The purpose of using short-circuit gear is
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Electrical Engineering · all questionsPolyphase Induction Motors
Polyphase Induction Motors
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Insertion of reactance in the rotor circuit
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The maximum torque in an induction motor depends on
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The shaft of an induction motor is made of
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The number of slip rings on a squirrel cage induction motor is usually
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A squirrel cage induction motor is not selected when
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Slip ring motor is recommended where
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If a 3-phase supply is given to the stator and rotor is short circuited rotor will move
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Lubricant used for ball bearing is usually
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For which motor the speed can be controlled from rotor side?
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5 H.P., 50Hz, 3-phase, 440 V, induction motors are available for the following r.p.m. Which motor will be the costliest?
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In the squirrel-cage induction motor the rotor slots are usually given slight skew
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Temperature of the stator winding of a three phase induction motor is obtained by
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In case of the induction motors the torque is
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An induction motor is
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The torque of an induction motor is
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The 'crawling' in an induction motor is caused by
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The crawling in the induction motor is caused by
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In case the air gap in an induction motor is increased
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For driving high inertia loads best type of induction motor suggested is
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