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首页> 外文会议>Annual IEEE Applied Power Electronics Conference and Exposition;APEC 2013 >Post-fault control technique for multi-phase PM motor drives under short-circuit faults
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Post-fault control technique for multi-phase PM motor drives under short-circuit faults

机译：短路故障下多相永磁电动机驱动器的故障后控制技术

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In this paper, a post-fault control technique is proposed for multi-phase permanent-magnet (PM) machine drives under short-circuit faults. Purpose of the proposed fault-tolerant control (FTC) is to find a general closed-form solution for healthy phase currents under steady-state post-fault conditions. Healthy phase currents are found through an optimization problem which tries to produce ripple-free output torque with minimum ohmic losses. A five-phase PM machine is used as an example to investigate validity of the proposed solutions through finite-element-analysis (FEA) and experimental tests. Proposed method is a great tool to evaluate fault-tolerant capability of different designs for drive system in terms of maximum available ripple-free torque and power losses. Thanks to its simplicity and flexibility, It is also well-suited for real-time implementation.
机译：本文针对短路故障下的多相永磁电机驱动器，提出了一种故障后控制技术。提出的容错控制（FTC）的目的是为稳态故障后条件下的健康相电流找到一种通用的封闭形式解决方案。通过优化问题可以找到健康的相电流，该问题试图以最小的欧姆损耗产生无脉动的输出转矩。以一台五相永磁电机为例，通过有限元分析（FEA）和实验测试来研究所提出的解决方案的有效性。所提出的方法是一种评估驱动系统不同设计的容错能力的有效工具，可以最大程度地利用无脉动转矩和功率损耗。由于它的简单性和灵活性，它也非常适合实时实施。

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