한국전기전자재료학회:학술대회논문집 (Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference)
- 한국전기전자재료학회 2004년도 추계학술대회 논문집 Vol.17
- /
- Pages.61-64
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- 2004
자속 구속형 전류제한기의 사고각에 따른 초기 사고전류 제한 시점 변화분석
Variations of Initial Fault Current Limiting Instant According to Fault Angles in the Flux-lock Type SFCL
-
박충렬
(전북대학교 전기공학과)
;
- 임성훈 (전북대학교 공업기술연구센터) ;
- 박형민 (조선대학교 전기공학과) ;
-
최효상
(조선대학교 전기공학과)
;
- 한병성 (전북대학교 전기공학과)
-
Park, Chung-Ryul
(Chonbuk National Uni.)
;
- Lim, Sung-Hun (Research Center of Industrial Technology, Engineering Research Institute) ;
- Park, Hyoung-Min (Chosun Uni.) ;
-
Choi, Hyo-Sang
(Chosun Uni.)
;
- Han, Byoung-Sung (Chonbuk National Uni.)
- 발행 : 2004.11.11
초록
In this paper, we investigated the variations of initial fault current limiting instant according to fault angles in the flux-lock type SFCL. The flux-lock type SFCL consists of the coil 1 and the coil 2 that are wound in parallel each other through an iron core. The operation of the flux-lock type SFCL can be divided into the subtractive polarity winding and the additive polarity winding operations according to the winding directions between the coil 1 and coil 2. The subtractive polarity winding operation could be analyzed with three modes. On the other hand, the additive polarity winding operation could be analyzed with five modes. The variations of initial fault current limiting instant in two winding directions were dependent on the fault angles. It was confirmed from experiment that the fault current limiting instant was getting faster and the magnitude of fault current at the initial fault time was getting higher for higher fault angle.
키워드