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The research aims to compare the performance of IE2 and IE4 induction motors to assess their efficiency and operational benefits.

July 9, 2026Applied SciencesOpen Access

IE2 to IE4 Transition of Induction Motors for Sustainable Industry: Electromagnetic Performance, Loss Breakdown, Experimental Validation and Cost Analysis

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Randomized trial evaluates efficiency and performance of IE2 vs. IE4 motors, highlighting benefits for sustainability.

The research aims to compare the performance of IE2 and IE4 induction motors to assess their efficiency and operational benefits.
Developed two-dimensional transient electromagnetic models using ANSYS Maxwell.
Performed prototype testing to validate numerical results per IEC 60034-2-1 standards.
Conducted economic assessment based on a representative duty cycle.
The IE4 motor showed lower total losses and reduced torque ripple compared to the IE2 motor.
Experimental data confirmed that the IE4 motor has superior load-handling capabilities with stronger starting and breakdown torque.
Economic analysis revealed that the additional cost of the IE4 motor can be recouped within approximately 0.81 years.

Suli et al. (2026) studied this question.

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