Comparison of Interleaved Boost Converter Configurations for Solar Photovoltaic System Interface

R Ramaprabha, K Balaji, SB Raj, VD Logeshwaran

Abstract


 Solar photovoltaic (SPV) panels that convert light energy into electrical energy through the photovoltaic effect have nonlinear internal resistance. Hence, with the variation in the intensity of light falling on the panel, the internal resistance varies. For effective utilization of the SPV panel, it is necessary to extract the maximum power from it. For maximum power extraction from SPV panels, DC-DC converter interface is used. The problem in using high frequency converter interface is the resultant high frequency ripple interaction with the SPV system. In this work, an interleaved boost converter (IBC) is considered to reduce the ripple. Our finding is that IBC fed by a SPV panel reduces this ripple to a greater extent. IBC also has a faster transient response as compared to conventional boost converters with reduced ripple contents. The main aim of this paper is to present a comparative analysis of the performance of IBC with inductors that are coupled in different ways. The results of the simulation were extrapolated with the help of MATLAB software and verified through experimentation.

 


Keywords


Solar photovoltaic system, Interleaved boost converter, Ripple reduction, Comparison, MATLAB

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References


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DOI: http://dx.doi.org/10.24200/tjer.vol10iss2pp87-98

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Copyright (c) 2017 R Ramaprabha, K Balaji, SB Raj, VD Logeshwaran

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