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Is there need of transformer oil in all transformers?

Answer:
No not really only some do :D

Answer


For transformers used in transmission and distribution systems, yes. Transformer oil is necessary for cooling and insulation purposes, enabling the 'footprint' of an oil-filled transformer to be smaller, and its rating to be higher, compared with those not filled with oil.
First answer by ID2050745793. Last edit by Awaygood. Contributor trust: 66 [recommend contributor recommended]. Question popularity: 2 [recommend question].

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