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Sir,
Would you mind to share with me,please?How long does it take a service life of Cast resin Dry type Transformer ?Insulation class F and H
Thank you..
e-mail:atlanrich72@gmail.com
Depends on the Manufacturer. Please check with different Transformer manufactures.
Transformer like these can have a service life of up to 25 years. It all depends on the condition of its insulator.
It is recommended to have its preventive maintenance done yearly especially if more that 10 years in service.
A typical preventive maintenance includes Insulation resistance test, and polarization index.
Hope this helps.