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Implementation of Maximum Power Point Tracking Using Kalman Filter for Solar Photovoltaic Array on FPGAAuthors: varun ramchandani,Pamarthi Kranthi,Varma Naveen,Shubhajit Roy Chowdhury Journal: International Journal of Smart Grid and Clean Energy (link) Volume: Vol. 2 Volume Number: No. 2 Pages: 152-158 Date: 2013-05-01 Report no: IIIT/TR/2013/1 AbstractThis paper proposes FPGA implementation of a novel approach to track maximum power point of a solar photovoltaic array. The approach uses Kalman filter algorithm to track maximum power point. Using this approach tracking becomes much faster than using the generic Perturb & Observe algorithm in case of sudden weather changes. In this paper output of the proposed algorithm on FPGA is provided. Experimentation was performed under optimal conditions as well as under cloudy conditions i.e. falling irradiance levels. Using the proposed technique the maximum power point of a solar PV array is tracked with an efficiency of 97.11%. Moreover, the maximum power point has been tracked at a much faster rate i.e. 4.5 ms using the proposed algorithm compared to the existing generic Perturb and Observe approach. Full article: pdf Centre for VLSI and Embeded Systems Technology |
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