EXAMIANS
The synchronous speed of a 3-phase induction motor having 20 poles and connected to a 50 Hz source is _____
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The rotor of induction motor
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A 3 phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is _______
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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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The condition of induction motor at stand still resemble those of a transformer whose secondady is _______
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3-phase wound rotor morors are also called _____ motors.
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The rotor winding of a 3phase wound rotor induction motor is generally _______ connected.
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The low power factor of induction motor is due to
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If the frequency of 3-phase supply to the stator of a 3-phase induction motor is increased, then synchronous speed ______
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The advantage of wound rotor motor is that _______
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