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How can we reverse the direction of rotation of synchronous motor?

1 Answer

By reversing supply phase sequence we can reverse the direction of rotation of synchronous motor.

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Answer : When  you  reverse  current  direction  in  an  electromagnet,  the magnetic  poles  will  also  change.

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Description : A synchronous motor has better power factor as compared to that of an equivalent induction motor. This is mainly because?

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Answer : A synchronous motor running with normal excitation adjusts to load increases essentially by increase in armature current.

Answer : In case one phase of a three-phase synchronous motor is short-circuited the motor will not start.

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Answer : Synchronous motor has more efficiency.

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Answer : The maximum value of torque angle in synchronous motor is 90 degrees electrical.

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