The invention discloses a switched reluctance motor variable winding driving system and an online soft switching method, and belongs to the field of online soft switching. The system comprises a controller, a driving module, a power converter and a variable winding module, the variable winding module provided by the invention can change the connection mode of each coil in the phase winding of theswitched reluctance motor on line. According to the invention, a switched reluctance motor driving topological structure with online winding series-parallel connection switching capability is combinedwith an online soft switching method; through the variable winding module, the connection mode of the phase windings of the switched reluctance motor is changed on line, so that the control of the phase inductance value is realized, and the optimization of the torque performance of the motor at a low speed and the performance improvement of the motor at a high rotating speed are effectively realized; on-line series-parallel connection switching and fault winding removal of a winding coil are carried out by utilizing an interval with zero phase current of the switched reluctance motor, so thaton-line soft switching is realized, and the speed adjustment range and the motor fault tolerance capability are expanded.

    本发明公开了一种开关磁阻电机变绕组驱动系统和在线软切换方法,属于在线软切换领域。系统包括控制器、驱动模块、功率变换器和变绕组模块;其中,所发明的变绕组模块可以在线改变开关磁阻电机相绕组中各个线圈的连接模式。本发明利用具有在线绕组串并联切换能力的开关磁阻电机驱动拓扑结构结合在线软切换方法,通过变绕组模块,在线改变了开关磁阻电机相绕组的连接方式,从而实现了相电感值的控制,有效实现了电机低速下的转矩性能的优化和高转速下的性能提升;利用开关磁阻电机相电流为零的区间进行绕组线圈的在线串并联切换以及故障绕组切除,实现了在线软切换,扩大了调速范围和电机故障容错能力。


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    Titel :

    Switched reluctance motor variable winding driving system and online soft switching method


    Weitere Titelangaben:

    一种开关磁阻电机变绕组驱动系统和在线软切换方法


    Beteiligte:
    GAN CHUN (Autor:in) / CHEN YU (Autor:in) / QU RONGHAI (Autor:in) / NI KAI (Autor:in)

    Erscheinungsdatum :

    2020-06-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen




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