1. Dry type transformer is on fire, in this case, dry-type transformer must be stopped immediately
2. Once the bushing of dry-type transformer is found to be seriously damaged and discharged, it shall be stopped immediately and inspected by professional personnel
3. The oil pillow and safety airway of dry transformer spray smoke
4. The carbon and oil color change in the oil of dry-type transformer need to be stopped for inspection
5. The internal noise of dry-type transformer is very loud and there is explosion sound. It is necessary to stop the transformer immediately to prevent the occurrence of dangerous accidents
6. Under the condition of normal load and cooling, the oil temperature of dry-type transformer is abnormal and the oil temperature is rising continuously
When these symptoms occur, the dry-type transformer needs to be cut off immediately. If it is not cut, it will be life-threatening and will damage the dry-type transformer. We need to solve it immediately. If any of the above events are encountered, we should handle them carefully to avoid danger!