A synchronous motor which works on a leading power factor and does not drive a mechanical load is called as

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
• If in a synchronous motor, driving a given mechanical load and drawing current at a leading power factor from constant voltage supply its field excitation is increased, its power factor
• If in a synchronous motor, driving mechanical load and drawing current at lagging power factor from constant voltage supply, its field excitation is increased, then its power factor
• A synchronous motor working at leading power factor can be used as
• The induced e.m.f. in a synchronous motor working on leading power factor will be
• A synchronous motor is running on a load with normal excitation. Now if the load on the motor is increased
• A synchronous motor connected to infinite bus-bars has at constant full load, 100% excitation and unity power factor. On changing the excitation only, the armature current will have
• If load (or torque) angle of a 4-pole synchronous motor is 6° electrical, its value in mechanical degrees is
• A synchronous motor has better power factor as compared to that of an equivalent induction motor. This is mainly because
• The power factor of a synchronous motor is better than that of induction motor because