摘要
简要介绍了高速电动机和发电机的结构类型、设计特点、关键技术及研究现状.以高速永磁电机为例,重点阐述了高速转子的电磁与结构设计、转子强度与刚度分析、永磁体的保护方法、定子铁心与绕组的结构设计与电磁性能计算、高频与高速附加损耗计算、温升计算与冷却散热方式.此外还简要介绍了高速磁悬浮轴承的结构原理与控制方法、高速发电机和电动机的功率变换与控制技术,并对高速电机的发展趋向进行了展望.
Structure, design feature, key technology and research status of high speed electrical machines are summarized. Taking the high speed permanent magnet machines as an example, electromagnetic and structure designs of rotor, analysis of rotor strength and rigidity, protection of permanent magnets, electromagnetic design of stator core and winding, calculation of additional losses caused by high frequency and high speed, prediction of temperature rise and selection of cooling mode are mainly introduced. In addition, structure and control method of magnetically suspension bearings, power conversion and control technique of high speed motor and generator as well as their development tendency are discussed briefly.
出处
《沈阳工业大学学报》
EI
CAS
2006年第3期258-264,共7页
Journal of Shenyang University of Technology
基金
国家自然科学基金重点资助项目(50437010).
关键词
高速电机
永磁电机
电磁与机械设计
控制方法
发展趋势
high speed electrical machine
permanent magnet machine
electromechanical design
control method
development tendency
