INTERNATIONAL RESEARCH JOURNAL OF SCIENCE ENGINEERING AND TECHNOLOGY

( Online- ISSN 2454 -3195 ) New DOI : 10.32804/RJSET

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A COMPARATIVE ANALYSIS OF STEP SIZES IN MAXIMUM POWER POINT TRACKING ALGORITHM FOR PV SYSTEM UNDER VARYING PARAMETERS SIMULATED VIA MATLAB PLATFORM

    1 Author(s):  MR. AGNIBHA DE

Vol -  1, Issue- 1 ,         Page(s) : 55 - 63  (2011 ) DOI : https://doi.org/10.32804/RJSET

Abstract

Photovoltaic (PV) systems generate a significant amount of electrical energy used around theworld. In accordance with high cost and low efficiency, solar panels and arrays should be operated at the maximum power point (MPP). Photovoltaic cells have variable urrent and voltage echaracteristics and MPP depends on solarir radiations and ambient temperature. Obtaining maximum power and reaching highest efficiency level in the sepanelsisan important research topic [1],[2]. Maximum Power Point Tracking (MPPT) is developed to capture maximum power level in variable atmospherically conditions [3],[4]. In this comprehensive study, the behaviour of varied incremental conductance (IC) MPPT algorithm implemented to PVmodules. Larger medium small fixed step-sizesand variable step sizes were applied, analyzed under varying conditions. Inorderto compare the step size impressions, all cases were simulated on MATLAB/Simulink platform and the results were undernoted and were observed accordingly.

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