无刷双馈电机复合转子结构参数的优化设计

发布时间：2018-05-11 02:34

本文选题：无刷双馈电机 + 极弧系数　；参考：《电工技术学报》2014年01期

【摘要】：无刷双馈电机在变速恒频风力发电系统和变频节能驱动领域具有广阔的应用前景,其转子耦合能力是影响该种电机出力和功率密度的最重要因素。本文提出一种新型的隔磁磁阻和短路笼条相结合的复合转子结构形式。采用有限元分析法,深入分析了转子极弧系数、导磁层数、导磁层与非导磁层宽度比、有无短路笼条、短路笼条组数及短路笼条层数等结构参数对转子耦合能力的影响,得到了复合转子强耦合能力的结构尺寸。该种新型转子不仅结构简单、加工方便,而且具有强耦合能力和高转矩密度的优点,是无刷双馈电机最具应用潜力的新型转子之一,所研制的样机对转子的耦合能力进行了验证,论文研究工作为该种电机的新型转子设计提供了理论基础。
[Abstract]:The brushless doubly-fed machine has a broad application prospect in the field of variable speed constant frequency wind power generation system and variable frequency energy-saving drive. The rotor coupling ability is the most important factor that affects the output force and power density of this kind of motor. In this paper, a new type of composite rotor structure combining magnetoresistive resistance and short circuit cage bar is proposed. The effects of rotor pole arc coefficient, the width ratio of magnetic conduction layer to non-magnetic conduction layer, the number of short circuit cage bars, the number of short circuit cage strips and the number of short circuit cage layers on the coupling capacity of rotor are analyzed by finite element analysis. The structural dimensions of the strong coupling ability of the composite rotor are obtained. The new rotor is not only simple in structure, easy to process, but also has the advantages of strong coupling ability and high torque density. It is one of the most promising new type rotors for brushless doubly-fed machines. The coupling capability of the rotor is verified by the prototype, and the research work provides a theoretical basis for the new rotor design of the motor.
【作者单位】：沈阳工业大学电气工程学院;沈阳工程学院电力学院;
【基金】：国家自然科学基金(51277125、51277124) 博士点基金(20122102 110004) 教育部创新团队(IRT1072)资助项目
【分类号】：TM302

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