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Rotor flux oriented control of a symmetrical six-phase induction machine

机译：对称六相感应电机的转子磁通定向控制

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摘要

Basic concepts of six-phase ac motor drives have been in existence for a number of years and were considered extensively in the eighties for safety-critical and/or high power applications. There has been an upsurge in the interest in these drives in recent times, initiated by various application areas, such as 'more-electric' aircraft, electric ship propulsion and EV/HVs. All the existing work considers an asymmetrical six-phase ac machine, with two sets of three-phase windings shifted in space by 30° (dual three-phase, split-phase, double star). In contrast to this general trend, a symmetrical six-phase induction machine, with spatial displacement between any two consecutive phases equal to 60°, is discussed in this paper. A vector control algorithm, based on indirect rotor flux orientation, is at first briefly described. Special attention is paid next to the current control issue, from the point of view of the minimum number of current controllers. An overview of the experimental test bench that utilises phase current control in the stationary reference frame is further given. Attainable performance is analysed experimentally and the results are presented for a number of operating regimes, including acceleration, deceleration, reversing and step loading/unloading transients. It is demonstrated that the achievable quality of high performance is excellent, while the standard benefits of the multiphase motor drives are retained.
机译：六相交流电动机驱动器的基本概念已经存在了很多年，并且在八十年代被广泛考虑用于安全关键型和/或大功率应用。近年来，由各种应用领域引起的对这些驱动器的兴趣激增，例如“更多电动”飞机，电动船舶推进器和EV / HV。现有的所有工作都考虑使用不对称的六相交流电机，其中两组三相绕组在空间中错开30°（双三相，分相，双星）。与这种总体趋势相反，本文讨论了对称的六相感应电机，其任意两个连续相之间的空间位移等于60°。首先简要介绍了基于间接转子磁通方向的矢量控制算法。从电流控制器的最小数量的角度来看，在电流控制问题旁边要特别注意。还给出了在固定参考系中利用相电流控制的实验测试台的概述。通过实验分析了可达到的性能，并给出了多种运行状态的结果，包括加速，减速，换向和步进加载/卸载瞬变。事实证明，可实现的高性能品质非常出色，同时保留了多相电动机驱动器的标准优点。

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