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An Experimental Assessment of Open-Phase Fault-Tolerant Virtual-Vector-Based Direct Torque Control in Five-Phase Induction Motor Drives

机译:五相感应电动机驱动器中基于开相容错虚拟矢量的直接转矩控制的实验评估

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摘要

Direct torque control (DTC) has been recently used for the development of high-performance five-phase induction motor (IM) drives, where normal operation of the system has been usually considered and the ability of DTC to manage the situation has been analyzed in comparison with different rotor-field-oriented control (RFOC) strategies. The exploitation of fault-tolerant capabilities is also an interesting issue in multiphase machines, where the utility of RFOC controllers has been stated when the open-phase fault operation is considered. In this paper, the performance of DTC and RFOC controllers based on proportional resonant regulators and predictive control techniques is compared when an open-phase fault appears in a five-phase IM drive. Experimental tests are provided to compare the performance of the system using these control alternatives.
机译:直接转矩控制(DTC)最近已用于开发高性能五相感应电动机(IM)驱动器,在该驱动器中通常考虑系统的正常运行,并且在2004年分析了DTC处理这种情况的能力。与不同的转子磁场定向控制(RFOC)策略进行比较。容错能力的利用在多相电机中也是一个有趣的问题,在考虑了缺相故障操作时,已经说明了RFOC控制器的实用性。在本文中,比较了当五相IM驱动器中出现断相故障时,基于比例谐振调节器和预测控制技术的DTC和RFOC控制器的性能。提供了实验测试,以比较使用这些控制替代方案的系统性能。

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