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1.华南理工大学电力学院,广东省广州市 510640
2.广东省绿色能源技术重点实验室(华南理工大学),广东省广州市 510640
唐玉烽(1992—),男,博士研究生,主要研究方向:电力系统稳定分析、风力发电与并网控制。E-mail:503498325@qq.com
杨苹(1967—),女,通信作者,博士,教授,博士生导师,主要研究方向:可再生能源并网和微电网技术。E-mail:eppyang@scut.edu.cn
杨义(1992—),男,博士研究生,主要研究方向:分布式发电和微电网运行与控制、电力市场环境下的能源互联网。E-mail:1010656747@qq.com
收稿:2022-06-07,
修回:2022-11-20,
网络出版:2023-02-03,
纸质出版:2023-05-10
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唐玉烽,杨苹,杨义.考虑频率二次跌落的风电机组频率响应控制策略[J].电力系统自动化,2023,47(9):166-174.
TANG Yufeng,YANG Ping,YANG Yi.Frequency Response Control Strategy of Wind Turbines Considering Frequency Secondary Drop[J].Automation of Electric Power Systems,2023,47(9):166-174.
唐玉烽,杨苹,杨义.考虑频率二次跌落的风电机组频率响应控制策略[J].电力系统自动化,2023,47(9):166-174. DOI: 10.7500/AEPS20220607008.
TANG Yufeng,YANG Ping,YANG Yi.Frequency Response Control Strategy of Wind Turbines Considering Frequency Secondary Drop[J].Automation of Electric Power Systems,2023,47(9):166-174. DOI: 10.7500/AEPS20220607008.
风电参与频率响应是保障高风电渗透率电力系统频率稳定性的重要方案,但风电机组的转速恢复过程可能会导致系统出现频率二次跌落(FSD)。在分析风电机组利用转子动能参与频率响应过程、FSD产生机理以及影响FSD大小主要因素的基础上,考虑风电渗透率,提出一种风电机组频率响应控制策略以减小FSD。该策略基于综合惯量控制,对风电机组的频率支撑过程和转子转速恢复过程的有功功率参考值进行分阶段设计,动态调整风电机组的输出功率来减小FSD。最后,仿真结果验证了所提策略可以在不同风电渗透率电力系统中大幅减小FSD,改善电力系统的频率响应特性。
Participation of wind power in the frequency response is an important scheme to ensure the frequency stability of power systems with high penetration rate of wind power. However
the rotational speed recovery process of wind turbines may lead to the frequency secondary drop (FSD) of the system. On the basis of analyzing the process of wind turbines using rotor kinetic energy to participate in frequency response
the generation mechanism of FSD and the main factors affecting FSD
a frequency response control strategy of wind turbines is proposed to reduce FSD considering the penetration rate of wind power. Based on the integrated inertia control
the active power reference values of wind turbines in the frequency support process and the rotor speed recovery process are designed in stages
and the output power of wind turbines is dynamically adjusted to reduce FSD. Finally
simulation results verify that the proposed strategy can significantly reduce FSD in power systems with different penetration rates of wind power and improve the frequency response characteristics of power systems.
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