Answer / rvg

if we are not concerned about the initial investment, the
best method for cooling such transformer is nitrogen
cooling or hygrogen cooling.

But this method is too costlier and having best overall
efficiency.

Answer / zahid ali

If it is oil immersed & equipped with radiators than It may
cooled with forced air by introducing fans, If you want to
enhanced it's effeciency more than introduced Forced Oil by
using pump & circulating oil continously.

Answer / g.v.suresh kumar

AIRCOOLING OR OILCOOLING

Answer / parth belani

It can be cooled with following methods
Oil natural Air natural (ONAF)
Oil natural air forced (ONAF)
Oil forced Air forced (OFAF)

Answer / ajit

ONAN, ONAF, WATER COOLING

Answer / vinod sharma

A 100MVA T/F MAY BE COOLED WITH FORCED LUBRICATION FORCED
COOLED. IT MEANS THAT COOLING OIL IS CIRCULATED WITH MOTOR
AND THIS AREA IS COOLED WITH FORCED COOLING FANS.

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