In which of the following motors the stator and rotor magnetic field rotate at the same speed ?

Related MCQs

• In which of the following motors the stator and rotor fields rotate simultaneously ?
• The mechanical displacement of the rotor with respect to the stator, in polyphase multipolar synchronous motors running at full load, is of the order 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
• The maximum torque which a synchronous motor will develop at rest for any angular position of the rotor, at rated stator supply voltage and frequency, is known as
• The angle between the rotating stator flux and rotor poles is called _____ angle.
• When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop
• Which of the following losses is not dissipated by the stator core surface in a synchronous motor ?
• While starting a salient pole synchronous motor by induction motor action and connecting field discharge resistance across field, starting and accelerting torque is produced by
• In a synchronous motor, the magnitude of stator back e.m.f. £& depends on
• In a synchronous motor, the magnitude of stator back e.m.f. Eb depends on