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Synchro System |
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synchro system [′siŋ·krō ‚sis·təm]
(electricity) An electric system for transmitting angular position or motion; in the simplest form it consists of a synchro transmitter connected by wires to a synchro receiver; more complex systems include synchro control transformers and synchro differential transmitters and receivers. Also known as selsyn system. Synchro System a multimotor electric drive that effects a matched rotation of two or more mechanisms that are not coupled mechanically. The most widely used type of synchro system has two actuating motors (D1 and D2 in Figure 1) that are coupled to two running machines by shafts (1 and 2) and to two asynchronous electric motors (A1 and A2). The stator windings of the electric motors are connected to a three-phase current system, and their rotor windings are interconnected by means of slip rings. If shafts (1) and (2) are rotating nonsynchronously, the configuration shown for motors D1, D2, A1, and A2 provides a synchronizing torque that equalizes the rotational speed of the shafts, achieving, as it were, an elastic coupling between the two running machines. ![]() Figure 1. Synchro system: (1 and 2) the shafts of the running machines, (D1, and D2 electric motors of the running machines, (A1, and A2) asynchronous electric motors Synchro systems with miniature asynchronous motors are of great practical value in synchronous communication systems, where they are used as a link between components of automatic equipment. REFERENCESergeev, P. S. Elektricheskie mashiny. Moscow-Leningrad, 1962.M. D. NAKHODKIN 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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