Electrical Engineering · Synchronous Machines
In an alternator supplying a zero leading power factor load, the armature reaction is purely magnetizing. To maintain the terminal voltage at its rated value, what adjustment must be made?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Decrease the DC field excitation current✓
- 2Increase the DC field excitation current
- 3Increase the speed of the prime mover
- 4Increase the operational frequency
Correct answer
Decrease the DC field excitation current
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