Methodology for Analyzing the Value of Energy Storage to Power System Frequency Control in Context of High Shares of Renewable Energy

doi:10.11930/j.issn.1004-9649.2016.10.148.05

Abstract

Abstract: Integration of large-scale renewable energy will bring a lot of challenges to power system planning and operation. Energy storage is one of the mitigation measures. This paper analyses the values of energy storage to power system frequency control in the context of high shares of renewable energy. Based on the value of energy storage in improving system frequency stability with disturbances and both primary and secondary frequency controls, the criterion for the needed storage are given and the methodology for calculating the energy and power capacity of storage are proposed. Energy strorage allocation is related to such factors as the shares of renewable energy, the moment of inertia provided by the conventional on-line power sources and the minimum transient frequency of power system. In view of the system’s oscillatory problems caused by high shares of renewable energy, the energy storage tracking system can be used to improve the performance of power system frequency control.

Key words: renewable energy, energy storage, power grid frequency control, frequency regulation

CLC Number:

TM715

WANG Caixia, LI Qionghui, LEI Xuejiao. Methodology for Analyzing the Value of Energy Storage to Power System Frequency Control in Context of High Shares of Renewable Energy[J]. Electric Power, 2016, 49(10): 148-152.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.2016.10.148.05

https://www.electricpower.com.cn/EN/Y2016/V49/I10/148

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