State any two characteristics of a shell type transformer.

State any two characteristics of a shell type transformer.
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1 Answer

Answer :

1. The core surrounds a considerable portion of the windings. 2. Natural cooling is poor since the windings are placed on the central limb only. 3. More economical for low voltage transformer. 4. It provides a double magnetic circuit. 5. When the coils are to be withdrawn for repairs, a large number of laminations are to be dismantled. 6. As the windings are placed on the central limb, it provides better mechanical protection to the windings.
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