磁场调制型双馈无刷混合励磁电机及其静态性能分析

doi:10.19595/j.cnki.1000-6753.tces.190795

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摘要基于磁场调制原理工作的永磁（PM）游标电机具有低速、大转矩特性。然而,和传统永磁电机类似,永磁游标电机的励磁磁场由永磁体产生,气隙磁场相对恒定难以调节,宽调速范围运行能力受限。结合“混合励磁”设计方法,通过在分裂齿式永磁游标电机调磁小齿间引入混合励磁绕组,该文研究了一种磁场调制型双馈无刷混合励磁电机;结合有限元方法,介绍了该电机的基本结构和运行原理,揭示了其低速、大转矩并具有宽调速范围特性内在机理;设计了该电机的驱动控制系统,对其静态性能进行系统测试,验证了理论分析与仿真计算的正确性。

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关键词 ：磁场调制, 混合励磁, 双馈, 轮毂电机

Abstract：Permanent magnet (PM) vernier motors based on the magnetic field modulation principle have the characteristics of low speed and high torque. However, similar with traditional PM motors, the excitation field of this kind of motors is generated only by PMs. The air gap magnetic field is relatively constant and is difficult to adjust, so the operation speed range is limited. According to the concept of “hybrid excitation” and introducing hybrid excitation windings between the small teeth of a split-tooth PM vernier motor, a magnetic field-modulated doubly-fed brushless hybrid excitation motor was proposed in this paper. The basic structure and operating principle of the motor were introduced based on finite element analysis, and thus the inherent mechanism of its low speed, high torque and wide speed regulation range was revealed. The static performance of the proposed motor was tested systematically through the designed drive control system, which verified the correctness of theoretical analysis and simulation calculation.

Key words： Magnetic field modulation hybrid excitation doubly-fed in-wheel motor

收稿日期: 2019-06-29

PACS:

TM351

基金资助:国家自然科学基金项目（51677081,51777089）、江苏高校“青蓝工程”和江苏省高校优势学科项目资助

通讯作者: 杜怿男,1979年生,教授,博士生导师,研究方向为永磁电机系统设计与分析。E-mail: duyie@ujs.edu.cn

作者简介: 卢浩男,1994年生,硕士研究生,研究方向为永磁电机设计与驱动。E-mail: lh15751005797@163.com

引用本文:

卢浩, 杜怿, 刘新波, 仲叙, 全力. 磁场调制型双馈无刷混合励磁电机及其静态性能分析[J]. 电工技术学报, 2020, 35(14): 2969-2978. Lu Hao, Du Yi, Liu Xinbo, Zhong Xu, Quan Li. Static Performance Analysis of Magnetic Field-Modulated Doubly-Fed Brushless Hybrid Excitation Motor. Transactions of China Electrotechnical Society, 2020, 35(14): 2969-2978.

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https://dgjsxb.ces-transaction.com/CN/10.19595/j.cnki.1000-6753.tces.190795 https://dgjsxb.ces-transaction.com/CN/Y2020/V35/I14/2969

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