A pump induction motor is switched on to a supply 30% lower than its rated voltage. The pump runs. What will eventually happen? It will . . . . . . . . .?
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Electrical Engineering · all questionsPolyphase Induction Motors
Polyphase Induction Motors
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The circle diagram for an induction motor cannot be used to determine
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Short-circuit test on an induction motor cannot be used to determine
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The torque of a rotor in an induction motor under running condition is maximum
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What will happen if the relative speed between the rotating flux of stator and rotor of the induction motor is zero?
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In three-phase induction motors sometimes copper bars are placed deep in the rotor to
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The speed characteristics of an induction motor closely resemble the speed-load characteristics of which of the following machines
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Step-less speed control of induction motor is possible by which of the following methods?
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The starting torque of a 3 phase squirrel cage induction motor is
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When the equivalent circuit diagram of double squirrel-cage induction motor is constructed the two cages can be considered
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Insertion of resistance in the stator of an induction motor
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In a star-delta starter of an induction motor
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The shape of the torque/slip curve of induction motor is
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The auto-starters (using three auto transformers) can be used to start cage induction motor of the following type
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In squirrel cage induction motors, the rotor slots are usually given slight skew in order to
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In a three-phase induction motor
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In the circle diagram for induction motor, the diameter of the circle represents
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In a squirrel cage motor the induced e.m.f. is
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Size of a high speed motor as compared to low speed motor for the same H.P. will be
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In an induction motor, no-load the slip is generally
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