What are the inspection items for dry-type transformers?
Nov 13, 2021
What are the normal inspection items for dry-type transformers?
(1) Is the sound of the dry-type transformer normal?
(2) Whether the oil color and oil level in the oil conservator and the oil-filled casing are normal, and whether there is oil leakage
(3) Whether the housing on each side is damaged, whether there are discharge traces or other abnormal phenomena
(4) Whether the cooling device is operating normally
(5) Whether the upper oil temperature gauge is correct and whether there is any abnormality
(6) Whether the diaphragm of the explosion-proof tube is intact and whether there is fluid accumulation
(7) The degree of discoloration of the selenium gel in the respirator
(8) Whether the gas relay is full of oil
(9) Whether there is leakage or oil leakage in the body and its accessories
(10) Whether the pile heads and connecting wires of each side casing are heated or discolored
(11) Whether the surrounding environment and stacked materials near the dry-type transformer may threaten the safe operation of the dry-type transformer.
