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A Novel Power Output Model for Photovoltaic Systems

Author(s): Chiou-Jye Huanga*, Mao-Ting Huanga, Chung-Cheng Chenb
a Industrial Technology Research Institute, Hsinchu, Taiwan, R.O.C.
b Department of Electrical Engineering, Hwa Hsia Institute of Technology, Taiwan, R.O.C.
International Journal of Smart Grid and Clean Energy, vol. 2, no. 2, May 2013: pp. 139–147
ISSN: 2315-4462
Digital Object Identifier: 10.12720/sgce.2.2.139-147

Abstract: This study proposes an efficient approach for the model of photovoltaic systems power output by employing evolutionary programming algorithm schemes. The PV system power output is primarily influenced by the weather, the solar irradiance and the module temperature. The EP algorithm is employed for adjusting the optimal value of the fill factor to achieve more accurate PV system (PV array model and PV inverter model) power output. A model of the PV systems can be established and the power outputted. To validate the developed PV system model, some measured data from two PV systems are utilized to make comparison with the proposed EP algorithm schemes. The modeling of the PV system is performed and the performance of our presented power output approach proves the effectiveness of the proposed method. More accurate results can be obtained by adjusting the fill factor parameter of the built model.
Keywords: Evolutionary programming, fill factor, photovoltaic systems

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