A Study for Operation Zone of Distance Relay on Transmission Line Connected UPFC

UPFC가 설치된 선로에서 거리계전기의 동작특성에 관한 연구

  • Published : 2001.11.16

Abstract

This paper discusses the operation zone of distance relay on transmission line connected unified power flow controller(UPFC). Depending on operating conditions of UPFC, the trip characteristics of distance relay is influenced by the prefault conditions. In this paper, apparent impedance of distance relay influenced by the UPFC control of distance is calculated.

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