17. Transformers operating in parallel will share the load depending upon their-
A. Rating
B. Per unit impedance.
C. Leakage reactance.
D. None of above

If two transformers connected in parallel operation with similar per unit impedances, they will mostly share the load of their KVA ratings.
The equivalent leakage impedance (ohms) should be inversely proportional to their respective KVA ratings. In other words, the per unit leakage impedance of the transformer based on their own KVA ratings must be equal. If per unit impedances are not same then, loading will not be in the ratio of their kVA ratings.

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Most Important Transformer MCQ

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