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http://dx.doi.org/10.5370/JEET.2011.6.5.626

A Study on Fast Maximum Efficiency Control of Stator-Flux-oriented Induction Motor Drives  

Shin, Myoung-Ho (Dept. of Electrical Engineering, Seoul National University of Science and Technology)
Publication Information
Journal of Electrical Engineering and Technology / v.6, no.5, 2011 , pp. 626-633 More about this Journal
Abstract
This paper presents a novel maximum efficiency control scheme for convergence improvement in stator-flux-oriented induction motor drives. Three input powers are calculated at three different flux levels, respectively. A quadratic curve is obtained using the quadratic interpolation method using the three points. The flux level at the lowest point of the interpolated curve is calculated, which is not the real minimum input power of the motor, but an estimated one. Hence, the quadratic interpolations are repeated with three new points chosen using the selection method for new points for refitting until the convergence criteria are satisfied. The proposed method is verified by simulation results.
Keywords
Maximum efficiency control; Quadratic interpolation; Induction motor drive; Search controller;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
Times Cited By Web Of Science : 0
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