초록

원전 화재위험도분석(FHA)은 화재재해분석과 화재안전정지분석이 통합되어 수행되는 분석으로서 전기회로분석이 광범위하게 포함되어 있으므로 화재위험도분석의 신뢰성 확보를 위해서는 전기회로분석이 매우 중요하다. 본 연구에서는 원전 화재위험도분석시 수행되는 전기회로분석의 필수요소를 도출하고, 전기회로분석의 필수요소를 검증하기 위한 검증방안을 제시하였다.

Abstract ▼

Ⅳ. Results of the Study

Essential electrical elements required for electrical circuit analyses in FHA were derived in this study. Representative of essential electrical elements for each analysis in the fire hazard analysis is as below.

○ Fire loading analysis
- Cable location infor

Ⅳ. Results of the Study

Essential electrical elements required for electrical circuit analyses in FHA were derived in this study. Representative of essential electrical elements for each analysis in the fire hazard analysis is as below.

○ Fire loading analysis
- Cable location information
- Cable heat of combustion information

○ Fire modeling analysis
- Location information for ignition sources
- Information for combustibles and targets

○ Safe shutdown cable analysis
- Safe shutdown cable list
- Safe shutdown cable location information

○ Separation analysis
- Identification of areas containing both redundant cables
- Cable routing mark drawing

○ Associated circuit analysis
- Review of possibility of the common power supply problem
- Documents for electrical coordination data
- Performance characteristics of circuit breakers
- Cable flame test reports
- Current transformer list
- Review of current transformer problem
- Spurious operation scenario list
- Fire areas implying spurious operation

○ Multiple spurious operation analysis
- MSO scenario list
- Fire areas implying multiple spurious operation