【摘要】 为了研究含有串联电容器补偿的高压输电网络的暂态过程,在阐述串联电容器补偿基本原理和作用的基础上,利用MATLAB中的电力系统模块库(PSB)和Simulink,建立了一个735kV串联电容器补偿输电网络的系统模型,并对其一相对地短路的暂态过程进行了仿真.仿真结果表明:含有串联电容器补偿的高压输电网络有可能发生次同步振荡(SSO)现象.为了抑制次同步振荡,应采用可控串联电容器补偿(TCSC).更多还原

【Abstract】 For studying the transient process of series capacitor compensated high-voltage transmission network, the basic principle and functions of series capacitor compensation are expatiated firstly.Then a system model of series capacitor compensated 735kV transmission network is built by using Power System Blockset(PSB) and Simulink of MATLAB, and its transient process is simulated with a phase short circuit fault to ground.The simulating results show that subsynchronous oscillation(SSO) will possibly happen in series capacitor compensated high-voltage transmission network. Thereby, for restraining SSO,thyristor controlled series compensation (TCSC) should be adopted.更多还原