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Saturday, 7 May 2016

why oil is used in transformer

why oil is used in transformer


     Transformer oil helps cool the transformer. Because it also provides part of the electrical insulation between internal live parts, transformer oil must remain stable at high temperatures for an extended period. To improve cooling of large power transformers, the oil-filled tank may have external radiators through which the oil circulates by natural convection. Very large or high-power transformers may also have cooling fans, oil pumps, and even oil-to-water heat exchangers.

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