城市轨道交通四轨供电方式的探讨

分析了目前地铁中采用走行轨作为回流网的供电方式,重点提出了目前杂散电流防护普遍存在的问题,提出采用四轨供电方式是根本解决杂散电流防护存在问题的手段,并能在现有技术条件下予以实现。

Discussion on Urban Rail Transportation Fourth Rail Power Supply Mode

Analyzes the adoption of the running rails to be the current return network in current subway, puts forward with emphases on the commonly existed problems in stray current protection, puts forward that the adoption of the fourth rail power supply mode is a fundamental approach to solve the problems existed in stray current protection, which is able to be realized under existed technical conditions.