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A Modified Fuzzy Logic Controller Based Maximum Power Point Tracking under Partial Shading

Ankireddy Narendra*, M. Sai Veerraju**

* PG Scholar, Department of Electrical and Electronics Engineering, SRKR Engineering College, Bhimavaram, A.P., India.

** Professor, Department of Electrical and Electronics Engineering, SRKR Engineering College, Bhimavaram, A.P., India.

Periodicity:February - April'2014
DOI : https://doi.org/10.26634/jic.2.2.2956

Abstract

Under partial shading conditions, multiple peaks are observed in the power-voltage (P-V) characteristics curve of a photovoltaic (PV) array, and conventional maximum power point tracking (MPPT) algorithm may fail to track the global maximum power point (GMPP). In this paper a fuzzy-logic controller for global maximum power point tracking (GMPPT) is proposed to increase the performance during partial shading condition. A mathematical model of the PV system under partial shading conditions is derived. The proposed fuzzy logic based controller is implemented in MATLAB- SIMULINK.

Keywords

Partial Shading, Photovoltaic (PV) System, Boost-Converter, Fuzzy Logic Controller (FLC), Maximum Power Point Tracker(MPPT).

How to Cite this Article?

Narendra, A., and Veerraju, M.S. (2014). A Modified Fuzzy Logic Controller Based Maximum Power Point Tracking under Partial Shading Conditions in Photovoltaic Systems. i-manager’s Journal on Instrumentation and Control Engineering, 2(2), 31-38. https://doi.org/10.26634/jic.2.2.2956

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