Implementation of series Facts devices SSSC and TCSC to improve power system stability

The demand for power demand and nonlinear loads is currently increasing, and thus a compensator that can efficiently afford compensation with growing or reducing load requirement and available transmission network resources are necessary. In this study, we implemented serial FACTS devices, namely, static series synchronous compensator (SSSC) and thyristor-controlled series compensator (TCSC), to increase the power capacity flow in an electric power network. We primarily aim to increase the load capability of the system to maintain system stability after a fault transient. Therefore, we implemented series FACTS devices SSSC and TCSC to maintain stability after a fault transient. Performance result of considered series FACTS controller shows an unstable steady state without a power system stabilizer. This paper presents modeling and simulation of SSSC and TCSC in MATLAB/Simulink to maintain transient stability.