What Is The General Service Life Of A Dry-type Transformer?

The service life of general dry-type transformers is 10-15 years, and the key reason that endangers its service life is temperature. Because dry-type transformers cause very high temperatures during operation, if the transformer winding insulation layer withstands poor temperature characteristics, it is very easy to cause the insulation layer to be destroyed, causing the transformer to not be able to work normally, thus jeopardizing the use of the transformer life. If the dry-type transformer is in overload operation for a long time, its service life is also very harmful. The insulating layer material of the transformer is generally resistant to higher temperatures without being destroyed, but when the temperature exceeds a certain value or when the time is too long, it will quickly become brittle and destroyed. The long-term normal operation time of the transformer under the rated current and rated value is related to the working temperature, the load condition before the load, the heat rejection condition of the insulating layer of the dry-type transformer, and the steady-state value of hot. If the dry-type transformer is overloaded and operated beyond the time it can be set up, it will cause the transformer to be destroyed and endanger its service life.