permanent magnet machine meaning in English
永磁电机
Examples
- Mathematical model and speed modulation system for multi - phase permanent magnet machine
多相永磁电机的数学模型及其调速系统的研究 - With the development of modern permanent magnet ( pm ) machine to high speed , high efficiency , high power density and micromation , the limitation of traditional rare earth pm machine is exhibited , such as higher ripple - free torque , higher losses , lower open - circuit magnetic field , etc . halbach motor , a new type permanent magnet motor , first proposed by american scholar klause halbach , has been studied very widely . halbach motor has higher magnetic field , usually as 1 . 4 times as that of traditional rare earth permanent magnet machine , which attributes to higher power density
Halbach永磁电机是由美国学者klausehalbach提出后一直被广泛研究的一种新型永磁电机，和普通永磁电机相比其优越性有：气隙磁密比一般永磁电机可增大40 ，从而可有效提高电机的功率密度；固有的正弦分布磁场，可为电机设计和加工带来便利，降低成本；自屏蔽效应，转子可不再需要为磁路提供闭合回路，这为转子的选材提供了较大的空间。 - In the dissertation , a novel hybrid excitation constant voltage synchronous generator is adopted to improve the system performance , which takes the advantages of both electrical excitation and permanent magnet machines . a parted configuration is presented in order to design the structure of the generator . the adaptive digital adjustment is settled in principle using the single chip microcomputer 80c31 as the control core of the voltage regulator and adopting the proportion - integral - differential control as the control arithmetic , then a sample is made
论文对同步发电机的工作原理、性能特点、电机本体以及电压调节器的硬件和软件设计进行了研究，针对稀土永磁同步发电机变载、变转速情况下输出电压不可调的不足之处，采用一种新颖的电机型式? ?自适应复合励磁恒压同步发电机，综合了永磁发电机和电励磁发电机的优点，提出一种磁路分开的结构进行电机本体的设计，并选用单片机80c31作为电压调节器的控制核心，比例?积分?微分控制( pid )作为其控制算法，从原理上较好地解决了其电压的自动数字调节，并试制了一台样机。 - In this dissertation , a novel drive system used in electromotion chair , rare earth permanent magnet brushless direct current machine ( repm bldcm ) drive system is proposed , which is provided background by ministry of nation science and technology " shiwu " programming momentous critical item - rare earth application project item - direct current brushless superior reliability rare earth permanent magnet machines
本论文以国家科技部“十五”重大攻关项目? ?稀土应用工程项目之直流无刷高可靠稀土永磁电机为研究背景，结合课题要求，进行了充分的市场调研，确定了论文研究的主要内容为电动座椅用稀土永磁无刷直流电动机驱动系统。