SOLAR POWERED THREE PHASE MOTOR FOR VARIOUS APPLICATION
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its about use of solar power and the way its been converted from dc to ac as the solar cell produces dc current and use it for various purposes.
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This document compares 1-phase cascaded and multilevel diode clamped leg inverters (MLDCLI) using pulse width modulation (PWM) control methods. It discusses that MLDCLI can significantly reduce switch count compared to cascaded H-bridge inverters as the number of voltage levels increases. The document presents performance analysis of a seven level MLDCLI based on sine and space vector PWM control techniques using MATLAB/SIMULINK simulations. Key performance parameters like waveform pattern, harmonic spectrum, fundamental value, and total harmonic distortion are analyzed.
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Inverter is a device which convert a DC input supply voltage into symmetric AC voltage of desired magnitude and frequency at the output side. It is also know as DC-AC converter.
Ideal and practical inverter have sinusoidal and no-sinusoidal waveforms at output respectively.
If the input dc is a voltage source, the inverter is called a Voltage Source Inverter (VSI). One can similarly think of a Current Source Inverter (CSI), where the input to the circuit is a current source. The VSI circuit has direct control over ‘output (ac) voltage’ whereas the CSI directly controls ‘output (ac) current.
Inverter is a device which convert a DC input supply voltage into symmetric AC voltage of desired magnitude and frequency at the output side. It is also know as DC-AC converter.
Ideal and practical inverter have sinusoidal and no-sinusoidal waveforms at output respectively.
If the input dc is a voltage source, the inverter is called a Voltage Source Inverter (VSI). One can similarly think of a Current Source Inverter (CSI), where the input to the circuit is a current source. The VSI circuit has direct control over ‘output (ac) voltage’ whereas the CSI directly controls ‘output (ac) current.
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The proposed paper is an new approach for power conditioning of a PV
(photo-voltaic) cell array. The main objective is to investigate an approach to
provide and improve the delivered electric energy by means of power
conditioning structures with the use of alternative renewable resources
(ARRs) for remote rural residential or industrial non-linear loads. This
approach employs a series-combined connected boost and buck boost DCDC
converter for power conditioning of the dc voltage provided by a photovoltaic
array. The input voltage to the combined converters is 100 V
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increased to 200 V at the dc output voltage. Series-combined connected
boost and buck-boost DC-DC converters operate alternatively. This helps to
reduce the input ripple current and provide the required 400 Vdc on a
sinusoidal PWM three-phase inverter. Analysis of the two series-combined
DC-DC converters is presented along with simulation results. Simulations of
the series-combined DC-DC converters are presented with an output DC
voltage of 200 V and a maximum output load of Po=600 W.
SEPIC CONVERTER
A Single-ended primary-inductor converter (SEPIC) converter designed for Photovoltaic water pumping system.
Modeling Of Converter “Single Phase to Three Phase by Using Single Phase Sup...
This document discusses modeling a converter to generate three-phase power from a single-phase source. It proposes a model that uses a bridge rectifier to convert the single-phase AC supply to DC, and then a three-arm IGBT inverter to convert the DC back to three-phase AC. The model is simulated in MATLAB Simulink. The simulation results show the transformer primary and secondary voltages and currents, inverter pulses and currents, and the phase currents and voltages generated. The proposed converter model can generate three-phase power for small industries, large buildings, and workshops from a single-phase supply.
Solar Inverter
This document discusses solar inverters. It defines a solar inverter as a device that converts the variable direct current (DC) output of solar panels into alternating 240V current (AC) that can power homes. It then describes the different types of solar inverters including off-grid, micro, grid-tie, and battery backup inverters. Finally, it outlines some of the key advantages of solar inverters such as reducing electricity costs, providing electricity without batteries in some cases, and being more economical than generators.
solar inverter.pptx
This document describes the design of a solar inverter that converts DC power from a solar panel and battery into AC power. The inverter circuit uses a 555 timer IC as an oscillator to provide switching pulses to NPN and PNP transistors. A step-up transformer then converts the switched DC voltage into 110-230V AC power for loads. The circuit was simulated and a prototype was built using common electronic components like resistors, capacitors, diodes, and a transformer. The solar inverter provides an efficient way to power devices using renewable solar energy as its input source.
60015688 ashish-loco-summer (1)
The document is a summer training report submitted by Sunil Kumar detailing his training from June to July 2015 at the Electric Locomotive Shed in Gomoh, Dhanbad. It includes an acknowledgement, contents listing the topics covered, and sections about the company providing an overview of electric locomotive maintenance. Key topics discussed include the operation of electric locomotives, equipment such as the pantograph and traction motors, and the installation process for carbon brushes.
