Investigation of TCSC Impacts on Voltage Stability of Electric Power System

S. Sajedi ； F. Khalifeh ； T. Karimi ； Z. Khalifeh

《Research Journal of Applied Sciences, Engineering and Technology》 3卷12期 (2011/12) Pp. 1409-1413

並列摘要

Flexible AC transmission systems devices can play very important role in enhancement of power system security. Thyristor Controlled Series Capacitor (TCSC) is one of the important FACTS devices that can change smoothly and rapidly its apparent reactance according to the system requirements. In this paper it is initially introduced a new method to allocate the optimum installation place of one or more TCSCs. The target function to determine the TCSCs installing place is increasing voltage stability during fault contingency. After determining TCSCs optimum installation place, their success rate in buses voltage stabilization is studied by a new following index, voltage stability index, and it is presented that they can be greatly effective in voltage stability. TCSC installation effect on amount of load shedding reduction is also presented as a new subject to keep buses voltage stability. IEEE 14&30 bus power systems are selected as the studied systems and mentioned analysis are applied on this system.

並列關鍵字

Power system stability ； series FACTS devices ； Thyristor Controlled Series Capacitor (TCSC)