A two-winding 220 V/110 V, 1.5 kVA transformer is reconnected as a ___

A two-winding 220 V/110 V, 1.5 kVA transfomier is reconnected as a 220/3 30 V autotransformer, It is re-rated as:

A. 3.88 kVA
B. 4.488 kVA
C. 1.58 kVA
D. 2.258 kVA

Show Answer

Answer: B

Share your understanding of this question with the correct explanation.