AccScience Publishing / IJOCTA / Volume 16 / Issue 3 / DOI: 10.36922/IJOCTA026110039
RESEARCH ARTICLE

Design of adapted induction motors for variable-capacity ventilation systems

Markhabat Sakitzhanov1* Viktor Petrushyn2 Nurgul Almuratova1 Kakimzhan Gali1 Juriy Plotkin3
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1 Department of Electrical Power Engineering, Institute of Energy and Green Technologies, Almaty University of Power Engineering and Telecommunications, Almaty, Kazakhstan
2 Department of Electromechanical Engineering, Institute of Electrical Engineering and Electromechanics, Odessa Polytechnic National University, Odessa, Ukraine
3 Department of Electrical Engineering, Faculty of Cooperative Studies, Berlin School of Economics and Law, Berlin, Germany
IJOCTA 2026, 16(3), 1126–1141; https://doi.org/10.36922/IJOCTA026110039
Received: 12 March 2026 | Revised: 21 April 2026 | Accepted: 27 April 2026 | Published online: 25 May 2026
© 2026 by the Author(s). This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution -Noncommercial 4.0 International License (CC-by the license) ( https://creativecommons.org/licenses/by-nc/4.0/ )
Abstract

The aim of this study is to develop an energy-efficient design approach for adjustable-speed induction motor drives used in variable-capacity ventilation systems. For such applications, the use of induction motors tailored to specific operating conditions is essential. Motor optimization based on an efficiency cri-terion was performed using the DIMASDrive software (a specialized induction motor design tool), and the complete drive system was modeled in the MAT-LAB/Simulink environment. Based on the optimization and simulation results, a novel discounted cost criterion evaluated over the full operating speed range of variable-capacity ventilation loads is proposed. The criterion accounts not only for capital costs and energy efficiency, but also for the costs of reactive power and distortion power compensation, thereby reflecting both the energy performance and electromagnetic compatibility of the drive with the supply network—aspects not explicitly addressed in previously reported criteria. Structural and parametric optimization based on the proposed criterion resulted in a 19.5% reduction in the criterion value compared to a design optimized solely by the efficiency criterion, demonstrating the effectiveness and practical relevance of the proposed approach for energy-efficient drive design in ventilation applications.

Graphical abstract
Keywords
Adjustable-speed induction motor drive
Ventilation system
MATLAB/Simulink modelling
DimasDrive software
Adapted induction motor
Discounted cost criterion
Funding
None.
Conflict of interest
The authors declare they have no competing interests.
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An International Journal of Optimization and Control: Theories & Applications, Electronic ISSN: 2146-5703 Print ISSN: 2146-0957, Published by AccScience Publishing