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Finding an optimal PV panel maximum power point tracking method

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2 Author(s)
Bekker, B. ; Dept. of Electr. & Electron. Eng., Stellenbosch Univ., South Africa ; Beukes, H.J.

The need for a maximum power point tracker in a photovoltaic system is explained. A variety of photovoltaic panel maximum power point tracking methods are then briefly compared. The optimal method from those compared, where the photovoltaic panel power-voltage curve is scanned periodically, and the maximum power point tracker is controlled by current, is discussed in detail. Problems with this implementation are highlighted, and the design of a voltage-controlled implementation using the same power-voltage curve scan is presented. Problems and advantages of this system are given.

Published in:

AFRICON, 2004. 7th AFRICON Conference in Africa  (Volume:2 )

Date of Conference:

15-17 Sept. 2004