中文说明：
用simulink搭建一个SSSC（静止同步串联补偿器）模型，其中的逆变器环节是H桥多电平逆变器调制策略采用载波移相pwm调制（SPWM），仿真在35kv输电线路，三节点以上，SSSC采用阻抗补偿模式，给出在容性补偿和感性补偿下的仿真结果。
English Description：
A model of SSSC (static synchronous series compensator) is built with Simulink, in which the inverter is H-bridge multilevel inverter. The modulation strategy adopts carrier phase shifted PWM modulation (SPWM). The simulation results show that the SSSC adopts impedance compensation mode in 35 kV transmission line with more than three nodes. The simulation results under capacitive compensation and inductive compensation are given