Delmar's Standard Textbook of Electricity (7th Edition)

Chapter 32

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Squirrel cage induction motor.Wound-rotor ... more

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Rotating magnetic field. ; Rotating magnetic field... more

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The speed at which the rotating magnetic field in ... more

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The synchronous speed depends on two factors:The ... more

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The voltages are out of phase with each other.All... more

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The strength of the stator's magnetic field.The ... more

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 No, a synchronous motor is different from an ... more

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A set of squirrel-cage bars that is similar to the... more

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The rotor of the synchronous motor will not turn ... more

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Synchronous motorInduction motora) It does not ... more

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The field-discharge resistor, when connected ... more

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It is because if the rotor were to turn at the ... more

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; The speed of the motor is given as and torque ... more

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; The speed of the motor is given as and torque ... more

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 Squirrel-Cage Induction motorWound- rotor ... more

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The starting torque is higher per ampere in the ... more

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The current flow in the rotor of the wound-rotor ... more

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It is because no torque is produced in the absence... more

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Because of the resistance connected in the rotor ... more

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When a synchronous motor runs without a load and ... more

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When the power factor is unity, it is known as ... more

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By increasing the excitation current above the ... more

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DC ; A three-phase synchronous motor does not ... more

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By varying the number of stator poles ; The ... more

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8 ; The frequency of the motor is , and the full ... more

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Not possibleIt is necessary to use a reduced ... more

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The delta connection of nine leads to a three-... more

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; Current is directly proportional to voltage. ... more

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