Electrical Machines Questions and Answers – Synchronous Machine Stability
Hunting and Damper Windings
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The satisfactory operation of the synchronous machine means
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The damper winding are placed in
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Damper winding should have
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At synchronous speed, relative speed between rotating air-gap flux and damper is
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Effects of hunting are/is
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Turbo generators do not use damper winding due to
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When an alternator is loaded suddenly the torque produced in damper is?
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Using a _____ can be used to limit hunting
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Variation of load angle delta, after sudden loading of an unloaded synchronous motor with no damping is
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The relative speed between rotor and stator field is zero. This means
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Damper windings are made of
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Variation of load angle delta, with loading of an unloaded synchronous motor with damping is
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The probable causes of hunting is
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When the rotor speed becomes greater than synchronous speed, which type of torque is produced in damper winding?
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Employment of damper winding will reduce hunting.
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Hunting and Damper Windings
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