The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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Power Interruption Cost Calculation based on Value-based Methodology

가치평가법을 사용한 정전관련비용의 산정

  • Lee, Buhm (Dept. of Electrical and Semiconductor Eng. Chonnam National Univ.) ;
  • Kim, Kyoung-Min (Dept. of Electrical and Semiconductor Eng. Chonnam National Univ.) ;
  • Choi, Nam-Sup (Dept. of Electrical and Semiconductor Eng. Chonnam National Univ.)
  • 이범 (전남대학교 전기및반도체공학과) ;
  • 김경민 (전남대학교 전기및반도체공학과) ;
  • 최남섭 (전남대학교 전기및반도체공학과)
  • Received : 2021.02.26
  • Accepted : 2021.04.17
  • Published : 2021.04.30
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Abstract

This study presents a Power Quality(:PQ) costs calculation methodology based on Value-Based Methodology. A SCDF including Voltage Sag Costs is presented to calculate Sustained Interruption Costs, Momentary Interruption Costs, and Voltage Sags Costs. Authors compared between interruption costs without Back-Up Power Supply and interruption costs with Back-Up Power Supply, and showed reduction of interruption costs by investing Back-UP Power Supply by multi-lateral analyzation. By applying this method to the real system, evaluated and analyzed power quality of the system.

본 연구에서는 SCDF를 사용하여 전력공급의 가치를 산정하고, 부하점별 중요도를 다면적인 평가를 하는 방법을 제시한다. 이의 방법으로 지속정전, 순간정전, 전압 Sag/Swell에 대응할 수 있는 SCDF를 제공하고, 이 SCDF를 사용하여 정전과 관련하여 어느 부하점에 어느 정도의 비용이 발생하는지를 계산하였으며, 이들 비용을 다면평가를 통해 어느 부분이 어느정도 취약한지를 평가하고 어느 부분의 확장이 필요한 지를 수치적으로 설명할 수 있도록 하였다. 본 연구를 우리나라의 실배전계통에 적용하여 평가하고 유용성을 검증하였다.

Keywords

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