Journal
ENERGY REPORTS
Volume 7, Issue -, Pages 3286-3301Publisher
ELSEVIER
DOI: 10.1016/j.egyr.2021.05.030
Keywords
Solar photovoltaic; Parameter extraction; Gaining-sharing knowledge-based algorithm
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Funding
- National Natural Science Foundation of China [51907035, 51867005]
- Guizhou Education Department Growth Foundation for Youth Scientific and Technological Talents, China [[2018]108]
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This paper introduces a new metaheuristic algorithm, GSK, for the extraction of parameters in solar photovoltaic models. GSK simulates the process of knowledge acquisition and sharing in human life cycle, showing strong competitiveness in solving optimization problems. Empirical results demonstrate that GSK outperforms other metaheuristic algorithms in terms of robustness, convergence, and accuracy across various PV models.
For the solar photovoltaic (PV) system to operate efficiently, it is necessary to effectively establish an equivalent model of PV cell and extract the relevant unknown model parameters accurately. This paper introduces a new metaheuristic algorithm, i.e., gaining-sharing knowledge based algorithm (GSK) to solve the solar PV model parameter extraction problem. This algorithm simulates the process of knowledge acquisition and sharing in the human life cycle and is with strong competitiveness in solving optimization problems. It includes two significant phases. The first phase is the beginner-intermediate or junior acquisition and sharing stage, and the second phase is the intermediate-expert or senior acquisition and sharing stage. In order to verify the effectiveness of GSK, it is applied to five PV models including the single diode model, double diode model, and three PV modules. The influence of population size on the algorithm performance is empirically investigated. Besides, it is further compared with some other excellent metaheuristic algorithms including basic algorithms and advanced algorithms. Among the five PV models, the root mean square error values between the measured data and the calculated data of GSK are 9.8602E-04 +/- 2.18E-17, 9.8280E-04 +/- 8.72E-07, 2.4251E-03 +/- 1.04E-09, 1.7298E-03 +/- 6.25E-18, and 1.6601E-02 +/- 1.44E-16, respectively. The results show that GSK has overall better robustness, convergence, and accuracy. (C) 2021 The Authors. Published by Elsevier Ltd.
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