Switched reluctance motors (SRMs) are capable of operating at high speeds and high loads. The large back EMF results in the excitation winding current being demagnetized more slowly, which, in turn, reduces the efficiency and output of the motor system. This study proposes a novel individually demagnetization power converter (IDPC) specifically designed for SRMs to effectively use the demagnetization energy through an independent demagnetization circuit. Compared with traditional converters, the IDPC can accept direct current (dc) and high-frequency ac inputs while achieving fast demagnetization and energy recovery. The topology and working principle of the IDPC are analyzed in detail in this article using a three-phase 12/8 SRM as the research object. In addition, the influence of the winding demagnetization voltage on the negative torque during the demagnetization phase was studied, as well as the functional implementation and logic control strategy of the IDPC. Simulation and experimental results confirm the validity of the proposed topology and high-frequency ac drive characteristics, as well as their advantages in terms of efficiency, output capacity, and dynamic performance.


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    Titel :

    Design and Analysis of Individually Demagnetized Power Converter for Switched Reluctance Motors


    Beteiligte:
    Liu, Hemiao (Autor:in) / Chen, Hao (Autor:in) / Wang, Xing (Autor:in) / Gorbounov, Yassen (Autor:in) / Wheeler, Patrick (Autor:in) / Anuchin, Alecksey (Autor:in) / Demidova, Galina (Autor:in) / Korovkin, Nikolay (Autor:in) / Liudmila, Sakhno (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.06.2025


    Format / Umfang :

    3884634 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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