The low power factor of induction motor is due to
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Electrical Engineering · all questionsPolyphase Induction Motors
Polyphase Induction Motors
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The injected e.m.f. in the rotor of induction motor must have
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If any two phases for an induction motor are interchanged
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Slip of an induction motor is negative when
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The torque developed by a 3-phase induction motor least depends on
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The good power factor of an induction motor can be achieved if the average flux density in the air gap is
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The rotor of an induction motor runs at
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In Ns is the synchronous speed and s the slip, then actual running speed of an induction motor will be
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Which of the following component is usually fabricated out of silicon steel?
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Insertion of resistance in the rotor of an induction motor to develop a given torque
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The torque developed in the cage induction motor with auto-starter is
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The efficiency of an induction motor can be expected to be nearly
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