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Faulted Section Identification Method in Case of Single Line to Ground Fault

배전자동화시스템에서 1선 지락 고장 시 고장구간 판단방법

  • 김병구 (경남대학교 전기공학과) ;
  • 김영국 (경남대학교 전기공학과)
  • Received : 2011.11.29
  • Accepted : 2012.04.26
  • Published : 2012.05.31

Abstract

The DAS(Distribution Atomization System) determines a faulted section by using a FI(Fault Indicator) when the fault is occurred on the distribution networks. Sometimes FI is malfunction when the ground fault is occurred on a the distribution networks. As a result difficulties to make decision of faulted section. The cause of the FI malfunction is that the determination using the limited information of the installed area. In this study, a method is proposed to determine faulted section using the amount of the fault current instead of using the FI. This method is determinated faulted section using the fuzzy inference for the collected information from the all switches. The usefulness of the proposed algorithm is verified through the simulation test using PSCAD/EMTDC.

Keywords

References

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