摘要
车载取力发电系统主要采用电励磁无刷爪极电机作为发电机,针对电励磁无刷爪极发电机励磁损耗大、功率密度低的问题,将“混合励磁”的原理引入爪极电机,进行混合励磁无刷爪极发电机的设计与验证。首先,阐述了混合励磁电机的磁场调节原理,并论述了其结构特点和磁通路径。然后,结合三维有限元仿真,对比分析了混合励磁无刷爪极发电机和电励磁无刷爪极发电机的磁场调节特性和全转速范围内的带负载能力。最后,进行了样机的制造和实验验证。实验结果表明,混合励磁无刷爪极发电机具有励磁电流小、功率密度大、低速性能好等优点,为其在车载取力发电系统上的工程应用提供了理论支持和实验依据。
Vehicle power generation system mainly uses electric excitation brushless claw pole motor as generator.Aiming at the problems of high excitation loss and low power density of electric excitation brushless claw pole generator,the principle of“hybrid excitation”is introduced into the claw pole generator to design and verify the hybrid excitation brush⁃less claw pole generator in this paper.Firstly,the magnetic field regulation principle of hybrid excitation motor is de⁃scribed,and its structure characteristics and magnetic flux path are discussed.Then,combined with three⁃dimensional fi⁃nite element simulation,the magnetic field regulation characteristics and load capacity over the full speed of hybrid excita⁃tion brushless claw pole generator and electric excitation brushless claw pole generator are compared and analyzed.Finally,the prototype is manufactured and verified by experiment.The experiment results show that the hybrid excitation brushless claw pole generator has the advantages of low excitation current,high power density and good low speed performance,which provides theoretical support and experimental basis for its engineering application in power generation system.
作者
邢立华
王雷
曹清
宋玉晶
XING Li⁃hua;WANG Lei;CAO Qing;SONG Yu⁃jing(Beijing Institute of Aerospace Micro⁃Electromechanical Technology,Beijing 100094;Beijing Institute of Aerospace Control Devices,Beijing 100039)
出处
《导航与控制》
2023年第1期83-90,共8页
Navigation and Control
关键词
混合励磁
爪极发电机
三维有限元分析
磁场调节
hybrid excitation
claw pole generator
three⁃dimensional finite element analysis
magnetic field regula⁃tion
