Synchronous motors are

Related MCQs

• A synchronous motor installed at the receiving end substation operates with such an excitation that it takes power at lagging power factor. Now if the applied voltage of the synchronous motor goes down, the power factor of the synchronous motor will
• Synchronous motors are generally not self-starting because
• Mostly, synchronous motors are of
• The standard full-load power factor ratings for synchronous motors are
• 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
• For power factor correction, synchronous motors operate at
• A synchronous motor can develop synchronous torque
• A synchronous motor can be used as a synchronous capacitor when it is
• When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop
• In which of the following motors the stator and rotor magnetic field rotate at the same speed ?