Transformer Open and Maintenance

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    Dry-type transformers are usually

    air cooled with winding insulation

    of class A, B, C, or H.

    Liquid-type Transformer windings

    and core are totally immersed in a

    liquid contained in the transformer

    tank.

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    Dry-Type Transformer

    Self-cooled

    Force air cooled

    Liquid-TypeTransformer

    Force air cooled

    Self-cooled

    Forced air cooledand forced oil cooled

    Water cooled

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    Thank you!