容错能力强的高扭矩双三相永磁游标机

IF 4.4 2区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY
YuWen Xu, Bo Wang, RongXin Wang, Ming Cheng, Wei Hua
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引用次数: 0

摘要

人们提出并研究了各种电机拓扑结构中的场调制效应。其中,永磁游标机(PMVM)因扭矩密度高、结构简单而得到了深入研究。然而,永磁游标机在容错方面的性能却很少被提及。本文提出了一种具有隔离同心绕组的新型双三相容错永磁发电机。得益于场调制效应,永磁发电机能以低永磁通量产生高转矩。低永磁通量还意味着在短路情况下故障电流较小。因此,永磁发电机具有固有的良好容错能力,而不会牺牲转矩性能。采用两个独立的三相模块化绕组来提高冗余度。为了实现物理和电气隔离,每个绕组都由一个标准的三相逆变器控制。通过有限元分析评估了拟议机器的健康性能和容错能力,并通过实验测试进行了验证。结果推断了其在健康条件和各种故障情况下(包括开路、短路和匝间短路条件)的优势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A high torque dual 3-phase permanent magnet vernier machine with strong fault-tolerance

The field modulation effect has been proposed and investigated in various electric machine topologies. Among them, permanent magnet vernier machines (PMVMs) have attained intensive research due to the high torque density and simple structure. However, the performance of PMVMs in terms of fault tolerance is seldom mentioned. This article proposes a novel dual 3-phase fault-tolerant PMVM with segregated concentric windings. Benefiting from the field modulation effect, the PMVM can generate high torque with low PM flux. The low PM flux also implies small fault currents in the short-circuit case. Therefore, the PMVM exhibits inherent good fault-tolerant capability without sacrificing torque performance. Two independent 3-phase modular winding sets are adopted to improve redundancy. To realize the physical and electrical isolation, each winding set is controlled by a standard 3-phase inverter. The healthy performance and fault tolerance of the proposed machine are evaluated by finite element analysis and verified by experimental tests. The results infer its advantages in healthy conditions and various fault scenarios, including open-circuit, short-circuit, and interturn short-circuit conditions.

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来源期刊
Science China Technological Sciences
Science China Technological Sciences ENGINEERING, MULTIDISCIPLINARY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
8.40
自引率
10.90%
发文量
4380
审稿时长
3.3 months
期刊介绍: Science China Technological Sciences, an academic journal cosponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China, and published by Science China Press, is committed to publishing high-quality, original results in both basic and applied research. Science China Technological Sciences is published in both print and electronic forms. It is indexed by Science Citation Index. Categories of articles: Reviews summarize representative results and achievements in a particular topic or an area, comment on the current state of research, and advise on the research directions. The author’s own opinion and related discussion is requested. Research papers report on important original results in all areas of technological sciences. Brief reports present short reports in a timely manner of the latest important results.
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