HX_D3型电力机车自动过分相后主断路器自动闭合故障的分析与处理

Fault analysis and treatment of automatic closing of the main circuit breaker after the auto-passing phase separations for HX_D3 electric locomotive

通过查找分析和处理HXD3型0490号机车自动过分相后主断路器自动闭合故障,找出和谐型机车微机控制原理的逻辑关系与实际故障点之间的区别,为以后处理和谐型机车故障积累经验。

By fault analysis and treatment of automatic closing of the main circuit breaker after the autopassing phase separations for HX_D3 0490 electric locomotive,the difference between the logic control of the locomotive microcomputer and the actual fault points was found,which helps to accumulate experience of the troubleshooting for the HX locomotive.