牵引变电所主变自投程序涉及多台断路器和隔离开关,各种电气、机械故障会引起开关拒动导致自投失败,结合日常检修试验中的经验,全面收集分析主变自投过程中常见的故障和解决措施,积累经验,提高应急处置水平。 Main transformer traction substation involved multiple circuit breaker and isolation switch, a variety of electrical and mechanical failure will cause the switch to refuse to lead to failure due to failure, combined with routine maintenance test experience, comprehensive collection and analysis of the main transformer from the vote process Common failures and solutions to accumulate experience and improve the level of emergency response.