Page No. 249
In which of the following motors the stator and rotor magnetic field rotate at the same speed?
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The efficiency of a properly designed synchronous motor will usually fall in range___________?
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The armature current of the synchronous motor has higher values for_____________?
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While starting a synchronous motor by induction motor action, field winding is usually_____________?
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Armature of a synchronous machine is____________?
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The power factor of a synchronous motor is better than that of induction motor because
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If one-phase of a 3-phase synchronous motor is short-circuited, motor will ______________?
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The maximum speed variation in a 3-phase synchronous motor is____________?
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