This paper presents a nonintrusive method to automatically identify and compensate for current measurement errors in interior permanent magnet synchronous motor (IPMSM) drives. Each IPM motor has a distinct short-circuit current vs. speed characteristic, which is solely defined by its machine design. By controlling the IPM motor to operate at its steady-state short-circuit current during coasting down, all phases of the IPM motor can be safely short circuited using the inverter without introducing any current transients. Then the d-q axis currents measured by the inverter are compared with the known short-circuit characteristic of the IPM motor. The distortion pattern in the d-q axis currents contains all the information needed to correct for current sensor errors in IPMSM drives.


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    Titel :

    Current measurement gain tuning for interior permanent magnet synchronous motor (IPMSM) drives using controlled short circuit tests


    Beteiligte:
    Cheng, Siwei (Autor:in) / Wang, Dong (Autor:in) / Chen, Junquan (Autor:in)


    Erscheinungsdatum :

    2014-08-01


    Format / Umfang :

    584200 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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