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International Journal of Advanced Engineering, Management and Science

A Study of nature of the Photovoltaic modules under the influence of partial shading effect

( Vol-2,Issue-4,April 2016 )

Author(s): B.Kailash Krishna Prasad, S.Ekambaram, D.Vannurappa, S.Md.Mazhar-ul-Haq, S.Masum Basha

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Page No: 072-074
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Maxima Point, Mismatching, Partial shading, Perturbation, Solar irradiation.


The behaviour of the solar photovoltaic array will be rapidly changing under the influence of partial shading phenomenon. When two (or) more photovoltaic modules are embedded in series, then the total output voltage and the net output power obtained from the series connected photovoltaic modules will mainly depends upon the solar insolation which is being projected upon each and every module respectively. Small perturbation in solar irradiation levels will lead to large considerable change in the output parameters. This paper mainly focuses on observing the effect of partial shading on photovoltaic modules which are connected in series. The main objective of this paper is to examine about the mismatching phenomenon that occurs while tracking the global maxima point which plays a vital role in extracting maximum power from solar photovoltaic array in an effective manner.

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