The study aims to show the influence of selected mechanical parameters of the rotor on the maximum speed and parameters of the electric motor.

    Design/methodology/approach

    A simplified mechanical analysis of the rotor of the electric motor was conducted, determining the safety factor of the motor. An analysis of the impact of key rotor parameters (significant from the mechanical strength perspective) on the electromagnetic parameters and the safety factor of the selected high-speed electric motor was carried out. The influence of changes in the rotor’s geometrical dimensions (centrifugal force) on the electromagnetic parameters of the electric motor was shown.

    Findings

    The study shows the impact of changes in selected rotor parameters on electromagnetic parameters and the safety factor of a high-speed electric motor (at its required operating point of 45,000 rpm). The dependence of the safety factor as a function of the maximum motor speed was determined for the proposed rotor modifications.

    Practical implications

    The proposed modifications can be used in larger drive systems. They have practically no impact on increasing the value of the motor’s moment of inertia (they do not degrade the dynamics of the motor’s operation).

    Originality/value

    It was proposed to use a new design coefficient which is in relation to the motor’s safety coefficient. It has been shown that a minimal modification of the motor rotor allows to increase its maximum speed by several dozen per cent (while maintaining the safety factor). It has also been shown that when operating at maximum speed within the safe range, the change in the geometrical dimensions of the rotor hardly influences the change in the value of the centrifugal force.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Analysis of the mechanical limitations of the selected high-speed electric motor


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2023-09-01


    Format / Umfang :

    12 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




    Design Limitations: Operating Limitations the Safety of High Speed Craft

    Simpson, M. / Bryce, R. / Royal Institute of Naval Architects | British Library Conference Proceedings | 1997


    High railroad speed with an electric motor

    Crosby, O.T. | Engineering Index Backfile | 1891


    Operating Limitations for High-Speed Craft

    Blyth, A.G. / Royal Institution of Naval Architects | British Library Conference Proceedings | 2006


    High railroad speed with an electric motor

    Crosby, O.T. | Engineering Index Backfile | 1891


    High railroad speed with an electric motor

    Crosby, O.T. | Engineering Index Backfile | 1891