储能对大比例可再生能源接入电网的调频价值分析

doi:10.11930/j.issn.1004-9649.2016.10.148.05

摘要/Abstract

摘要： 储能可以缓解高比例可再生能源接入电网对电力系统规划、运行等带来的一系列影响。针对高比例可再生能源接入条件下大电网的频率控制问题，分别对储能在改善系统暂态频率稳定性以及改善系统一次和二次调频方面的价值，提出储能需求判据和容量配比分析方法。储能配置的大小与可再生能源接入比例、在线常规电源提供的转动惯量大小、系统暂态频率最低值等因素有关，针对高比例可再生能源引起的系统波动性问题，可以通过配置一定的储能跟踪系统净负荷1 min、10 min波动幅度，改善系统频率控制性能。

关键词: 可再生能源, 储能, 电网频率控制, 调频

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

中图分类号:

TM715

王彩霞，李琼慧，雷雪姣. 储能对大比例可再生能源接入电网的调频价值分析[J]. 中国电力, 2016, 49(10): 148-152.

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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链接本文: https://www.electricpower.com.cn/CN/10.11930/j.issn.1004-9649.2016.10.148.05

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

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