Research Article | OPEN ACCESS
Optimization of Three-phase Squirrel Cage Induction Motor Drive System Using Minimum Input Power Technique
1Mohammad Jawabreh, 2Lutfi Al-Sharif and 3Rateb Issa
1Department of Mechanical Engineering
2Department of Mechatronics Engineering, Faculty of Engineering and Technology,
the University of Jordan, Amman 11942, Jordan
3Department of Mechatronics Engineering, Faculty of Engineering Technology, Al-Balqa Applied University, Amman 11942, Jordan
Research Journal of Applied Sciences, Engineering and Technology 2015 5:507-515
Received: May 11, 2015 | Accepted: July 2, 2015 | Published: October 15, 2015
Abstract
The efficiency of induction motor drives operating under variable conditions can be improved by predicting the optimum flux that minimizes the losses. In this study, a Loss-Minimization Controller (LMC) and a Search Controller (SC) are combined. The output from the controllers would drive the field oriented control inverter in order to achieve the optimum flux in the motor that minimizes the losses. For this purpose, a mathematical model for calculating the total power losses as a function of magnetic flux and a factor to obtain feedback as a function of optimum flux were discussed. An LMC-SC vector-controlled induction motor drive system was modelled, simulated and tested. The results have validated the effectiveness of this system in minimizing the motor operating losses, especially at light and medium loads. The proposed controller can be implemented in adjustable speed induction motor drive systems with variable loads, operating below rated speed.
Keywords:
Flux vector control, flux, induction motor, loss minimization controller, optimization, search controller, variable speed drive,
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Competing interests
The authors have no competing interests.
Open Access Policy
This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Copyright
The authors have no competing interests.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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