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A Study on the Possibility of Transforming to Digital Substations using IEC 61850 Field Information Processing Panel of Legacy Substation

기존 변전소의 IEC 61850 기반 현장정보처리반을 이용한 디지털변전소 전환 가능성 검토에 관한 연구

  • Yuk, Sim-Bok (Catholic Kwandong University, Department of Electronic Engineering) ;
  • Lee, Sung-Hwan (Uiduk University, Division of Energy & Electrical Engineering) ;
  • Kim, Chong-il (Catholic Kwandong University, Department of Electronic Engineering)
  • Received : 2018.01.30
  • Accepted : 2018.02.20
  • Published : 2018.04.30

Abstract

The IEC 61850 communication standard is used worldwide, and within the country the new substation is built as a digital substation based on IEC 61850 from 2013, after field tests and R&D from 2007. Research on the development of digital substation operating system has been conducted mainly in large domestic companies, so the IED power application equipment for LCP are developed. However, there is still a lack of research in the field of systems that can accommodate all the field devices used for legacy substation and new digital substation. In this paper, we developed the 48VDC input modules and the 125VDC output modules which can construct proposed field information processing modules to IEC 61850 based type, and verified the field applicability from the state monitoring and control operation tests by using IEC 61850 client authentication program and Wireshark.

전 세계적으로 국제 표준인 IEC 61850 통신규약을 사용하고 있고 국내에서도 2007년도부터 시험 적용과 연구개발을 통해 2013년부터 신규 건설되는 변전소는 IEC 61850 기반의 디지털변전소로 준공되어 지고 있다. 국내 대기업을 중심으로 디지털 변전소 운영시스템 개발을 위한 연구가 진행되어 LCP용 IED 전력응용기기를 개발하였으나, 기존 변전소에 설치되어 운전 중인 구형의 현장기기와 신형인 디지털 변전소 운영시스템에 사용되는 현장기기를 모두 수용할 수 있는 시스템 분야의 연구는 아직 미흡한 실정이다. 본 논문에서는 제안된 현장정보처리반을 IEC 61850 기반으로 구성할 수 있는 48VDC 입력모듈과 125VDC 출력모듈을 구현하고 패킷 분석 툴인 IEC 61850 클라이언트 인증 프로그램과 Wireshark를 사용하여 상태감시, 제어조작시험을 실시하여 현장 적용 가능성을 검증하였다.

Keywords

References

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