an external voltage source is in 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                        
• In the rotor voltage injection method, when an external voltage source is in opposite phase with the main voltage then speed will
• 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
• A dc machine is run at rated speed in forward direction and then in backward direction. It is observed that, speeds of the rotation are different, then it leads to the conclusion of  
• A dc machine is run at rated speed in forward direction and then in backward direction. It is observed that, speeds of the rotation are different, then it leads to the conclusion of                    
• TOPIC 5.1 SPEED CONTROL OF THREE PHASE INDUCTION MOTOR
• 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 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.
• 1 SPEED CONTROL OF THREE PHASE INDUCTION MOTOR