Answer / k.prakashchandra

Loose connection inside and contamination of oil in case of
condenser type bushings.

Answer / malay kumar

THE MAIN POINT IS DUE TO EXCESSIVE HEAT, THE REASON MAY BE AS LOSS CONNECTION,CONTAMINATION OF TRF. OIL WITH MOISTURE,WITH NOT PROPER COOLING, AND EXCESSIVE LOAD.

Answer / karolson

Transformer bush failure causes include:
1:use of of improper conductor on termination
2:oveheating of transformer either due excessively load or failure of cooling system or internal fault.
3:loose connection on bush
4:oil spillage on bush
5:rust and moisture

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