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A new method using two triacs for control of single-phase induction motor

โœ Scribed by M. A. Abdel-halim; I. K. Kamal

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
602 KB
Volume
6
Category
Article
ISSN
1430-144X

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โœฆ Synopsis

Among the conventional methods there is no one method by which single-phase induction motors can be started, speed-controlled and reversed. The paper develops a new method for controlling single-phase induction motors with two symmetrical stator windings by placing two bidirectional solid-state switches (triacs), one in series with the main winding and the other with the auxiliary winding. Such a connection will peqorm all the required jobs namely: starting, speed control and reversing the direction of rotation. A motor representation in the d, q, 0 reference frame is presented. A state-space mathematical model has been developed to describe the system taking care of the discontinuities introduced by the triacs. Computer results for transient and steadystate conditions are presented. Also, experimental verification has been done.

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