疏散照明中均布负荷的电压损失计算

张俊明（北京城建设计发展集团股份有限公司，北京市 100037）

Calculation of Voltage Loss for Uniform Loads in Emergency Lighting

ZHANG Junming（Beijing Urban Construction Design & Development

Group Co.,Limited,Beijing 100037，China）

Abstract：The uniform loads in emergency lighting are converted into concentrated loads to calculate the voltage loss and derive the formula;then,the longest converted distribution distance is determined for different wire specifications upon the maximum voltage loss according to the formula;and it is simulated to determine the distribution scheme for emergency lighting in subway sections.

Key words：emergency lighting;concentrated load;uniform load;voltage loss calculation;power distribution distance;centralized power supply;formula derivation;scheme simulation

摘　要：将疏散照明中的均布负荷折算为集中负荷后进行电压损失计算，并导出公式；依据公式确定不同导线规格在达到最大电压损失时，最长的折算配电距离；模拟确定地铁区间疏散照明的配电方案。

关键词：疏散照明；集中负荷；均布负荷；电压损失计算；配电距离；集中电源；公式推导；方案模拟

中图分类号：TU852                　  文献标识码：A

doi：10.3969 / j. issn.1003 － 8493.2023.06.010