关于消防供电末端双切在核电厂核岛的适用性分析  

An Analysis of the Applicability of Fire-fighting Power Supply Switch in Nuclear Power Plant

作　　者：刘千里 孙辉 Liu Qianli;Sun Hui(China Nuclear Power Design Company,Shenzhen 518000,China)

机构地区：[1]深圳中广核工程设计有限公司,深圳518000

出　　处：《智能建筑电气技术》2024年第5期3-7,共5页Electrical Technology of Intelligent Buildings

摘　　要：《建筑防火通用规范》GB 55037—2022要求重要消防设备应在其配电线路的最末一级配电箱内设置自动切换装置。对核电厂核岛和常规民用建筑消防供电的现状进行对比分析,阐述核电厂核岛消防供电设置末端自动切换装置可能带来的风险,结合对规范条文的溯源及各行业执行情况和经验反馈,提出替代性满足通规的建议。GB 55037—2022 requires that important fire-fighting equipment should be equipped with automatic switching devices in the last distribution box of the distribution line.Comparative analysis of the current situation of fire protection power supply in nuclear power plant and conventional civil buildings,elaboration of the possible risks of setting up end automatic switching device for fire protection power supply in nuclear power plant,combined with the traceability of the provisions of the specification and the feedback of the implementation situation and experience of various industries,to put forward the proposal of alternative to meet the General Code.

关 键 词：可靠性 消防供电 自动切换装置 供电通道 共模点 

分 类 号：TM613[电气工程—电力系统及自动化]