磁场调制型磁齿轮研究综述

Research Overview on Field Modulated Magnetic Gear

磁场调制型磁齿轮突破传统磁齿轮的拓扑结构限制,同轴式结构极大地提高永磁体利用率,除具有传统磁齿轮无接触、无磨损、无需润滑、噪声小和过载自我保护等优点外,输出转矩大、转矩密度高,可广泛应用于航海、风电、石油化工等众多领域。在简单回顾传统磁齿轮机构发展,简述磁场调制型磁齿轮工作原理的基础上,介绍并比较各类径向、轴向调磁和相交轴磁齿轮机构转矩特性等,梳理磁齿轮相关研究采用的计算方法和优化方法,对比分析不同类型磁齿轮的转矩密度、齿槽转矩、损耗和温升等性能指标,最后总结阐述磁场调制型磁齿轮在磁齿轮复合电机等领域及极地寒冷等环境的应用前景,对磁齿轮未来重点研究领域进行展望。

Transcending the topology of the traditional magnetic gears,the field modulated magnetic gears(FMMGs)adopts the coaxial topology and have a high utilization of permanent magnets.FMMGs have the advantages of no contact,no wear,no lubrication,low noises and overload protection,and can provide a larger torque and a higher torque density.So,FMMGs can be widely used in the navigation,wind turbine systems,petrochemical engineering and other fields.Based on a brief history review of the traditional magnetic gear and outline of the working principle of FMMGs,kinds of radial,axial and intersecting axes FMMGs are introduced,and the torque characteristics of them are compared.The calculation methods and optimization methods of related researches about FMMGs are summarized.The performance indexes of different types of FMMGs such as torque density,cogging torques,losses and temperature rises are compared and analyzed.Finally,the applications and prospects of FMMGs in magnetic geared machines,polar and other environments are summarized.The future research areas of FMMGs are predicted.