The Analysis on Grounding Method of SSSC

Abstract

The static synchronous series compensator (SSSC) showed fast speed of adjustment, and good compensation ability. It will be used in electric system more and more in future. In this paper, based on a typical system, study and analysis were put on about the grounding method of SSSC. For grounding demand, there were two methods, which were directly grounding and resistor grounding of the second winding. The analysis included steady state and transient state. And the transient states included short-circuit faults of accessing system and the converter side. In conclusion, comparisons were given out between the two grounding methods, which could provide reference for project.