Journal of Electrical Engineering : Volume 18 / 2018 - Edition : 1

Optimal Placement of TCSC and TCPAR using Sensitivity Analysis

industrial electrical power systems
Optimal placement of Flexible AC Transmission System (FACTs) devices are very important for maintaining proper power system performance. This article presents an optimal placement approach of two well-known FACTs devices, Thyristor controlled series capacitor ( TCSC) and Thyristor controlled phase angle rectifier ( TCPAR) based on sensitivity analysis. In this method, reduction of line losses and overloading are taken care of. Sensitivity indexes are used to find proper place of FACTs devices in the network. After placing FACTs devices the performance of the network is also analyzed. Which FACTs device is more suitable for the network is also analyzed with the impact of change of generation. Effectiveness of the method is tested on a WSCC-3-Machine-9 bus system and an IEEE 57 bus test system with various single and multiple contingency combinations. The results obtained are accurate and satisfactory. The whole simulation work is done by using Power World 12.0 commercial version
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