Comparative Analysis of PWM Control Techniques for Photovoltaic UPS Inverter

Publish Year: 1387
نوع سند: مقاله کنفرانسی
زبان: English
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FEENC01_147

تاریخ نمایه سازی: 25 خرداد 1387

Abstract:

Pulse Width Modulation (PWM) techniques has been researched for three decades but there are no explicit guidelines on how one can choose the desired technique for particular application especially in power processing devices. Thus choosing a particular PWM technique for Photovoltaic UPS application remains a challenging task since UPS operate under varying load conditions. All the techniques appear to give superior performance as well as short-comings when it comes to control of Photovoltaic UPS inverter. This paper presents analytical and simulated results that demonstrate the equivalence between Sinusoidal PWM and Third harmonic PWM control techniques, and the ir superior performance when considering high conversion factor (C.F.) and Total Harmonic Distortion (THD) for PV UPS application.

Keywords:

Photovoltaic panel , Uninterruptible Power Supply (UPS) , Pulse Width Modulation (PWM) , Sinusoidal Pulse Width Modulation (SPWM) , Harmonic Injection

Authors

T Wanjekeche

Tshwane University of Technology, Department of Electrical Engineering

A. A. Jimoh

Tshwane University of Technology, Department of Electrical Engineering

D.V Nicolae

Tshwane University of Technology, Department of Electrical Engineering

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