Communications - Scientific Letters of the University of Zilina 2025, 27(4):C70-C77 | DOI: 10.26552/com.C.2025.053

Modelling of Dynamic States of Five-Phase Induction Motor

Pavel Záskalický ORCID...*, Daniela Perduková ORCID..., Jan Kaňuch ORCID...
Faculty of Electrical Engineering and Informatics, Technical University of Kosice, Kosice, Slovakia


In this paper is presented a mathematical model of a five-phase induction motor with a cage rotor and a stator coils connected to a star. In constructing the mathematical model, It is assumed that the motor is fed from a five-phase frequency converter with an ideal harmonic waveform of the output supply voltage. It is considered that the motor operates in an open control loop with the ability to control the frequency and amplitude of the supply voltage. The basic voltage equations in a two-phase coordinate system coupled to a stator are derived, as well as the relation for the electromagnetic moment. Based on the parameters measured on a real motor, a dynamic model was implemented in Matlab-Simulink environment. Using the dynamic model, various motor operating states were simulated, such as frequency ramp-up, speed reversal, or operation at super-nominal frequencies.

Keywords: induction motor, mathematical model, five-phase motor, MATLAB Simulink, dynamic states
Grants and funding:

This work was supported by project APVV-19-0210, project VEGA 1/0363/23 and by the EU Next Generation EU through the Recovery and Resilience Plan for Slovakia under the project No. 09I05-03-V02-00018.

Conflicts of interest:

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Received: June 19, 2025; Accepted: September 18, 2025; Published: October 7, 2025  Show citation

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Záskalický, P., Perduková, D., & Kaňuch, J. (2025). Modelling of Dynamic States of Five-Phase Induction Motor. Communications - Scientific Letters of the University of Zilina, 27(4), C70-77. doi: 10.26552/com.C.2025.053
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