The rotor copper losses, in a synchronous motor, are met by

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
• When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop
• 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
• A synchronous motor can develop synchronous torque
• A synchronous motor can be used as a synchronous capacitor when it is
• Which of the following losses, in a synchronous motor, does not vary with load?
• Which of the following losses is not dissipated by the stator core surface in a synchronous motor ?
• In case one phase of a three-phase synchronous motor is short-circuited the motor will
• A synchronous motor is running on a load with normal excitation. Now if the load on the motor is increased