期刊
SOLAR ENERGY MATERIALS AND SOLAR CELLS
卷 67, 期 1-4, 页码 389-395出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0927-0248(00)00307-X
关键词
PV module; equivalent circuit parameter; diagnostics; MPPT
A method to estimate the equivalent circuit parameters of a PV (photovoltaic) module is presented. The parameters are calculated using a least-squares fitting of the equivalent model current-voltage characteristic with the measured one. For applications of the equivalent circuit model parameters, a quantitative diagnostic method of the PV modules by evaluating the parameters is introduced and examined by simulation. A new maximum peak power tracking (MPPT) method using the model parameters, a solar insolation, and a cell temperature is also shown. Its performance is compared with other MPPT control algorithms by simulations. The performance of the proposed method was better than other MPPT methods. (C) 2001 Elsevier Science B.V. All rights reserved.
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