201101-289无轴承同步词组.pdfVIP

中国科技论文在线 无轴承同步磁阻电机参数设计及有限元分 析# 李元飞，朱熀秋* （江苏大学电气信息工程学院，江苏镇江 212013 ） 摘要：本文在分析无轴承同步磁阻电机径向悬浮力产生原理基础上，针对无轴承同步磁阻电 机电磁转矩和径向悬浮力通过同一气隙磁场产生的特点，引入电机转矩系数Kred ，采用“气 隙磁场分析法”和“电机转矩系数迭代”对转矩绕组和悬浮力绕组优化设计，并给出无轴承 同步磁阻电机设计流程框图。设计了功率为1kW，额定转速为10000 r/min，最大径向悬浮 力为200N ，转矩绕组极对数为2 ，径向悬浮力绕组极对数为1 的无轴承同步磁阻电机实验 样机。有限元分析结果表明：设计的无轴承同步磁阻电机磁路和气隙磁场分布合理，且在转 矩绕组和悬浮力绕组分别通以额定电流4A 和1A 时，径向悬浮力为215N ，能够实现转子悬 浮，符合无轴承同步磁阻电机设计要求。 关键词： 无轴承同步磁阻电机；径向悬浮力；气隙磁场分析法；有限元分析 中图分类号：TM341 Parameter Design and FEM Analysis for Bearingless Synchronous Reluctance Motor LI Yuanfei, ZHU Huangqiu (School of Electrical and Information Engineering,Jiangsu University, Zhenjiang，Jiangsu 212013) Abstract: Based on analyzing generation principle of radial suspension forces in bearingless synchronous reluctance motor, aiming at the generation characteristic of radial suspension forces and output torque in the same air-gap magnetic field, and inducting of the motor’s torque factor, the air-gap magnetic field analysis method and the motor’ torque factor iteration are adopted to optimize radial suspension windings and torque windings, and design process diagram of bearingless synchronous reluctance motor is given.The prototype motor of rated power 1kW, rated speed 10000r/min and the maximal radial suspension force 200N is designed with pole-pair of torque windings 2 and pole-pair of radial suspension force windings 1 . The calculation and anlysis results by the fin