Introduction of the Long-distance Distribution Design in a Subway Section

Su Ping’an（China Railway Eryuan Engineering Group Co.，Ltd.，Chengdu 610031，China）

 

Abstract The 16 sets of jet fans and 9 sets of rainwater pumps in a subway section are farther away from the substation. Through the analysis of load distribution and the requirement of operating conditions，it is determined to adopt low-voltage distribution mode. The optimization of the power distribution schemes，the selection of cable cross-section，and the monitoring of the jet fans and rainwater pumps are introduced.

Key words Jet fans Rainwater pumps Soft start Low-voltage distribution

 

摘 要 某地铁区间的16台射流风机和9台雨水泵距离变电所较远，通过分析负荷分布、工况要求，决定采用低压配电方式。介绍了配电方案的优化、电缆截面的选择，射流风机、雨水泵的监控。

关键词 射流风机 雨水泵 软启动 低压配电