Stability Analysis of Thyristor Controlled Series Compensation Using Simulink

Authors:

Anurag Gautam (Manav Rachna International University, Faridabad)

Anubha Gautam (YMCA University of Science & Technology Faridabad)

Keywords: FACTS, Stability of system, TCSC, Thyristor controlled reactor.

Abstract:

The voltage and power level of the system changes when there is a change in the line impedance due to the faults in the line . The drop in the load voltage leads to an increased demand for the reactive power that ,if not met by the power system leads to a future decline of voltage at that location and in the neighboring regions, eventually resulting in voltage collapse. In this paper, FACTS (Flexible AC transmission systems) controller, Thyristor Controlled Series Compensator (TCSC), is incorporated in the system to maintain the reactive power (Q) so as to avoid the increase in reactive power demand Smooth variation of reactive power is possible by controlling the firing angle of the thyristors. TCSC model is developed and tested in IEEE test system, and the outputs are given.