The maximum power developed in a synchronous motor occurs at a coupling angle of
When the stator windings are connected in such a fashion that the number of poles are made half, the speed of the rotor of a synchronous motor
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In which of the following motors the stator and rotor magnetic field rotate at the same speed ?
The angle between the rotating stator flux and rotor poles is called _____ angle.
A 3-phase synchronous motor is running clockwise. If the direction of its field current is reversed
Due to which of the following reasons a synchronous motor fails to pull into synchronism after applying D.C. field current?
When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop
23 videos|89 docs|42 tests
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23 videos|89 docs|42 tests
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