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Asian Journal of Research in Social Sciences and Humanities
Year : 2017, Volume : 7, Issue : 3
First page : ( 1087) Last page : ( 1100)
Online ISSN : 2249-7315.
Article DOI : 10.5958/2249-7315.2017.00230.1

Low Cost and High Efficiency Buck-Boost Converter for Photovoltaic Applications

Rajamani M. P. E.*, Subburaj P.**, Iruthayarajan M. Willjuice**, Venkatasamy B.***

*Assistant Professor, Department of Electrical and Electronics Engineering, National Engineering College, Kovilpatti, Tamilnadu, India. mpe.rajamani@gmail.com

**Professor, Department of Electrical and Electronics Engineering, National Engineering College, Kovilpatti, Tamilnadu, India

***Assistant Professor, Department of Electrical and Electronics Engineering, National Engineering College, Kovilpatti, Tamilnadu, India

Online published on 23 March, 2017.

Abstract

This paper presents low cost and effective implementation of non-inverting buck-boost converter for photovoltaic system. An improved switching scheme is introduced for attaining high efficiency during buck, boost and buck-boost mode. The investigation of system structure for various output current and supply voltage is performed by PSIM software and experimental method. The supply voltage of non-inverting synchronous buck-boost converter range from 9.4 – 16V with its load voltage set to 12V. It can provide the load current up to 1.5A and its maximum efficiency is 92%.

The simulation and experimental results are shown to validate the excellent performance and operation of the proposed system.

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Keywords

Buck-Boost converter, PWM, PID Controller.

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