In the rotor voltage injection method, when an external voltage source is in opposite phase with the main voltage then speed will

Related MCQs

• In the rotor voltage injection method, when an external voltage source is in phase with the main voltage then speed will                        
• an external voltage source is in phase with the main voltage then speed will  
• The rotor of 3-phase slip ring induction motor is fed from a 3-phase supply with its stator winding short circuited having rotor rotating clockwise at a speed of Nr, then the
• The rotor injection method is a part of the slip changing technique.
• phase with the main voltage then speed will
• An 8-pole, 3-phase, 50 Hz induction motor is operating at a speed of 720 rpm. The frequency of the rotor current of the motor in Hz is  
• An 8-pole, 3-phase, 50 Hz induction motor is operating at a speed of 720 rpm. The frequency of the rotor current of the motor in Hz is                      
• A 2-pole, 3-phase,              Hz induction motor is operating at a speed of 550 rpm. The frequency of the rotor current of the motor in Hz is 2.
• A 50 Hz, 4poles, a single phase induction motor is rotating in the clockwise direction at a speed of 1425 rpm. The slip of motor in the direction of rotation & opposite direction of the motor will be respectively.
• What material is used in the tunnel of the rotor of the single phase induction motor?