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Why are transformers rated in KVA?

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Why are transformers rated in KVA?

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The Copper loss(I2R) occurs due to the flow of the current in the transformer winding and the Iron or core loss occurs due to the voltage. These losses do not depend on the power factor so that is why the transformer rating in KVA not KW. These are the Three Reasons Why Transformer is Rated in KVA.

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