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Explain the term “synchronous running” with reference to a three phase system?

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Question ajoutée par Muhammad Usman , Assistant Manager Operations , Lahore Electric Supply Company
Date de publication: 2016/06/11
Ahmad Khan
par Ahmad Khan , Electrical Engineer , Qatar University

The rotating magnetic field in the stator and the rotating rotor are locked together and running at the synchronous speed [speed (rpm)=(120*frequency (Hz))/(number of poles)]. Unlike, the asynchronous machines the rotor is trying to catch the stator rotating field and if the rotor reaches the synchronous speed the torque reaches zero.

ali kadhum
par ali kadhum , project manager/ site engineer/ NETGATE Co. , NateGate Co.

 The rotating coming from two parts stator & rotor , there is rotating magnetic field with same current frequency generated by stator , and other magnatic field coming from rotor and according these changing fields produce the above running , depending on frequency .

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