期刊
SOLAR ENERGY
卷 94, 期 -, 页码 221-232出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.solener.2013.04.013
关键词
Photovoltaic cells; I-V characteristic; Analytical model; Explicit I-V model
资金
- National Nature Science Foundation of P.R. China [60974071]
- Program for New Century Excellent Talents in University [NCET-11-1005]
- Nature Science Foundation of Liaoning Province [201102005]
- First Batch of Science and Technology Projects of Liaoning Province [2011402001]
- Liaoning BaiQianWan Talents Program [2012921061]
- Program for Liaoning Excellent Talents in University [LR201002]
This paper proposes a new explicit current-voltage (I-V) modelling approach for the single-diode model of solar cells. An accurate I-V model of solar cells is inherently implicit and nonlinear, which calls for iterative calculations to obtain an analytical expression of current I as function of voltage V. In the paper, a new method based on Taylor's series expansion is proposed and then an explicit analytical description of current I is obtained. Furthermore, two different modified five-parameter models based on Taylor's series expansion are constructed. To validate the accuracy of the models proposed in the paper, two different photovoltaic (PV) arrays are tested at different irradiance and temperature conditions. We make a comparison between the proposed models and the other explicit models. Simulation results show the proposed models are simple, accurate and effective explicit models for solar cells. (C) 2013 Elsevier Ltd. All rights reserved.
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