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FACTS装置对含风电互联系统低频振荡特性分析
引用本文:和萍,陈婕,耿斯涵,申润杰,祁盼.FACTS装置对含风电互联系统低频振荡特性分析[J].电力系统保护与控制,2020,48(8):86-95.
作者姓名:和萍  陈婕  耿斯涵  申润杰  祁盼
作者单位:郑州轻工业大学电气信息工程学院,河南郑州 450002;郑州轻工业大学电气信息工程学院,河南郑州 450002;郑州轻工业大学电气信息工程学院,河南郑州 450002;郑州轻工业大学电气信息工程学院,河南郑州 450002;郑州轻工业大学电气信息工程学院,河南郑州 450002
基金项目:国家自然科学基金项目资助(51507157, 51607158);河南省科技攻关项目资助(202102210305);河南省高等学校青年骨干教师项目资助(2017GGJS093)
摘    要:随着电力系统互联加强,风电并网容量的增加对电网的稳定运行影响越来越大。构建了以UPFC(Unified Power Flow Controller, UPFC)和SVC(Static Var Compensator, SVC)为代表的FACTS装置与含风电系统的数学模型。采用留数指标定位FACTS装置,设计了附加阻尼控制器(Additional Damping Controller, ADC)。基于IEEE 2区域4机互联系统,从特征根分析和时域仿真两个方面分析了FACTS装置对含风电互联系统低频振荡特性的影响。研究结果表明,加装附加阻尼控制器的FACTS装置能够维持母线电压以及发电机转速的稳定,增加互联系统联络线功率传输范围,抑制低频振荡引起的电网参数波动,改善了含风电电力系统的低频振荡特性。

关 键 词:风电并网  互联系统  FACTS  ADC  低频振荡
收稿时间:2019/6/6 0:00:00
修稿时间:2019/11/12 0:00:00

Analysis of FACTS device on low-frequency oscillation characteristics of a power system with wind farm integration
HE Ping,CHEN Jie,GENG Sihan,SHEN Runjie,QI Pan.Analysis of FACTS device on low-frequency oscillation characteristics of a power system with wind farm integration[J].Power System Protection and Control,2020,48(8):86-95.
Authors:HE Ping  CHEN Jie  GENG Sihan  SHEN Runjie  QI Pan
Affiliation:School of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China
Abstract:With the increasing scale of power system interconnection, the increase of wind power grid capacity has more and more influence on the stable operation of a power system. The wind power mathematical model of a FACTS device represented by UPFC and SVC are constructed. The FACTS device is positioned by residue index, and an additional damping controller is designed. Then, the effect of the FACTS device on the low-frequency oscillation of the wind power system is analyzed based on the IEEE 2-area 4-unit system by employing eigenvalue analysis and dynamic time-domain simulations. Simulation results show that system''s bus voltage and the stability of the generator speed can be maintained using the FACTS device with ADC. On the other hand, the range of the tie-line power of the interconnected system is increased, the fluctuation of power network parameters caused by low frequency oscillation is suppressed, and the low-frequency oscillation characteristic of the wind power system is improved. This work is supported by National Natural Science Foundation of China (No. 51507157 and No. 51607158), Henan Science and Technology Research Project (No. 202102210305), and Project Foundation for Young Key Teachers of Henan Colleges and Universities (No. 2017GGJS093).
Keywords:wind power integration  interconnected system  FACTS  ADC  low-frequency oscillation
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