Conditions for parallel operation of transformer are ___

Multiple Choice Questions Electrical Machines MCQ
1

Conditions for parallel operation of transformer are:

  1. The same voltage ratio.
  2. The same per unit impedance.
  3. The same polarity.
  4. The same phase sequence.
  5. The relative phase displacement.

Which are the absolutely essential conditions?

A. 1,2,3,4 and 5.
B. 2,3 and 4.
C. 3,4 and 5.
D. 1,2 and 3.

Show Answer

Answer: C

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