Which of the following parameters of induction motor varies inversely as the supply freq

Related MCQs

• If the supply freq of an induction motor is increased by 5%, the synchronous speed will
• A 6pole, 3-ph induction motor is runs at a speed of 960rpm & the shaft torque is 135.7Nm. Calculate the rotor cu loss if the friction and windage losses amount to 150W. The suppy freq is 50Hz.
• Two of the supply terminals to a 3-phase induction motor get interchanged during reconnection after normal maintenance. When switched on to supply, the motor will
• A wound rotor induction motor can be distinguished from a squirrel cage induction motor by
• A 4-pole, 3-phase induction motor is running at 4 percent slip at full load. If the speed of the motor is 720 rpm, the supply frequency is
• A 3 phase induction motor connected from a 3 pjhase, 50Hz AC supply runs at 720rpm and has slip 4%. The number of poles in motor are _____.
• A 3-phase , 50 Hz , 4-pole squirrel cage induction motor has its stator rewound for 6 poles without any alternations in the rotor. The motor would now run at a speed
• A 4 pole, 440V, 50Hz induction motor is running at a slip of 4%. The speed of motor is ____.
• A 3-phase ,400 V, 4-pole induction motor is fed from a 3-phase, 400V, 50 Hz supply and runs at 1440 rpm. The frequency of rotor emf is
• If the input voltage and the frequency of supply is halved, to the 3-phase induction motor