International Journal of Engineering Research in Electrical and Electronic Engineering(IJEREEE)

Monthly Journal for Electrical and Electronic Engineering

International Journal of Engineering Research in Electrical and Electronic Engineering

Volume4 ,September 2017.

Volume4,September 2017,

Topic : Modeling and Stability Analysis of a New Transformer less Buck-Boost Converter for Solar Energy Application

Authors:V.Lalitha || V.Venkata Krishna Reddy

Abstract:A study and configuration of a new transformerless buck-boost converter is proposed in this work. The normal buckboost converter has simple configuration and high efficiency. The disadvantage of the normal converter is restricted voltage gain, negative output voltage, floating power switch, discontinuous output and input currents. For eliminating the disadvantages of the normal converter, a new transformer less buck-boost converter is proposed. The proposed new transformer less buck-boost converter consists of two switches, two capacitors, two inductors and one resistor load in the circuit. The two power switches of the proposed converter operate simultaneously. The proposed buck-boost converter gives the voltage gain is squared or quadratic times of normal converter which makes it suitable for solar energy applications. In continuous conduction mode, a voltage gain, operating principles, small-signal model and voltage stress are described for the proposed converter. To improve the stability of a system, a PI controller is used in the proposed converter. The structure of the proposed buck-boost converter circuit is simulated in MATLAB/ SIMULINK.

Keywords: High voltage gain, Transformerless buck-boost converter, Small signal model, Voltage stress.

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DOI: 01.1617/vol4/iss9/pid54312


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Editor-in-Chief

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Editor-in-Chief
Dr.Krzysztof Chwastek
Associate Professor,
Czestochowa University of Technology, Polland.


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IMPACT FACTOR: 3.784

ISSN(Online): 2395-2717

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Thomson Reuters ID : q-6288-2016.
ORCiD Research ID : 0000-0001-9540-6799

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Journal Code : IJEREEE
Electronic ISSN : 2395-2717
Impact Factor : 3.784
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