What Inspection and Treatment Should Be Done After Transformer Automatic Trip?

1.After the automatic trip of the transformer, the operator should carry out systematic treatment, that is, put in the standby transformer, adjust the operation mode and load distribution, and maintain the operating system and its equipment in normal condition.

2.Check what kind of protection action and whether the action is correct.

3.Understand whether the system has faults and the nature of faults.

4.In the following cases without external inspection test power once: personnel collision, misoperation and protection misaction; Only low-voltage overcurrent or time-limited overcurrent protection action, at the same time the next level of tripping transformer equipment failure and its protection does not action, and the fault point has been isolated.

5.If it is differential, gas protection or quick overcurrent protection and other protective action, and there is impact when the fault, it is necessary to carry out a detailed inspection of the transformer and its system, power failure and insulation measurement. It is forbidden to put the transformer into operation before the cause is found out or properly handled.