期刊
ENERGIES
卷 14, 期 13, 页码 -出版社
MDPI
DOI: 10.3390/en14133729
关键词
photovoltaic units; three-diode model; parameter estimation; optimization methods; whale optimization algorithm; ranking method; cyclic exploration-exploitation strategy
资金
- King Saud University, Riyadh, Saudi Arabia [RSP-2021/167]
Efficient and accurate estimation of unidentified parameters in photovoltaic models is crucial for simulation. This study introduces two new variants of the whale optimization algorithm for identifying parameters in the three-diode PV model, demonstrating their superiority over existing algorithms in terms of accuracy and convergence speed.
Efficient and accurate estimations of unidentified parameters of photovoltaic (PV) models are essential to their simulation. This study suggests two new variants of the whale optimization algorithm (WOA) for identifying the nine parameters of the three-diode PV model. The first variant abbreviated as RWOA is based on integrating the WOA with ranking methods under a novel updating scheme to utilize each whale within the population as much as possible during the optimization process. The second variant, namely HWOA, has been based on employing a novel cyclic exploration-exploitation operator with the RWOA to promote its local and global search for averting stagnation into local minima and accelerating the convergence speed in the right direction of the near-optimal solution. Experimentally, RWOA and HWOA are validated on a solar cell (RTC France) and two PV modules (Photowatt-PWP201 and Kyocera KC200GT). Further, these proposed variants are compared with five well-known parameter extraction models in order to demonstrate their notable advantages over the other existing competing algorithms for minimizing the root mean squared error (RMSE) between experimentally measured data and estimated one. The experimental findings show that RWOA is superior in some observed cases and superior in the other cases in terms of final accuracy and convergence speed; yet, HWOA is superior in all cases.
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