群组双边牵引供电系统自愈重构方案研究

Study on Schemes for Self-healing Reconfiguration of Group Bilateral Traction Power Supply System

针对群组双边牵引供电系统发生故障后需要快速恢复供电的问题,提出了针对该系统的自愈重构方案。通过分析该系统的结构特点和互联互通属性,对故障类型进行分类,考虑禁止同一群组系统高压侧不同母线经牵引网形成合环,以及双边供电下的牵引变电所设备主备用之间的切换、开关操作最少和故障恢复后供电能力最大,给出了不同故障类型的自愈重构方案以及自愈重构结果,使故障发生后能够快速恢复供电。

With regard to the problem that the power supply which requires to be restored after there is a fault occurred in the group bilateral traction power supply system,the scheme for self-healing reconfiguration of the system is put forward.By analyzing the structural characteristics and interconnection properties of the system,the types of faults are classified.With consideration to prevent the different bus bars at high voltage side of a system of the same group from forming a closed loop,or switching between main and standby equipment of traction substation under bilateral power supply mode,with minimum operations of switching and maximum power supply capacity after fault recovery,related self-healing reconfiguration schemes for the different faults and self-healing reconfiguration results are put forward so as for the quick restoration of power supply after the fault occurred.