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Open-Circuit Fault-Tolerant Control of Five-Phase PM Machine Based On Current Space Vectors

机译:基于电流空间矢量的五相永磁电机开路容错控制

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In this paper, open-circuit fault-tolerant current control for a five-phase permanent magnet (PM) machine is proposed based on adding an additional current(s) to the current space vectors (SV) of the remaining healthy phases. According to the principle, new current sets are derived by adding an additional current component to each remaining healthy phase to maintain a smooth total torque by obtaining the same resultant rotating current SV. The remaining but modified healthy phase currents are obtained for a single-phase, adjacent double-phase and non-adjacent double-phase open-circuit fault conditions. The proposed fault-tolerant control strategy is validated by finite element analysis (FEA). This new fault-tolerant control method can be applied to any multi-phase PM machine.
机译:在本文中,基于在剩余健康相的电流空间矢量(SV)上增加一个或多个额外电流,提出了一种五相永磁(PM)电机的开路容错电流控制。根据该原理,通过将额外的电流分量添加到每个剩余的健康相中来获得新的电流组,以通过获得相同的合成旋转电流SV来保持平滑的总转矩。对于单相,相邻双相和不相邻的双相开路故障情况,可获得剩余但已修改的健康相电流。所提出的容错控制策略已通过有限元分析(FEA)进行了验证。这种新的容错控制方法可以应用于任何多相永磁电机。

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