垂直电梯火灾时延时切非方式讨论

摘要

介绍城市轨道交通垂直电梯火灾时的控制模式；分析垂直电梯从2级负荷配电箱走线、从1级负荷配电箱走线、从400 V开关柜单独走线的3种供电回路，以及不同供电回路对应的延时切非控制方案及其优缺点，并给出推荐方案。指出了电梯蓄电池作为备用电源的注意事项。%This paper introduces the control mode of elevator in fire case in transit, and makes analysis of 3 kinds of power supply circuits for elevator including cabling from the distribution box of class 2 load, from the distribution box of class 1 load, and from the 400 V switch cabinet, it discusses the corresponding schemes for delay shifting mode, and their advantages and disadvantages, and gives the recommended scheme. It points out the matters to pay attention for elevator battery needed as standby power supply.