Comparison of STATCOM, SVC, TCSC, and SSSC performance in steady state voltage stability improvement

The paper presents a comparison of four Flexible AC Transmission Systems (FACTS) controllers, the Static Var Compensator (SVC), the STATic synchronous COMpensator (STATCOM), the Thyristor Controlled Series Compensator (TCSC) and the Static Synchronous Series Compensator (SSSC) on power system steady state voltage stability. The choice of the location and sizing of these devices is also presented and an analysis is made on the IEEE 14 bus system using Power System Analysis Toolkit (PSAT) software. A cost comparison of these FACTS devices with traditional reactive power/voltage stability devices is also presented.

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