接触网网上隔离开关故障分析及处理措施

The Fault Analysis and Treatment Measures of the Isolator Switch in Overhead Catcher Network

接触网网上隔离开关一次分合闸涉及电气、机械、远动设备多环节参与,网上隔离开关动作过程中电气、机械故障都可能会引起开关的拒动,影响牵引供电可靠性。本文根据接触网网上隔离开关常见性故障,指出了故障形成原因,并给出了消除故障的方法以及防止故障频发的改进措施。

A single opening and closing of the isolator on the OCS network involves the participation of multiple links including electrical,mechanical and telematics equipment.The electrical and mechanical faults during the operation of the isolator on the OCS network may cause the switch to refuse operation and affect the reliability of traction power supply.Accor ding to the comm on faults of the isolator switch on the cate nary n etwork,this pape r points out the causes of the faults,and gives the methods to eliminate the faults and the improvement measures to prevent the frequent failures.