers. Transformers are classified based on their duty, construction, voltage output, application, cooling method, and input supply. Key auxiliary components include tanks to hold insulating oil, conservators to manage oil levels, breathers to prevent moisture ingress, and Buchholz relays to detect and respond to faults.
Enhancing Induction Heating Processes by Applying Magnetic Flux Controllers
http://fluxtrol.com
Advantages of Induction Heating
Magnetic Flux Control in Induction Coils
Computer Simulation Case Study
Materials for Magnetic Flux Control
Examples of Power InductorsTM
What's hot (20)
Ground or earthing is word for safety of equpments and human let apply properly
Ground or earthing is word for safety of equpments and human let apply properly
Enhancing Induction Heating Processes by Applying Magnetic Flux Controllers
Enhancing Induction Heating Processes by Applying Magnetic Flux Controllers
Viewers also liked
Ac generator
The document provides an acknowledgement and thanks for those who supported the completion of a physics project. It thanks God, the principal, physics teacher, parents, and classmates for their guidance and support. The acknowledgement indicates the project was completed successfully with their help.
Alternating current generator
An alternating current generator consists of a rectangular coil that spins within a magnetic field, inducing an electromotive force (EMF) that varies with the cosine of the angle between the coil and magnetic field. Power station alternators have three coil sets spaced 120 degrees apart, each producing an alternating EMF 120 degrees out of phase with the others. The electromagnet at the center spins rather than the coils. A back EMF is induced in a spinning electric motor coil as the flux linkage through it changes, opposing the applied voltage and wasting power through circuit resistance.
Sources of drinking water on earth.
The document discusses the various sources of drinking water on Earth. It identifies surface water sources like streams, rivers, lakes, ponds, and rain water, as well as groundwater sources such as wells, springs, infiltration galleries, and impounded reservoirs. Less than 3% of the planet's water is available as fresh water for human consumption. While Earth has abundant water resources overall, we need to conserve our valuable fresh water supplies for drinking.
Electric generator
Generators convert mechanical energy into electrical energy. They operate using electromagnetic induction to produce electric currents. Modern generators mostly produce alternating current and are driven by steam turbines or gas turbines in large power stations. Generators provide nearly all the power for electric grids and come in various types including dynamos, alternators, and specialized generators like homopolar or linear electric generators. They have many applications from powering vehicles to backup power sources.
Ven de graaff generator 745
As the belt passes in front of the lower comb, it receives negative charge that escapes from its points due to the influence of the electric field around the lower pulley, that ionizes the air at the points. As the belt touches the upper roller (3), it transfers some electrons, leaving the roller with a negative charge (if it is insulated from the terminal), which added to the negative charge in the belt generates enough electric field to ionize the air at the points of the upper comb. Electrons then leak from the belt to the upper comb and to the terminal, leaving the belt positively charged as it returns down and the terminal negatively charged. The sphere shields the upper roller and comb from the electric field generated by charges that accumulate at the outer surface of it, causing the discharge and change of polarity of the belt at the upper roller to occur practically as if the terminal were grounded. As the belt continues to move, a constant charging current travels via the belt, and the sphere continues to accumulate negative charge until the rate that charge is being lost (through leakage and corona discharges) equals the charging current...............The larger the sphere and the farther it is from ground, the higher will be its final potential.
2/08 Presentation on Biodiesel and Yokayo Biofuels
An introduction to biodiesel, the typical manufacturing process, the process used by Yokayo Biofuels, and the state of the movement and industry.
Photoelectric effect
- The document discusses the photoelectric effect where ultraviolet (UV) light causes a zinc plate to emit electrons called photoelectrons.
- It describes several experiments where changing the intensity and frequency of the UV light impacts the number and kinetic energy of the emitted photoelectrons.
- Key concepts explained include the work function, which is the minimum energy needed to remove an electron from a metal, and how it differs for different metals. The threshold frequency is the minimum frequency needed to cause photoemission for a given metal.
Vande graaff generator
This document discusses static electricity. It explains that static electricity is caused by an imbalance of electrons between two objects, often caused by friction that removes electrons from one object and concentrates them in another. It provides examples like combing hair, which leaves the comb charged from transferred electrons. The document also describes a static electricity generator that uses a rubber belt and metal spheres to separate charges and generate a static charge. Finally, it notes that static buildup can cause sparks as charged objects discharge to nearby metal or the environment.
