Multiphase open-end winding permanent magnet synchronous motor (OEW-PMSM) has many advantages, such as high power density, reduced torque ripples and high reliability. However, the dual inverter system with common DC bus has a zero-sequence path and causes the zero-sequence circuiting current. The zero-sequence current (ZSC) produces system losses and torque ripples. In order to achieve a high performance of the motor, the model of a five-phase OEW-PMSM is built. The model contains the zero-sequence component, which does not exist in conventional PMSM model. Then a vector proportional integral controller is designed to suppress the ZSC in the system. The simulation and experiment results prove that the vector proportional integral controller has a good performance of suppressing the ZSC.


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    Title :

    A Zero-sequence Current Suppression strategy for Five-phase Open-end Winding PMSM with Vector Proportional Integral Controller


    Contributors:


    Publication date :

    2022-10-28


    Size :

    348930 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English