采用SVC与TCSC抑制风电次同步振荡  

Suppress Wind Power Grid Connected Sub Synchronous Oscillations by SVC and TCSC

作　　者：韩杰 王宝华[1] 黄佳健 HAN Jie;WANG Bao-hua;HUANG Jia-jian(School of Automation,Nanjing University of Science and Technology,Nanjing Jiangsu 210094,China)

机构地区：[1]南京理工大学自动化学院,江苏南京210094

出　　处：《计算机仿真》2025年第2期62-67,共6页Computer Simulation

基　　金：江苏省研究生科研与实践创新项目(SJCX22_0121)。

摘　　要：双馈风电机组(DFIG)经串联电容补偿线路并网可能会引发次同步振荡,为了抑制风电并网次同步振荡,采用静止无功补偿器(SVC)和可控硅控制串联补偿器(TCSC)进行联合补偿,设计了基于粒子群优化的控制器来抑制次同步振荡。在Matlab/Simulink中搭建了风电并网模型,通过仿真验证了SVC与TCSC对风电场次同步振荡的抑制能力。结果表明,采用SVC与TCSC协调控制的系统在不同风速和串补度的情况下,可以有效的抑制风电并网的次同步振荡,改善系统的电气阻尼,提升风力发电系统的稳定性。Doubly fed wind turbine(DFIG)connected to the grid through a series capacitor compensation line may cause sub-synchronous oscillation.In order to suppress sub-synchronous oscillation,this paper uses static var compensators(SVC)and thyristor-controlled series compensators(TCSC)for joint compensation.Based on particle swarm optimization,a controller is designed to suppress the sub-synchronous oscillation.A wind power grid connection model was built in Matlab/Simulink to verify the suppression ability of SVC and TCSC on wind farm sub-synchronous oscillation.The results show that the system using SVC and TCSC coordinated control can better improve the electrical damping of the system in different wind speeds and series compensation degrees.It can effectively suppress sub-synchronous oscillations in doubly fed wind farms and enhance the stability of the wind power generation system.

关 键 词：静止无功补偿器 可控串联补偿器 次同步振荡 粒子群优化 

分 类 号：TM743[电气工程—电力系统及自动化]