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Vol.14, No.3, August 2025. ISSN: 2217-8309 eISSN: 2217-8333
TEM Journal
TECHNOLOGY, EDUCATION, MANAGEMENT, INFORMATICS Association for Information Communication Technology Education and Science |
Towards Energy Efficiency at Induction Motors-Technical and Economic Aspects
Vasilija Sarac, Dragan Minovski, Petar Janiga, Sara Aneva
© 2025 Vasilija Sarac, published by UIKTEN. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. (CC BY-NC-ND 4.0)
Citation Information: TEM Journal. Volume 14, Issue 3, Pages 1917-1927, ISSN 2217-8309, DOI: 10.18421/TEM143-01, August 2025.
Received: 13 December 2024. Revised: 16 July 2025.
Abstract:
Induction motors account for forty percents of the world’s electricity consumption and for almost seventy percents of total electricity consumption in industry. Therefore, several technical aspects of the construction of induction asynchronous motors—specifically motor length, diameter, and the number of conductors in the stator slots—are analysed, and the impact of each parameter on motor efficiency is examined individually Furthermore, the effect of replacing aluminium rotor bars with copper bars on motor efficiency is examined. The effect of efficiency increasing on electricity savings in correlation to motor operating hours is presented. In addition, a comparative analysis is conducted between the asynchronous motor model exhibiting the highest efficiency and a synchronous line-start motor constructed with identical design parameters. Adequate conclusions on usage of energy efficient motors instead of motors with lower efficiency and their impact on electricity savings are derived.
Keywords – Energy efficiency, induction motor, electricity savings, motor design parameters. |
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