Electrical Engineering · Synchronous Machines
In a synchronous generator (alternator), what does 'field failure' refer to?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Overheating of the step-up transformer connected to the generator
- 2Loss of DC excitation voltage/current supplied to the rotor field winding✓
- 3Mechanical decoupling of the prime mover turbine
- 4A short circuit fault inside the stator armature windings
Correct answer
Loss of DC excitation voltage/current supplied to the rotor field winding
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