Generators
generators, generator types, generator function, generator instillation, working principle of generator starter circuit, relationship between KW,KVA and KVAR auto voltage regulation (AVR), speed monitoring circuit.
Bio diesel(1.4.05)
This document discusses bio-diesel as an alternative fuel. It begins by defining bio-diesel as a diesel substitute produced from renewable sources like vegetable oils or animal fats. It then highlights the relevance for India by noting the country's large diesel consumption and import dependence. The preparation method and properties of bio-diesel are also summarized. The document advocates for jatropha as a sustainable oil source that can grow in wastelands. It outlines initiatives in India to promote large-scale jatropha cultivation and bio-diesel production. Testing shows bio-diesel blends can run locomotives with minimal impact on performance or emissions.
A. c. generator by sujay class 12th
Sujay Kumar Lal, a class 12 student at Central Academy Senior Secondary School, completed a physics project on AC generators under the guidance of his teacher Mr. D.P. Srivastava. The project describes the components, working principle, losses, and efficiency of AC generators. It explains that an AC generator converts mechanical energy to electrical energy using the principle of electromagnetic induction by rotating a coil within a magnetic field. Key components include the field, armature, rotor, stator, and slip rings. Losses occur due to internal resistance, hysteresis in the iron cores, and mechanical factors like bearing friction. Efficiency is the ratio of output to input power.
Van de graaff generator - class 12 investigatory project
The Van de Graaff generator uses a moving belt to accumulate a very high electrical potential on a hollow metal sphere, producing voltages as high as 5 megavolts. It was invented in 1929 by Robert Van de Graaff and uses electrostatic induction to continually charge a hollow conductor. Applications include demonstrating electric fields and particle acceleration for nuclear physics experiments, though modern uses are largely limited to academic demonstrations due to other acceleration methods being developed. It works by corona discharge from sharp points on a moving belt transferring charge to a spherical conductor, with the process repeating to continually build up voltage on the sphere.
2nd term physics project
This document discusses radioactivity and its discovery by Henri Becquerel in 1896. It describes some of the major contributors to the field, including the Curies and Rutherford. It provides details on the types of radiation emitted by radioactive elements (alpha, beta, gamma) and the different types of radioactivity (natural and artificial). It also discusses various applications of radioactivity in areas like medicine, dating, tracers, sterilization, and more. The document is written by Cookey-Gam Tamuno-OpuBo as part of a physics class assignment on the topic of radioactivity.
Dc motors and its types
The document discusses DC motors. It begins with an introduction to DC motors, noting they convert electrical to mechanical energy. It then covers the principles, construction, types, and applications of DC motors. The principles section explains how DC motors work using electromagnetism and the Lorentz force. Construction includes field and armature windings. There are three main types - shunt, series, and compound motors - which vary in how their field windings are connected. Applications include uses for different motor types like fans, tools, and mills.
Electric motor and generator
The document discusses the principles, construction, working and types of both electric generators and motors. It explains that a generator converts mechanical energy to electrical energy using electromagnetic induction. A motor operates on the principle that a current-carrying conductor in a magnetic field experiences a force, converting electrical energy to motion. Common uses of generators and motors include power generation, vehicles, appliances, industrial machinery, and more.
Generators
The document discusses different types of generators and their history and uses. It provides background on generators, explaining that they convert mechanical energy to electrical energy using electromagnetic induction. It then covers the key stages in the evolution of generators from early electrostatic generators to modern alternators. Finally, it describes the main types of generators in use today, including standby, portable, and commercial generators, which are commonly powered by engines using fuels like gasoline.
dc Generator Ppt
1) DC generators convert mechanical energy to electrical energy through Faraday's law of electromagnetic induction. When a conductor moves through a magnetic field, an EMF is induced in the conductor.
2) The main components of a DC generator are the yoke, field electromagnets, armature, commutator, and brushes. The armature is wound with coils and rotates within the magnetic field produced by the field electromagnets to generate an EMF.
3) As the armature rotates, the commutator and brushes are used to periodically reverse the direction of current in the external circuit, thereby producing direct current. Losses in the generator arise from copper, iron, and mechanical components
Dc motor
1. A DC motor runs on direct current electricity. It has a field winding that produces a magnetic field when energized, and an armature winding that rotates when placed in this magnetic field.
