基于场路结合模型的深槽式单相直线感应电机特性研究.pdfVIP

第 29 卷 第 18 期 中 国 电 机 工 程 学 报 Vol.29 No.18 Jun. 25, 2009 2009 年 6 月 25 日 Proceedings of the CSEE ©2009 Chin.Soc.for Elec.Eng. 89 文章编号：0258-8013 (2009) 18-0089-05 中图分类号：TM 359 文献标志码：A 学科分类号：470⋅40 基于场路结合模型的 深槽式单相直线感应电机特性研究 卢琴芬，叶云岳 (浙江大学电气工程学院，浙江省 杭州市 310027) Characteristics Study of Single Phase Deep-slot Linear Induction Motor Based on Field-circuit Combined Model LU Qin-fen, YE Yun-yue (College of Electrical Engineering, Zhejiang University, Hangzhou 310027, Zhejiang Province, China) ABSTRACT: This paper explained the structure features and 特性，也能计算电机起动时的电流、速度、推力等动态特性； operation principle of the deep-slot single phase linear 另外还可以分析电机结构参数与电容容量对电机性能的影 induction motor, and proposed the analysis model based on the 响。分析结果表明，该电机具有起动电流小、电容电压大等 field-circuit combined method. It used the finite element 特点。样机实验结果与分析结果相一致，表明了该分析模型 method (FEM) to analyze the magnetic distribution within the 的有效性。 effective width of primary lamination and the circuit method to 关键词：单相直线感应电机；场路结合方法；分析模型；磁 simulate the end of primary winding. This model included 场分析 primaries of multi-motors and secondary of one motor, which can calculate both the steady performances such as the airgap 0 引言 magnetic field, thrust, capacitor voltage, secondary 直线感应电机结构简单，无需中间转换装置直 eddy-current power, etc at the motor locked condition and the 接产生直线运动。根据供电电源的不同，直线感应 dynamic performance such as current, velocity, thrust, etc at 电机可分为三相直线感应电机和单相直线感应电 the motor starting condition. In addition, the effect of the 机，前者适用于驱动负载较大的情况；后者适用于 structure