Three 1100/110 V transformers are connected AA and supply a lighting load of 120 kW. If one of these transformers is damaged and hence removed for repairs, what currents will be flowing in each transformer when (i) the three transformers were in service (ii) the two transformers are in service.

Three 1100/110 V transformers are connected AA and supply a lighting load of 120 kW. If one of these transformers is damaged and hence removed for repairs, what currents will be flowing in each transformer when (i) the three transformers were in service (ii) the two transformers are in service.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter28: Three-phase Transformers

Section: Chapter Questions

Problem 2PA

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Three 1100/110 V transformers are connected AA and supply a lighting load of 120 kW. If one of
these transformers is damaged and hence removed for repairs, what currents will be flowing in each
transformer when (i) the three transformers were in service (ii) the two transformers are in service.

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