In this paper, the Static VAR Compensator (SVC) is presented to improve the voltage stability and rotor angle stability of power systems. The Static VAR Compensator, which is made up of a thyristor switched capacitor (TSC)and a thyristor-controlled reactor(TCR), is installed at recommended buses to provide the required damping. test simulation results is presented when the system is subjected to a three-phase fault with different fault durations and various SVC locations under the absence and presence of SVC using MATLAB private M-files to demonstrate the effectiveness of the static VAR Compensator when used in the context of power system transient stability improvement specially in improving the system voltage stability.