Transformer Specification say 66/11KV, 23/27/35MVA OFDAN,what is OFDAN? we kno

Transformer Specification say 66/11KV, 23/27/35MVA
OFDAN,what is OFDAN? we know ONAN,ONAF or OFAF

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Transformer Specification say 66/11KV, 23/27/35MVA OFDAN,what is OFDAN? we know ONAN,ONAF or OFAF..

Answer / mihir

ONAN-OIL NATURAL AIR NATURAL
ONAF- oil natural air forced
ofaf-oil forced air forced

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Transformer Specification say 66/11KV, 23/27/35MVA OFDAN,what is OFDAN? we know ONAN,ONAF or OFAF..

Answer / k.prakashchandra

OD - oil direct is common.OFD probably means -Oil forced
direct.

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