Electrical Engineering · Electrical Machines
Which of the following is correct with reference to the phasing-out test on transformers?
- 1This test is carried out only on 1-phase transformers to identify the primary and secondary winding.
- 2This test is carried out only on 3-phase transformers to identify primary and secondary windings belonging to the same phase.✓
- 3This test is carried out both on 1-phase and 3-phase transformers to identify the primary and secondary winding.
- 4This test is carried out both on 1-phase and 3-phase transformers to identify the high-voltage winding.
Correct answer
This test is carried out only on 3-phase transformers to identify primary and secondary windings belonging to the same phase.
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