2. The key parts of a DC motor include the yoke, poles, field winding, armature core, armature winding, commutator, and brushes. The field winding produces flux, and the rotation of the armature winding within this flux induces voltage that is used to power the load.
3. DC motors can be shunt wound, series wound, or compound wound depending on how the field and armature windings are connected. Shunt and series motors have different torque-speed characteristics due
A.C GENERATOR
A simple AC generator consists of a rectangular coil that rotates between the poles of a magnet. As the coil rotates, it cuts the magnetic field lines, inducing a current in the coil. The induced current reverses direction each half rotation as the sides of the coil swap positions relative to the magnet poles. Slip rings connected to the coil ends allow the alternating current to be tapped out through carbon brushes to a load.
12th CBSE Physics Project AC Generator
The document is a physics project report submitted by Ashwin Francis of class 12A. It thanks various people for their support and guidance in completing the project, including the principal, physics teacher, parents, and classmates. It then outlines the sections of the project report, which include an introduction, theory, apparatus used, construction, working, uses of AC generators, efficiency, and bibliography.
Viewers also liked (20)
2/08 Presentation on Biodiesel and Yokayo Biofuels
2/08 Presentation on Biodiesel and Yokayo Biofuels
Van de graaff generator - class 12 investigatory project
Van de graaff generator - class 12 investigatory project
Recently uploaded
Advanced Java[Extra Concepts, Not Difficult].docx
This is part 2 of my Java Learning Journey. This contains Hashing, ArrayList, LinkedList, Date and Time Classes, Calendar Class and more.
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective UpskillingExcellence Foundation for South Sudan
Strategies for Effective Upskilling is a presentation by Chinwendu Peace in a Your Skill Boost Masterclass organisation by the Excellence Foundation for South Sudan on 08th and 09th June 2024 from 1 PM to 3 PM on each day.The History of Stoke Newington Street Names
Presented at the Stoke Newington Literary Festival on 9th June 2024
www.StokeNewingtonHistory.com
How to Create a More Engaging and Human Online Learning Experience
How to Create a More Engaging and Human Online Learning Experience Wahiba Chair Training & Consulting
Wahiba Chair's Talk at the 2024 Learning Ideas Conference. What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Aberdeen
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering
Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
Buildings: Selection of site for Buildings, Layout of Building Plan, Types of buildings, Plinth area, carpet area, floor space index, Introduction to building byelaws, concept of sun light & ventilation. Components of Buildings & their functions, Basic concept of R.C.C., Introduction to types of foundation
Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
Gender and Mental Health - Counselling and Family Therapy Applications and In...
A proprietary approach developed by bringing together the best of learning theories from Psychology, design principles from the world of visualization, and pedagogical methods from over a decade of training experience, that enables you to: Learn better, faster!
Constructing Your Course Container for Effective Communication
Communicating effectively and consistently with students can help them feel at ease during their learning experience and provide the instructor with a communication trail to track the course's progress. This workshop will take you through constructing an engaging course container to facilitate effective communication.
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...Nguyen Thanh Tu Collection
https://app.box.com/s/qhtvq32h4ybf9t49ku85x0n3xl4jhr15বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশের অর্থনৈতিক সমীক্ষা ২০২৪ [Bangladesh Economic Review 2024 Bangla.pdf] কম্পিউটার , ট্যাব ও স্মার্ট ফোন ভার্সন সহ সম্পূর্ণ বাংলা ই-বুক বা pdf বই " সুচিপত্র ...বুকমার্ক মেনু 🔖 ও হাইপার লিংক মেনু 📝👆 যুক্ত ..
আমাদের সবার জন্য খুব খুব গুরুত্বপূর্ণ একটি বই ..বিসিএস, ব্যাংক, ইউনিভার্সিটি ভর্তি ও যে কোন প্রতিযোগিতা মূলক পরীক্ষার জন্য এর খুব ইম্পরট্যান্ট একটি বিষয় ...তাছাড়া বাংলাদেশের সাম্প্রতিক যে কোন ডাটা বা তথ্য এই বইতে পাবেন ...
