Transformer cooling method ONAN/ONAF, DNAN/OFAF, ONAN/ONAF/OFAF
ONAN/ONAF=ONAN(Oil Natural Air Natural)
ONAF (Oil Natural Air forced
Indicates that the transformer is equipped with a fan, and when the load is large, the fan is put into operation. in two cold
In the cooling mode, the oil flow is c...