Design and Simulation of Control Circuit for TCSC Based MATLAB Simulink

Abstract

Thyristor Control Series Compensator (TCSC) can be considered as one of the solutions for increasing power demand nowadays. This paper presents design of control system that is able to change the impedance of the TCSC by controlling thyristors firing angle (α) of three stages TCSC using constant power control strategy for thyristor control series compensators to increase the capability of reactive power compensation of the transmission line. Matlab Simulink implemented to evaluate the performance of the proposed control circuit for the duration of peak load and half load of the transmission line where the simulation shows a good results where two third of the total amount of reactive power is compensated and transmission line capacity is extended.