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What are the losses in the transformer? Explain why the rating of transformer in KVA not in KW.

written 3.5 years ago by teamques10 ★ 67k

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analog electronics

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written 3.5 years ago by teamques10 ★ 67k

Losses in a transformer are:

(1) Iron losses: Due to setting of hysteresis and eddy current in iron core.

(2) $C_u$ losses: Due to resistance of primary and secondry windings.

Transformers are rated in kVA and not in kW because load on them may vary and hence power factormay vary too.

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