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M. Kowsalya
School of Electrical Engineering, VIT University
Earth & Planetary Sciences Environmental Science Materials Science & Nanotechnology Mathematics Physics

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Design of Converters for PV System Under Partial Shading Conditions M. Kowsalya; K. Balsubramanyam
International Journal of Advances in Applied Sciences Vol 6, No 2: June 2017
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (962.607 KB) | DOI: 10.11591/ijaas.v6.i2.pp77-88

Abstract

This paper presents a maximum power generation with the interconnection of photovoltaic modules under partially shaded and/or mismatching conditions. The partial shading condition reduces power level of each module. The reduction in power due to the partial shading will be compensated by the bidirectional converter. The proposed system consisting of two and three PV modules connected in series under partial shading conditions which are capable of increasing the power levels up to 50% compared to conventional by-pass diode structure. In general ‘n’ number of modules connected in series so that the maximum power gain will be expected to (100/n) %. This is achieved by developing the new control strategy in which the correct adjustment of converter duty ratio under partially shading conditions. The novel control scheme is developed by using analysis of the power converters. The proposed scheme was verified in MATLAB/SIMULINK.
Co-Authors K. Balsubramanyam