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Speed Control of Induction Motors Using Proposed Closed Loop Volts/Hertz Control Scheme

19th International Middle East Power Systems Conference (MEPCON • 2017
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Publication Information
Authors O. E. M. Youssef; A. Shaltout
Keywords Induction motor; volts/hertz (V/Hz) control; closed loop
Journal 19th International Middle East Power Systems Conference (MEPCON
Publisher Not Available
Volume Not Available
Issue Not Available
Pages pp. 533─537
publication.type International
Paper Link Open Link
Supplementary Materials Not Available
Abstract
Volts/hertz (V/Hz) control of three-phase induction motor is popular control method, although of low dynamic performance, because of its simplicity and low cost. Closed loop system, including an appropriate controller, is used to obtain a good speed control. Proportional-integral (PI) controller is
commonly used, and good design of this controller requires an
accurate mathematical model of the system. Another controller
is the fuzzy logic controller, where linguistic rule base, based on
human expertise, is used. Therefore, obtaining a good controller may violate the simplicity of V/Hz control system. In this paper, a simple V/Hz control system is proposed. The control method is straight forward and does not depend on accurate mathematical models or human expertise.