POWER SYSTEM STABILITY OF MULTI MACHINE BY USING STATIC SYNCHRONOUS SERIES COMPENSATOR (SSSC)

In this paper the problem of modeling and simulation of voltage stability is improved using Static Synchronous Series Compensator (SSSC). Due to the continuous demand in electric power system, the system is heavily loaded, this causes to voltage instability. In this work, a static synchronous series compensator (SSSC) is used to minimize the effect of this device in controlling active and reactive powers as well as damping power system oscillations in transient mode. The PI controller is used to achieve the zero signal error. The result is obtained from simulation using MATLAB. In short when any disturbances occur in transmission line, if SSSC is connected then disturbance in the system is minimized & system will reach the steady state condition very quickly