Dual-Module-Based Maximum Power Point Tracking Control of Photovoltaic Systems
Joung-Hu Park
Jun-Youn Ahn
Bo-Hyung Cho
Gwon-Jong Yu
Sch. of Electr. Eng. & Comput. Sci., Seoul Nat. Univ.;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: June 2006
Volume: 53,
Issue: 4
On page(s): 1036-1047
ISSN: 0278-0046
INSPEC Accession Number: 9064480
Digital Object Identifier: 10.1109/TIE.2006.878330
Current Version Published: 2006-08-07
Abstract
The improved maximum power point tracking (MPPT) control method for small-scale dual-module photovoltaic (PV) systems is presented in this paper. With this method, the voltage and current information of each module are shared and utilized for the detection of the maximum-power point (MPP) without measuring power. This approach can be implemented in a simple structure, especially due to the elimination of memory and multiplication devices. The proposed method is verified by a hardware prototype of grid-connected dual-module PV systems with the proposed analog-implemented MPPT controller. In addition, practical issues of the proposed scheme are considered
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