Electrical Engineering ⇒ Topic : Principle of synchronous motor
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David
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PRINCIPLE OF OPERATION When the stator windings of a 3-phase synchronous motor are supplied with rated 3-phase voltage, a rotating field travelling at synchronous speed is set up. The synchronous speed is found from the relation Fig.(a). shows the locking of rotor field poles with unlike poles of stator field. The rotor then runs at the same 'speed as that of the stator field, i.e., Ns. Fig.(a). Operating principle of a synchronous motor | |
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