Novel maximum-power-point-tracking controller for photovoltaicenergy conversion system
Yeong-Chau Kuo
Tsorng-Juu Liang
Jiann-Fuh Chen
Dept. of Electr. Eng., Nat. Cheng Kung Univ., Tainan;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Jun 2001
Volume: 48,
Issue: 3
On page(s): 594-601
ISSN: 0278-0046
References Cited: 13
CODEN: ITIED6
INSPEC Accession Number: 6951733
Digital Object Identifier: 10.1109/41.925586
Current Version Published: 2002-08-07
Abstract
A novel maximum-power-point-tracking (MPPT) controller for a
photovoltaic (PV) energy conversion system is presented. Using the slope
of power versus voltage of a PV array, the proposed MPPT controller
allows the conversion system to track the maximum power point very
rapidly. As opposed to conventional two-stage designs, a single-stage
configuration is implemented, resulting in size and weight reduction and
increased efficiency. The proposed system acts as a solar generator on
sunny days, in addition to working as an active power line conditioner
on rainy days. Finally, computer simulations and experimental results
demonstrate the superior performance of the proposed technique
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