Squirrel cage I.M.motor has skewed rotor bar to help to produce constant --- .

Related MCQs

• 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 wound rotor induction motor can be distinguished from a squirrel cage induction motor by
• the squirrel cage I.M. has ------- starting torque.
• Squirrel cage I.M. motor suffers from disadvantage of -- starting torque.
• A squirrel cage induction motor is favoured when ……………….. is the main consideration.
• The speed of rotating field due to rotor currents relative to rotor surface in an induction motor is
• There is no electrical connection between stator and rotor, still power is transffered from stator to rotor through
• The rotor standstill resistance and reactance of an induction motor are 0.5Ω and 2.5Ω hence the rotor impedance at 5% slip is____.
• A 3 phase indution motor is running with slip of 4% hving synchronous speed of 1500rpm. If rotor induced emf per phase in standstill condition is 115.47V and rotor impedance in standstill condition is 0.1+j1 Ω then torque developed ia____.
• A 4 pole, 50Hz , 3 phase I M is running at 1425rpm on full load having rotor impedance per phase on standstill as 0.4+j2Ω. The external resistance required in the rotor per phase to get maximum torque at start is ___.