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Transformer HWK help plzz

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Thread Starter

oussama123443

Joined Nov 2, 2014
27
the question i need help with guys is "

Three single phase step-up transformers rated at 40 MVA, 13.2 kV/80 kV are connected in DELTA-WYE on a 13.2 kV transmission line. If they feed a 90 MVA load, calculate the following:

1. The secondary line voltage

2. The currents in the transformers windings

3. The incoming and outgoing transmission line currents
 
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