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Answer :

The function of conservator in a transformer is to take care of the expansion and contraction of transformer oil due to the variation of the temperature of surroundings.

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Answer :

The main function of conservator tank of transformer is to provide adequate space for expansion of oil inside the transformer.

Function of Conservator Tank of a Transformer

When transformer is loaded and when ambient temperature rises, the volume of oil inside transformer increases. A conservator tank of transformer provides adequate space to this expanded transformer oil. It also acts as a reservoir for transformer insulating oil.
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Answer :

conservator or a reservoir tank for insulating oil in transformer which used for balanced the onload oil level with help of oil level indicator which mount on middle part of reservoir tank.
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