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how many types of colling system it transformers?
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Answer Posted / salai bawi ding
1.NAN (Natural Oil,Natural Air) Cooling
2.ONAF (Natural Oil,Force Air) Cooling
3.OFAF (Force Oil,Force Air) Cooling
4.OFWF (Force Oil,Force Water) Cooling
5.ODAF (Direct Oil,Force Air) Cooling
6.ODWF (Direct Oil,Force Water) Cooling
7.OFAN (Force Oil, Natural Air) Cooling
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