城市轨道交通 双电源单环网供电系统的远方备自投方案

Remote Standby Automatic Switching Scheme for Single Loop Network Power Supply System for Urban Rail Transit

地铁及有轨电车供电系统采用双电源单环网方式,通过备自投实现系统自愈恢复是非常重要的手段。本文通过分析双电源单环网供电系统特点,提出基于数字电流保护技术和GOOSE通信技术的远方备自投方案,具备快速准确自愈的特点,并通过动作逻辑分析以及系统仿真试验验证了方案的可行性。

The power supply systems of subway and tramway adopt dual power single loop network power supply mode,the standby automatic switching is an important means to realize the system self-healing recovery.The paper,on the basis of analyzing the characteristics of dual power single loop network power supply system,puts forward a remote automatic standby switching scheme based on the digital current protection technology and GOOSE communication technology,and it has characteristics of self-healing with rapidness and accuracy.Action logic analyzing and system simulation tests verify the feasibility of the scheme.