Power supply system for No. 0 station of substation based on photovoltaic energy storage

Author(s): Wang Zhihuaa, Pei Xinyua, Zhang ZhiLina, Guo Minquana, Mei Chenglinb,
Yueyun Pengc a*
aZhuhai Power Supply Burean,Guangdong Power Grid Co.,Ltd., Zhuhai 519000,Guangdong,China;
bGuangdong power Test and Research Institute.Guangzhou 510080,Guangdong China;
cShenzhen Anter Intelligent Control Co., Ltd. Shenzhen 518000,Guangdong China;
International Journal of Smart Grid and Clean Energy, vol. 8, no. 1, January 2019: pp. 91-97
ISSN: 2315-4462 (Print)
ISSN: 2373-3594 (Online)
Digital Object Identifier: 10.12720/sgce.8.1.91-97

Abstract: As a substation’s power reserves are generally powered by a power terminal or a superior station, only power supply faults within the station can be addressed. To address this issue, a photovoltaic power storage system is proposed for substation usage, focusing on the mathematical model of photovoltaic cells, the application of a bidirectional inverter in the energy storage system, and the energy control logic of a photovoltaic power supply. The proposed model was implemented in a MATLAB/Simulink environment for the simulation of energy conversion at various operating conditions. The results indicated that the proposed system design using photovoltaic energy storage is effective with addition mode power supply substation and can improve the overall reliability and safety of the substation’s power supply.

Keywords: No. 0 station power supply, photovoltaic battery, energy storage, wind storage system
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