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
• 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
• A 6-pole lap wound DC generator has a developed power of P watts and brush voltage of E volts. Three adjacent brushes of the machine had been found worn out and got open circuited. If the machine is operated with the remaining brushes, voltage and power that could be obtained from the machine are                    
• 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                    
• (II) If a large 3–phase squirrel-cage induction motor with no load is started at full voltage, it will be damaged.
• A single-phase half wave voltage controller consists of
• TOPIC 5.1 SPEED CONTROL OF THREE PHASE INDUCTION MOTOR