Design and Operation of Grid-Connected Photovoltaic Energy Storage Power Station in Frigid Plateau Region

doi:10.11930/j.issn.1004-9649.202207060

Abstract

Abstract: Tibet is located in a frigid plateau region, and its solar energy resources are extremely rich. Photovoltaic energy storage power stations are conducive to improving the local power structure. However, the severe environment of the frigid plateau region has a significant influence on photovoltaic energy storage equipment. The structure of the Tibet power grid and solar energy resources in Shigatse were analyzed in this paper, and the feasibility of building photovoltaic energy storage power stations was evaluated. Taking Langming Sangzhuzi 50 MW grid-connected photovoltaic energy storage power station as an example, the paper proposed the design scheme of photovoltaic energy storage power stations suitable for frigid plateau regions. The energy storage capacity was set with the objective of minimizing the curtailment of the photovoltaic energy storage power station. The design scheme was verified by the operation data of the power station. The results showed that the scheme is applicable in frigid plateau regions, and an energy storage system with a capacity of 12.5 MW/100 MW·h matches the 50 MW photovoltaic system well, which can reduce about 60 MW·h abandoned power per day. The research can provide guidance for the optimization design of grid-connected photovoltaic energy storage power stations in frigid plateau regions.

Key words: equipment selection, design scheme, frigid plateau, grid-connected photovoltaic energy storage power station

ZHAO Bin, LIANG Gao, JIANG Menghao, WANG Li, KONG Qin, WANG Bingqiang. Design and Operation of Grid-Connected Photovoltaic Energy Storage Power Station in Frigid Plateau Region[J]. Electric Power, 2022, 55(12): 51-60.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202207060

https://www.electricpower.com.cn/EN/Y2022/V55/I12/51

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