Research of two-phase excitation and stator winding mode of switched reluctance motor
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摘要: 以4/6极三相开关磁阻电动机和6/8极四相开关磁阻电动机为研究对象，分析了三相、四相开关磁阻电动机的绕组布置结构和相间连接方式对两相同步励磁下的磁场以及转矩脉动和平均转矩的影响，给出了8种典型组合模式下两相同步励磁工作的电动机转矩特性，指出三相反向绕组、各相独立连接模式，三相正向绕组、相间星形连接模式，四相反向绕组、各相独立连接模式和四相反向绕组、相间星形连接模式下的两相同步励磁能够降低转矩脉动和提高平均转矩。Abstract: The paper took 4/6 poles three-phase switched reluctance motor and 6/8 poles four-phase switched reluctance motor as study objects, analyzed influence of winding structure and phase connection way of three-phase and four-phase switched reluctance motor on magnetic field, torque ripple and average torque under two-phase excitation, gave motor torque characteristics of two-phase excitation under eight typical combination modes, and pointed that two-phase excitation under modes of three-phase reverse winding with independent connection of each phase, three-phase positive winding with star connection of each phase, four-phase reverse winding with independent connection of each phase and four-phase reverse winding with star connection of each phase could reduce torque ripple and improve average torque.
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Keywords:
- switched reluctance motor /
- two-phase excitation /
- stator winding /
- average torque /
- torque ripple
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