Photovoltaic System with SEPIC Converter Controlled by the Fuzzy Logic
In this work, a fuzzy logic controller is used to control the output voltage of a
photovoltaic system with a DC-DC converter; type Single Ended Primary
Inductor Converter (SEPIC). The system is designed for 210 W solar
photovoltaic (SCHOTT 210) panel and to feed an average demand of 78 W.
This system includes solar panels, SEPIC converter and fuzzy logic
controller. The SEPIC converter provides a constant DC bus voltage and its
duty cycle controlled by the fuzzy logic controller which is needed to
improve PV panel’s utilization efficiency. A fuzzy logic controller (FLC) is
also used to generate the PWM signal for the SEPIC converter.
ae-1.pptx
This document describes a circuit that converts 12V DC to 220V AC. It discusses the principles of inverters and how they are used to convert between AC and DC power. The circuit diagram and components are presented, including transistors, resistors, an LED, transformer, and battery. It explains that the battery supplies power, the transistors switch to convert the DC to AC, and the transformer steps up the voltage from low to high. Applications include powering devices in cars, motors, solar systems, and UPS devices. Limitations include reduced efficiency and potential distortion due to using switching transistors.
Modern electric trends in electric drives
Modern electric drives use traction motors powered by multi-stage converters to provide torque for vehicles like trains and elevators. Traction motors require high starting torque, ability to handle overloads, and withstand voltage fluctuations. Recent trends include multi-stage converters that generate near-sinusoidal voltages using fewer switches at lower frequencies than traditional converters. This improves efficiency and reduces harmonic losses and electromagnetic interference. Modular multi-level converters allow continuous current flow in all switches.
Technical3.ppt
This is to certify that the research entitled ((Performance of sustainable Mortar using Calcined clay, fly ash, Limestone powder and reinforced with hybrid fiber)) have been conducted at our Technical Engineering College and there is No funding resource for this research from our University.
SOLID STATE TRANSFORMER - USING FLYBACK CONVERTER
FUTURISTIC ELECTRICAL ENGINEERING PROJECT.
A Device that can step up as well as step down coltage and get output as both DC or AC. Total flexibility of Power using DC link by Flyback Coverter.
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SOLAR POWERED THREE PHASE MOTOR FOR VARIOUS APPLICATION
- 1. A SEMINAR PRESENTATION ON SOLAR POWERED THREE PHASE MOTOR FOR VARIOUS APPLICATION Submitted to: Submitted by: Mrs. Deepti Arela Romil Garg (10ESKEE100) 1
- 2. CONTENT • Introduction • Basic layout • Solar power • Photovoltaic cell • DC – DC Converter • Inverter • Application • Conclusion 2
- 3. INTRODUCTION • The main aim of the paper is to analyze and design of a converter to integrate three phase electric motor through inverter. 3
- 5. COMPONENTS USED 1) Solar power (photovoltaic cell) 2) DC to DC Convertors 3) Invertors 5
- 7. PHOTOVOLTAIC CELL 7 • Photovoltaic is the direct conversion of light into electricity at the atomic level. • A photovoltaic cell(PV) is a device that converts sun light into direct current through photoelectric effect. • Photovoltaic cells are made of semiconductor devices.
- 8. DC- DC CONVERTOR • DC- DC Convertors used for the purpose to a get a controlled DC output . It converts the uncontrolled DC to controlled DC. • The convertor used is current - fed type:- current –fed push pull convertor. current – fed power convertor. 8
- 9. ADVANTAGES OF CURRENT- FED CONVERTORS • No fast rising current spikes created. • Do not causes magnetic core saturation under erroneous condition. • As SCR based power supply i.e. it is more robust 9
- 10. • Controlled output DC is obtained • No need of filter capacitor at input • This topology can also be derived from boost convertors by inserting a transformer. CURRENT FED POWER CONVERTER 10
- 11. CIRCUIT DIAGRAM OF CURRENT - FED POWER CONVERTER 11
- 12. CURRENT FED PUSH PULL CONVERTOR 12
- 13. INVERTER • Power electronic device which convert DC to AC. • Three phase six pulse inverter used. • A power inverter can be entirely electronic or may be a combination of mechanical effects. • Inversion is done by the help of transistors. 13
- 14. THREE PHASE SIX PULSE INVERTER Three transistors ON at a time 14
- 16. PHASE VOLTAGES FOR 180 CONDUCTION 16
- 18. CONCLUSION The DC power so obtained from solar power photovoltaic cell is fed to CFPP converter and controlled DC so obtained is inverted by three phase six pulse inverter in order to integrate three phase electric motor for various applications. 18