Electrical Engineering · Electrical Machines
Which of the following conditions is NOT necessary for the parallel operation of three-phase alternators?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The phase angle of the two systems should be equal at the instant of synchronization
- 2The frequency of the two terminal voltages should be almost equal
- 3The terminal voltage of the running machine should be double that of the incoming machine✓
- 4The phase sequence of the incoming machine should be similar to that of the busbar
Correct answer
The terminal voltage of the running machine should be double that of the incoming machine
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