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Optimal Placement of FACTS Devices in a Typical Power System

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.3, No. 6)

Publication Date:

Authors : ; ; ;

Page : 864-869

Keywords : Contingencies; Flexible AC Transmission System (FACTS); optimal placement; static VAR compensator (SVCs); Thyristor-controlled series capacitors (TCSCs);

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This paper presents an approach for the optimal placement of FACTS devices. The devices considered are Static Var Compensator (SVC) and Thyristor Controller Series Capacitor (TCSC). Optimal location of TCSC is identified by computing an index called the single contingency sensitivity (SCS) which is used to rank the system branches according to their suitability. The objective of this approach is to minimize or eliminate line overloads as well as the unwanted loop flows under single contingencies. The presented approach for locating and controlling power flow through TCSC enhances the static security and reduces the power losses in a given power system. The approach for the selection of SVC location is based on static voltage stability analysis of the power systems. The analysis presented here uses the L index computed at load buses. L index gives voltage stability information and is in the range of 0 to 1. By using MiPower software, these approaches are tested on IEEE 14-bus and 30-bus test systems.

Last modified: 2014-07-05 14:04:14