Кафедра фізики і електротехніки

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https://elar.khmnu.edu.ua/handle/123456789/577

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  • Ескіз
    Документ
    Analysis of Unbalanced Induction Motor Rotor Forces in Bearings with Clearances
    (Israeli independent academy of development of science, Holon, Israel, 2024-11) Goroshko, Andrii; Zembytska, Maryna
    The paper analyzes the influence of unbalanced rotor forces of induction motor on the operation of bearings with clearances. A mathematical model considering mechanical unbalance and static magnetic unbalance is developed in the paper. The results of modeling showed that the joint action of these factors leads to unstable operation mode of bearings and accelerated wear. The unbalance factor depends on the static eccentricity angle and the instantaneous value of the trunnion rotation angle. The obtained results can be used to optimize the design of induction motors and to develop methods of diagnostics of their condition.
  • Ескіз
    Документ
    Simulation of induction motor vibrations under the Influence mechanical and magnetic eccentricit
    (2023-12) Goroshko, Andrii; Zembytska, Maryna
    The paper analyzes the influence of unbalanced rotor forces of induction motor on the operation of bearings with clearances. A mathematical model considering mechanical unbalance and static magnetic unbalance is developed in the paper. The results of modeling showed that the joint action of these factors leads to unstable operation mode of bearings and accelerated wear. The unbalance factor depends on the static eccentricity angle and the instantaneous value of the trunnion rotation angle. The obtained results can be used to optimize the design of induction motors and to develop methods of diagnostics of their condition.