The operating speed range of interior permanent magnet synchronous motor (IPMSM) is closely related to the motor parameters. Based on the mathematical model of the motor in d-q coordinate system, and fully considering the two constraints of actual operation: voltage limit ellipse and current limit circle, a control method of maximum torque per ample (MTPA) and flux weakening is proposed. In the low-speed region, the problem that the given value of d-q axis current in the MTPA control cannot be obtained is solved by using the curve segmentation fitting, and the given value of the d-q axis current at different speeds is obtained. In the high-speed area, the voltage loop is used to modify the MTPA instruction, and flux weakening control is realized. The experimental results show that the proposed MTPA and flux weakening control method in this paper can satisfy the rated operating state of IPMSM, improving the load capacity, broadening the speed range, and possessing excellent steady and dynamic performance.


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    Title :

    Design and Implementation of MTPA and Flux Weakening Control for IPMSM


    Additional title:

    Lect. Notes Electrical Eng.


    Contributors:
    Jia, Limin (editor) / Qin, Yong (editor) / Liang, Jianying (editor) / Liu, Zhigang (editor) / Diao, Lijun (editor) / An, Min (editor) / Du, Huiqing (author) / Yang, Sen (author) / Liu, Yuming (author) / Liu, Kefan (author)

    Conference:

    International Conference on Electrical and Information Technologies for Rail Transportation ; 2021 October 21, 2021 - October 23, 2021



    Publication date :

    2022-02-22


    Size :

    11 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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