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Synchronous Speed |
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synchronous speed [′siŋ·krə·nəs ′spēd]
(electromagnetism) The speed of rotation of a magnetic field in a synchronous machine; in revolutions per second, it is equal to twice the frequency of the alternating current in hertz, divided by the number of poles in the machine. Synchronous Speed the common value of the speed for a group of objects moving in synchronism. When the speed of any object deviates from this value, the object is said to fall out of synchronism or to slip relative to the other objects. The quantity known as slip is the quotient obtained when the difference between the synchronous speed and the speed of a slipping object is divided by the synchronous speed. In electrical engineering, the synchronous speed of a synchronous machine is the rotational speed equal to the quotient of the AC frequency in the winding divided by the number of pole pairs. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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