Analysis of Thyristor Controlled Series Capacitor Application in Fault Current Limiter Mode

Document Type : Original Article

Abstract

The present paper describes and analyzes the mechanism and extent by which the Thyristor Controlled Series Capacitor (TCSC) may be applied to limit fault currents through developing high inductive impedance under fault conditions. The transition to and from normal operating conditions and fault current limiting mode of TCSC is analyzed beside its original function as a flexible ac transmission system device under PSCAD/EMTDC and MATLAB environments. The fault current limiting performance of TCSC is compared against that of a static synchronous series compensator (SSSC) applied to the same system under study