তাই একজন নাগরিক হিসাবে এই তথ্য গুলো আপনার জানা প্রয়োজন ...।
বিসিএস ও ব্যাংক এর লিখিত পরীক্ষা ...+এছাড়া মাধ্যমিক ও উচ্চমাধ্যমিকের স্টুডেন্টদের জন্য অনেক কাজে আসবে ...
How to deliver Powerpoint Presentations.pptx
"How to make and deliver dynamic presentations by making it more interactive to captivate your audience attention"
How to Make a Field Mandatory in Odoo 17
In Odoo, making a field required can be done through both Python code and XML views. When you set the required attribute to True in Python code, it makes the field required across all views where it's used. Conversely, when you set the required attribute in XML views, it makes the field required only in the context of that particular view.
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
This Dissertation explores the particular circumstances of Mirzapur, a region located in the
core of India. Mirzapur, with its varied terrains and abundant biodiversity, offers an optimal
environment for investigating the changes in vegetation cover dynamics. Our study utilizes
advanced technologies such as GIS (Geographic Information Systems) and Remote sensing to
analyze the transformations that have taken place over the course of a decade.
The complex relationship between human activities and the environment has been the focus
of extensive research and worry. As the global community grapples with swift urbanization,
population expansion, and economic progress, the effects on natural ecosystems are becoming
more evident. A crucial element of this impact is the alteration of vegetation cover, which plays a
significant role in maintaining the ecological equilibrium of our planet.Land serves as the foundation for all human activities and provides the necessary materials for
these activities. As the most crucial natural resource, its utilization by humans results in different
'Land uses,' which are determined by both human activities and the physical characteristics of the
land.
The utilization of land is impacted by human needs and environmental factors. In countries
like India, rapid population growth and the emphasis on extensive resource exploitation can lead
to significant land degradation, adversely affecting the region's land cover.
Therefore, human intervention has significantly influenced land use patterns over many
centuries, evolving its structure over time and space. In the present era, these changes have
accelerated due to factors such as agriculture and urbanization. Information regarding land use and
cover is essential for various planning and management tasks related to the Earth's surface,
providing crucial environmental data for scientific, resource management, policy purposes, and
diverse human activities.
Accurate understanding of land use and cover is imperative for the development planning
of any area. Consequently, a wide range of professionals, including earth system scientists, land
and water managers, and urban planners, are interested in obtaining data on land use and cover
changes, conversion trends, and other related patterns. The spatial dimensions of land use and
cover support policymakers and scientists in making well-informed decisions, as alterations in
these patterns indicate shifts in economic and social conditions. Monitoring such changes with the
help of Advanced technologies like Remote Sensing and Geographic Information Systems is
crucial for coordinated efforts across different administrative levels. Advanced technologies like
Remote Sensing and Geographic Information Systems
9
Changes in vegetation cover refer to variations in the distribution, composition, and overall
structure of plant communities across different temporal and spatial scales. These changes can
occur natural.
Recently uploaded (20)
B. Ed Syllabus for babasaheb ambedkar education university.pdf
B. Ed Syllabus for babasaheb ambedkar education university.pdf
Your Skill Boost Masterclass: Strategies for Effective Upskilling
Your Skill Boost Masterclass: Strategies for Effective Upskilling
How to Create a More Engaging and Human Online Learning Experience
How to Create a More Engaging and Human Online Learning Experience
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
What is Digital Literacy? A guest blog from Andy McLaughlin, University of Ab...
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Gender and Mental Health - Counselling and Family Therapy Applications and In...
Gender and Mental Health - Counselling and Family Therapy Applications and In...
Film vocab for eal 3 students: Australia the movie
Film vocab for eal 3 students: Australia the movie
Constructing Your Course Container for Effective Communication
Constructing Your Course Container for Effective Communication
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...
BÀI TẬP DẠY THÊM TIẾNG ANH LỚP 7 CẢ NĂM FRIENDS PLUS SÁCH CHÂN TRỜI SÁNG TẠO ...
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
বাংলাদেশ অর্থনৈতিক সমীক্ষা (Economic Review) ২০২৪ UJS App.pdf
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
LAND USE LAND COVER AND NDVI OF MIRZAPUR DISTRICT, UP
AC GENERATOR
- 1. SALMAN NOOR SECTION E CLASS #146
- 3. Contents • Definition • Sources (From which elec energy is obtained) • Principle • Components • Working
- 5. •We can obtain electrical energy by thermal power stations , hydro power stations etc