摘  要：研究双Y移30°六相PMSM双电机串联系统的SVPWM技术，分析该双电机串联系统的工作原理和六相逆变器的空间电压矢量分布情况，结合基于id=0的矢量控制策略，提出传统SVPWM和多维多相SVPWM技术，推导电压矢量作用时间的计算公式，讨论空间矢量工作平面的几种选择方法，并对比例法和比较法的工作平面选择方法进行仿真比较， 并在比例法下对两种SVPWM对该系统在不同转速下的运行性能进行比较研究，得出多维多相SVPWM是该串联系统更为有效的控制方法。
关键词：双Y移30°六相PMSM；双电机串联系统；传统SVPWM；多维多相SVPWM

Abstract:  The SVPWM strategy for dual Y shift 30° six-phase PMSM two-motor series-connected system was researched in this paper. The working principles of the series-connected system and space voltage vector distributing were proposed. Combining vector control strategy of id=0 the implementing methods of the conventional SVPWM and multidimensional multiphase SVPWM were presented. The calculating formulae of vector working interval were given. The choosing method of working plane for space vectors was discussed and simulated. The system operating performances of the two kinds of SVPWM based on proportional method of working plane were compared.
Key words:  dual Y shift 30°six-phase PMSM; two-motor series-connected system; conventional SVPWM; multidimensional multiphase SVPWM