六相单绕组无轴承磁通切换电机转矩及悬浮力直接控制

摘要/Abstract

摘要： 六相单绕组无轴承磁通切换电机利用一套绕组实现电机转子悬浮旋转,但是采用传统的电流闭环控制策略存在滞后性。研究一种利用逆变器电压矢量直接控制转矩及悬浮力的方法。该方法在机电能量转换平面控制定子磁链,实现转矩和悬浮力直接控制。仿真模型验证了该控制策略的有效性。

关键词: 无轴承磁通切换电机, 单绕组结构, 电压矢量, 直接悬浮力控制, 直接转矩控制

Abstract: Six-phase single winding bearingless flux switching permanent magnet motor (BFSPMM) uses a set of windings to realize rotor suspension and rotation. A method of controlling torque and suspension force directly by inverter voltage vector was studied. The method can control the stator flux linkage in the electromechanical energy conversion plane and realize the direct control of torque and suspension force. The simulation model was built based on Matlab/Simulink to verify the effectiveness of the proposed control strategy.

Key words: bearingless flux switching permanent magnet motor(BFSPMM), single winding, voltage vector, direct suspension force control, direct torque control

中图分类号:

TM351

黄政凯, 周扬忠, 吴鑫, 陈垚. 六相单绕组无轴承磁通切换电机转矩及悬浮力直接控制[J]. 微特电机, 2021, 49(2): 1-6.

HUANG Zheng-kai, ZHOU Yang-zhong, WU Xin, CHEN Yao. Direct Control of Torque and Suspension Force for Six-Phase Single Winding Bearingless Flux-Switching Permanent Magnet Motor[J]. Small & Special Electrical Machines, 2021, 49(2): 1-6.

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