Modeling of Shunt FACTS Devices for Voltage Stability Enhancement

Kalaivani, R.; Kamaraj, V.
September 2011
European Journal of Scientific Research;9/30/2011, Vol. 61 Issue 1, p144
Academic Journal
Voltage instability problems increasing day by day because of demand increase. It is very important to analyze the power system with respect to voltage stability. This paper investigates the voltage stability analysis of IEEE 6BUS, 9BUS and 14BUS systems using SVC, STATCOM and UPFC devices. The system's reactive power handling capacity can be improved using Flexible AC Transmission System (FACTS) devices. Voltage instability and voltage collapse can be prevented by using shunt FACTS devices. In this paper, the effects of FACTS controllers on voltage stability improvement will be studied. The objective of this paper is to keep the power system to remain in voltage stable condition when it experiences a load change and contingency. Continuation Power Flow analysis is done with Power System Analysis Toolbox (PSAT) software.


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