超高层建筑火灾自动报警系统电源总线压降问题的设计探讨  

Design Discussion on Voltage Drop of Power Bus in the Automatic Fire Alarm System of Super High rise Buildings

作　　者：王俊雅 Wang Junya(Xiamen Jiean Construction Group Co.Ltd.,Xiamen,Fujian 361000)

机构地区：[1]厦门市捷安建设集团有限公司,福建厦门361000

出　　处：《江西建材》2023年第9期156-157,160,共3页Jiangxi Building Materials

摘　　要：文中结合某超高层建筑火灾自动报警系统工程设计实例,分析了火灾自动报警系统中电源总线压降较大的原因,提出了降低线路压降的解决办法;通过计算推导,得出简化计算公式,给出了常用导线截面在不同电流下的最大传输距离,以供类似工程设计参考。Based on an engineering design example of an automatic fire alarm system in a super high-rise building,this article analyzes the reasons for the large voltage drop of the power bus in the automatic fire alarm system and proposes solutions to reduce the line voltage drop.And through calculation and derivation,a simplified calculation formula is obtained,providing the maximum transmission distance of commonly used wire sections under different currents,for reference in peer engineering design.

关 键 词：超高层建筑 火灾自动报警系统 电源总线 线路压降 电流矩 

分 类 号：TU972[建筑科学—建筑设计及理论]