Transient Stability Enhancement of Multi Machine Power Systems using Matrix Converter Based Upfc

In present decades, owing to the swell and growing power systems electrical power demand, it is required to make exploit of the transmission lines equipped to its utmost loading limit. The transient stability restricts the steady state loading of the power system and the system becomes unstable prior attaining the state stability limit. Stability is an immense menace in the power system during the conflicts in the system. The electromechanical oscillations occurring in the rotor are generally damped out by means of power system stabilizers, which cannot damp inter area oscillations that will cause the system to lose its synchronism. Bringing back the system into synchronism is tedious and leads Flexible AC Transmission Systems (FACTS) devices, which rapidly and independently controls the actual and reactive power flows in a transmission line [1]-[5].In this paper, the enhancement of transient stability of the study system using matrix converter based UPFC employing space vector modulation technique is simulated using MATLAB – Simulink environment beneath fault condition with and without matrix converter [5]-[7]. The results obtained on both the case are compared and the efficiency of the matrix converter is revealed.