In the paper, the reasons of neutral-point potential fluctuation are discussed. It gives a three-level inverter direct torque control way based on fixation complex vector.
分析了中点电位波动的原因,并给出了基于固定合成矢量的三电平逆变器直接转矩控制方法。
参考来源 - 三电平逆变器直接转矩控制的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Let B be a complex vector space generated by some simple closed curves in the annulus.
设B是一个复的向量空间，它是由环链在平环上的简单闭曲线生成。
It is a complex vector which have obvious heterogeneity of the distribution in space and a variability with time.
它是一个复合向量，具有明显的空间分布的非均一性和随时间变化的非定常性。
The mechanical model of the dynamic analysis of quick-return mechanism in the planer is established by complex vector method.
运用复矢量法建立了刨床急回机构动态静力分析的力学模型。
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