What kVA Rating is Required for a Transformer

Answer: A. 150 kVA

kVA rating is required for a transformer that must handle a maximum load current of 15 A with a secondary voltage of 10 Kv is 150 KVA.

Solution

The volt-ampere rating of the transformer =load voltage × load currrent

The given voltage is 10 kV and the current is 15 A

Volt-ampere rating =15×10=150 KVA

For the transformer input kVA is equal to output KVA.

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