When one transformer is removed from a Δ-Δ bank of 30 kVA transformer, the ___

When one transformer is removed from a Δ-Δ bank of 30 kVA transformer, the capacity of the resulting 3-phase transformer in V-V connection will be:

A. 11.5 kVA
B. 17.3 kVA
C. 20 kVA
D. 25.9 kVA

Show Answer

Answer: B

Share your understanding of this question with the correct explanation.