民用建筑内消防用电设备的供电时间要求对供电线路的影响

Influence of Power Supply Time Requirement of Fire Fighting Equipment on Power Supply Line in Civil Building

国家相关规范对民用建筑内各消防设备用电的连续供电时间有最低要求。介绍了消防设备供电线路的设计范围、原则及相应线缆、槽盒、梯架类型的特点,系统性地分析了高压进、馈线线路及低压(支)干线供电线路为满足规范规定的连续供电时间要求的设计要点,提出了各级消防供电线路的设计建议。

There are minimum requirements for the continuous power supply time of fire fighting equipment in civil buildings.This paper introduced the design scope and principles of power supply lines for fire fighting equipment,as well as the characteristics of corresponding cables,slot boxes and ladder types.The design points of power supply lines for high voltage feed lines and low voltage(branch)trunk lines were systematically analysed,in order to meet the requirements of continuous power supply time stipulated in the specifications.The design suggestions of fire power supply lines at all levels were proposed.