Design and Experimental Evaluation of a High Specific Power Permanent Magnet Synchronous Machine

2019 IEEE International Electric Machines & Drives Conference (IEMDC) Pub Date : 2019-05-01 DOI:10.1109/IEMDC.2019.8785246

Longya Xu, Hongyu Wang, Han Xiong, Ziwei Ke, Julius Woo, Julia Zhang, Sheng Dong

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引用次数: 11

Abstract

As a learning step to gain experience in designing high specific power electric machines for demanding applications such as aircraft propulsion, this paper presents research results in the design, fabrication, and experimental testing of a scaled-down 300-kW electric machine. With advanced structure and materials, this machine achieves an active-material specific power of 14.4 kW/kg and an electromagnetic efficiency of 99.2% under full load condition using finite element analysis. The mechanical integrity of the rotor is fully validated at the rated speed of 17, 000 rpm in finite element analysis. The fabricated machine prototype is mounted onto a 350-hp dynamometer for comprehensive performance characterization. The efficiency of the machine prototype is mapped based on the experimental measurements under various operating conditions. In this paper, the electromagnetic analysis, trade-offs at the design stage, mechanical stability considerations, and experimental testing results are summarized and presented in detail.

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大功率永磁同步电机的设计与实验评价

作为一个学习的步骤，以获得设计高比功率电机的经验，要求应用，如飞机推进，本文介绍了研究成果的设计，制造和实验测试的缩小300kw电机。该机结构先进，材料先进，经有限元分析，在满负荷工况下，有效物质比功率达到14.4 kW/kg，电磁效率达到99.2%。转子的机械完整性在额定转速17000转/分的有限元分析中得到充分验证。制造的机器原型安装在350马力的测功机上，以进行综合性能表征。根据不同工况下的实验测量结果，绘制了样机的效率图。本文对电磁分析、设计阶段的权衡、机械稳定性考虑和实验测试结果进行了详细的总结和介绍。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2019 IEEE International Electric Machines & Drives Conference (IEMDC)

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