If load (or torque) angle of a 4-pole synchronous motor is 6° electrical, its value in mechanical degrees is

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
• The coupling angle or load angle of synchronous motor is defined as the angle between the
• In a synchronous motor running with fixed excitation, when the load is increased three times, its torque angle becomes approximately
• The torque angle, in a synchronous motor, is the angle between
• 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
• 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
• In a 3-phase, 4-pole, 50 Hz synchronous motor, the frequency, pole number and load torque all are halved. The motor speed will be
• A synchronous motor can develop synchronous torque
• The ratio of starting torque to running torque in a synchronous motor is
• A synchronous motor is running on a load with normal excitation. Now if the load on the motor is increased