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A 2000/1000/500 three winding transformer is to be used as auto transformer with supply of 3000 V. Two loads of 1050 kVA at 3500V and other one at 180 kVA at 1000V. The total kVA supplied will be?

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A 2000/1000/500 three winding transformer is to be used as auto transformer with supply of 3000 V. Two loads of 1050 kVA at 3500V and other one at 180 kVA at 1000V. The total kVA supplied will be?

(a) 1230 kVA

(b) 1440 kVA

(c) 1680 kVA

(d) 1150 kVA

The question was posed to me in final exam.

Asked question is from Parallel Operation of Single Phase Transformers in chapter Transformers of Electrical Machines

1 Answer

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Best answer
Right option is (a) 1230 kVA

The best explanation: Total kVA = 1050+180 = 1230 kVA.

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