A 3-phase 440 V, 50 Hz induction motor has 4% slip. The frequency of rotor e.m.f. will be

Related MCQs

• A 500 kW, 3-phase, 440 volts, 50 Hz, A.C. induction motor has a speed of 960 r.p.m. on full load. The machine has 6 poles. The slip of the machine will be
• 5 H.P., 50-Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest ?
• When /?2 is tne rotor resistance, .X2 the rotor reactance at supply frequency and s the slip, then the condition for maximum torque under running condi-tions will be
• Slip ring motor is preferred over squirrel cage induction motor where
• In an induction motor, no-load the slip is generally
• In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be
• The number of slip rings on a squirrel cage induction motor is usually
• Slip of an induction motor is negative when
• The shape of the torque/slip curve of induction motor is
• The stating torque of the slip ring induction motor can be increased by adding