ISRO Electrical Engineering (EE) 2013 - Question 20

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As compared to Δ – Δ bank, the capacity of the V –V bank of transformers is ---- percent.

  • A. 57.7
  • B. 66.7
  • C. 50
  • D. 86.6

Answer: A. 57.7

Explanation: V-V capacity is 1/√3 = 57.7 % of the Δ-Δ bank rating.

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