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SYNCHRONOUS MOTORS QUIZ

An over excited synchronous motor behaves as _____

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In a 3-phase synchronous motor, the negative phase sequence exists when the motor is

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The back emf in the stator of a synchronous motor depends on

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A synchronous motor runs at speed ranging from ______

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A rotary converter can also be run as a

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When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____

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An important advantage of a synchronous motor over wound round induction motor is that

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Change of D.C. excitation of a synchronous motor changes

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If one phase of a 3 phase synchronous motor is short circuited, motor

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The operating speed of a synchronous motor can be changed to new fixed value by

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