Dry type transformer should be cut off immediately in case of the following symptoms. If the power supply is not cut off, the dry-type transformer is dangerous and damaged. We have to deal with it right now. If you encounter any of the above situations, you should be careful to avoid danger.

1。 The dry-type transformer burned. In this case, the dry-type transformer must be stopped immediately.
2。 If the sleeve of dry-type transformer is damaged and discharged, stop immediately and check by experts.
3。 Smoke from tanks and safe passages of dry-type transformers.
4。 Dry type transformer is the oil of carbon, oil color changes too much, stop checking.
Five. The internal noise of dry-type transformer is big and explosive. It must be stopped immediately to prevent dangerous accidents.
6。 Under normal load and cooling conditions, the oil temperature of dry-type transformer is abnormal and still rising.
Due to the characteristics of simple structure, convenient maintenance, fire prevention and fire resistance of dry-type transformer, it began to be produced in China at the end of 1950s, and began mass production in recent 10 years. There are many kinds of dry-type transformers. There are mainly impregnated insulation dry-type transformer and epoxy resin insulation dry-type transformer.