高速铁路正馈线故障的判断和处理

Feeder Fault Judgment and Processing for High-speed Railway

根据上海局管内高速铁路AT供电制式特点,探讨正馈线的故障抢修问题,提出正馈线故障的判断方法,并针对不同故障类型、故障范围制订相应的故障抢修方案。

According to the characteristics of AT power supply system of high speed railways in Shanghai administration. The paper discuss methods of repairing positive feeder fault. It is proposed whether positive feeder fault judgment method or not must be determined by comparing electrical currents on the absorption of the traction substation and its branch substations and T, F line fault current, illustrated through the fault cases. Based on the characteristics of positive feeder fault, according to the actual situation of fault site and traffic requirements, the ＂direct＂ or ＂temporary＂ fault repair plan can be taken and the main points of each repair plan are presented herein.