An over excited synchronous motor is used for

Related MCQs

• When load on an over-excited or under excited synchronous*motor is increased, rate of change of its armature current as compared with that of power factor is
• 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
• An over-excited synchronous motor takes
• When the field of a synchronous motor is under-excited, the power factor will be
• A synchronous motor can be used as a synchronous capacitor when it is
• An important advantage of a synchronous motor over wound round induction motor is that
• A synchronous motor can develop synchronous torque
• 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
• As the load is applied to a synchronous motor, the motor takes more armature current because