马骏超,周洁洁,江全元,丁可,倪秋龙,石博隆
MA Junchao,ZHOU Jiejie,JIANG Quanyuan,DING Ke,NI Qiulong,SHI Bolong

• 1:国网浙江省电力有限公司电力科学研究院
• 2:国网浙江省电力有限公司杭州供电公司
• 3:浙江大学电气工程学院
• 4:国网浙江省电力有限公司

摘要(Abstract)：

浙江电网作为典型的受端电网,特高压直流的大规模接入和新能源渗透率的不断提高对系统频率稳定带来巨大挑战。通过搭建浙江电网统一频率模型,模拟浙江电网在负荷扰动下的系统动态频率响应情况。基于储能系统采用下垂控制方式参与系统一次调频,对比有无储能参与一次调频时的系统频率波动情况来分析储能的调频作用及效果。此外,提出储能的调频死区和调差率的优化选取方法,在不同工况下通过动态调整储能的调频控制参数,以提高储能的功能性和经济性。
Zhejiang power grid is a typical receiving-end power grid, in which the increasing integration of large-scale HVDC lines and high penetration of renewable energy sources bring challenges to the system frequency stability. By establishing the unified frequency simulation model of Zhejiang power grid, the dynamic frequency responses under load fluctuations are simulated. The battery energy storage system(BESS) is configured for primary frequency regulation using droop control, and the effectiveness of BESS in frequency regulation is analyzed by comparing the fluctuations in system frequency with and without BESS. In addition, to improve the functionality and economy of BESS, a dynamic parameters selection algorithm is proposed to adjust the frequency regulation parameters for BESS under different working conditions.

关键词(KeyWords)： 频率稳定;统一频率模型;电池储能系统;下垂控制;调频参数
frequency stability;unified frequency model;battery energy storage system;droop control;frequency regulation parameters

Abstract:

Keywords:

基金项目(Foundation): 国网浙江省电力有限公司科技项目（5211DS18003A）

作者(Author): 马骏超,周洁洁,江全元,丁可,倪秋龙,石博隆
MA Junchao,ZHOU Jiejie,JIANG Quanyuan,DING Ke,NI Qiulong,SHI Bolong

DOI: 10.19585/j.zjdl.202109001

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