Transactions of the Korean Society of Pressure Vessels and Piping (한국압력기기공학회 논문집)

Korean Society of Pressure Vessels and Piping (한국압력기기공학회)
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A Study on the Analysis of Failures Related to Emergency Diesel Generators in Overseas Nuclear Power Plants

원전용 비상디젤발전기 국외 손상사례 분석에 관한 연구

  • 장정환 (한국원자력안전기술원) ;
  • 김진성 (한국원자력안전기술원 기계재료실) ;
  • 정해동 (한국원자력안전기술원 기계재료실) ;
  • 조권회 (한국해양대학교 기관시스템공학과)
  • Published : 2009.03.01
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Abstract

The emergency diesel generator (EDG) in a nuclear power plant (NPP) shall start within 10 secondss and supply electrical power to engineered safety features within one minute and less if a loss of offsite power (LOOP), A design-basis event, or their combination occur. Each NPP has an EDG set consisting of two diesel generators for redundancy. In addition to the EDG set, an alternate Alternating Current Diesel Generator (AAC DG) is installed and shared by several units to cope with a station black out (SBO), i.e., loss of the offsite power concurrent with reactor trip and unavailability of the EDG set. The objective of this study is to analyze the failure data of emergency diesel generators reported in overseas nuclear power plants.

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