Friday, October 14, 2011

How many types of colling system it transformers?

How many types of colling system it transformers?
Answer:1. ONAN (oil natural,air natural)
2. ONAF (oil natural,air forced)
3. OFAF (oil forced,air forced)
4. ODWF (oil direct,water forced)
5. OFAN (oil forced,air forced)

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