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Analysis on Photovoltaic Assisted Three Phase five level Unipolar PWM Inverter for Induction Motor Driven Water Pumping System

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Author(s): Ajay Kumar Maurya, Kishore Chahar, Y. K. Chauhan

Journal: International Journal of Advanced Computer Research
ISSN 2249-7277

Volume: 3;
Issue: 8;
Start page: 31;
Date: 2013;
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Keywords: Five level inverter | Induction motor drive | Photovoltaic array | Pump load | Unipolar PWM Converter.

ABSTRACT
This paper presents the analysis of a photovoltaicbases three-phase five level voltage source inverter(VSI) supplying induction motor driven waterpump. The VSI uses a unipolar PWM technique forproducing three phase 5 level voltage output andthis output is used to drive three-phase inductionmotor driving a pump load. Multilevel inverters areused for generating AC voltage from several levelsof DC voltages and enhance the performance of thesystem. The proposed system is used to reduce thefiltering requirements and reduce the amplitude ofall harmonics at the output of the inverter. ThePower quality improves by reducing the harmonicslevel. The complete simulation model is simulatedin MATLAB/SIMULINK and validates thetheoretical considerations
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