Research on TCSC nonlinear PID controller for multi-machine system

Multi-machine system;  TCSC;  nonlinearity;  PID

TCSC impedance control is the basis for realizing other control functions of TCSC, and the system layer control reflects the target parameters of the power system in a timely and effective manner under a certain control strategy. Combining the advantages of nonlinear control and PID control, nonlinear control is used as system layer control and PID control is used as middle layer control, and the controller is designed, and its control strategy adopts local information and does not depend on the accurate model of the system. A two-region four-machine system was built in the Matlab/Simulink simulation environment for simulation. The results show that the controller has a good effect in improving the transient stability of the system.