Modeling of Eccentric Rotor Dynamics in an Unbalanced Magnetic Field

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dc.contributor.authorGoroshko, Andrii
dc.contributor.authorZembytska, Maryna
dc.date.accessioned2024-07-03T07:10:00Z
dc.date.available2024-07-03T07:10:00Z
dc.date.issued2024-06
dc.description.abstractThe paper studies the dynamics of a three-phase induction motor with squirrel cage rotor, which has eccentricity of different kinds. For this purpose, a mathematical model of oscillations of a rigid rotor with mass eccentricity, which oscillates on two elastic supports, is established. The model is further extended to take into account the forces of unbalanced magnetic pull, which arise under static and dynamic magnetic eccentricity. A simulation model in Simulink/Simscape Multibody environment is created to solve the obtained nonlinear model. The simulation of induction motor dynamics is carried out and the vibration signals are analyzed in time and frequency domain. Vib ations caused by static magnetic eccentricity occur at twice the electrical frequency. Vibrations caused by dynamic eccentricity take the form of a rotor frequency signal modulated by a low frequency depending on the rotor precession. The model can be used for vibration diagnostics of motor rotor eccentricity.
dc.identifier.citationGoroshko, A., Zembytska, M. (2024). Modeling of Eccentric Rotor Dynamics in an Unbalanced Magnetic Field. In actual problems of modern science 2024. Proceedings of the 10th International Conference "X Ukrainian-Polish Scientific Dialogues", June 11-15 2024, p. 212-219
dc.identifier.issn978-83-938655-7-4
dc.identifier.urihttps://elar.khmnu.edu.ua/handle/123456789/16407
dc.language.isoen
dc.publisherKhmelnytskyi National University
dc.subjectsquirrel-cage induction motor
dc.subjectrotor eccentricity
dc.subjectUMP
dc.titleModeling of Eccentric Rotor Dynamics in an Unbalanced Magnetic Field
dc.typeСтаття
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