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TCSC阻抗控制是实现TCSC其他控制功能的基础。为较好地实现TCSC阻抗控制，采用数字仿真的方法，对TCSC详细模型进行了研究，找出了阻抗控制的规律，提出了用于TCSC阻抗控制的变参数PID方法。该方法克服了传统PID控制器的缺点，有较强的鲁棒性，可适用于不同的命令客抗。通过在实际工程的仿真计算，证明该方法具有良好的阻抗控制效果。
TCSC impedance control is the basis for implementing other TCSC control functions. In order to realize the TCSC impedance control well, the detailed model of TCSC was studied by digital simulation method, the law of impedance control was found, and the variable parameter PID method for TCSC impedance control was proposed. The method overcomes the shortcomings of the traditional PID controller, has strong robustness and can be applied to different commands. The simulation results show that this method has a good impedance control effect.