Where is the Buchholz relay physically mounted in an oil-immersed transformer installation?
AInside the conservator tank
BAt the bottom of the main oil tank
CIn the pipe connecting the main tank and the conservator tank
DOn top of the high-voltage bushings
Explanation
The Buchholz relay is installed in the connecting pipe between the main transformer tank and the conservator tank to trap rising gas bubbles caused by internal faults.

No Comments