Electrical Engineering · Electrical Machines
Which of the following conditions must be satisfied regarding the phase displacement between primary and secondary voltages for the parallel operation of 3-phase transformers?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The phase displacement must be the same for all the transformers.✓
- 2The phase displacement can be of any value.
- 3The phase displacement must be different for each transformer.
- 4The phase displacement of the lowest-rating transformer should be exactly half of the highest-rating transformer.
Correct answer
The phase displacement must be the same for all the transformers.
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