磁悬浮高速永磁发电机轴向磁轴承设计仿真及控制方法研究  

Research on Design Simulation and Control Method of Axial Magnetic Bearing for Maglev High Speed Permanent Magnet Generator

作　　者：温海平 姚利辉 郑少杰 马岳 米振宝 苏凯哲 WEN Haiping;YAO Lihui;ZHENG Shaojie;MA Yue;MI Zhenbao;SU Kaizhe(Dunshi Magnetic Energy Technology Co.,Ltd.,Shijiazhuang 050800,China;Hebei Provincial High-speed Flywheel Energy Storage and Energy-saving Technology Key Laboratory,Shijiazhuang 050800,China)

机构地区：[1]盾石磁能科技有限责任公司,石家庄050800 [2]河北省高速飞轮储能与节能技术重点实验室,石家庄050800

出　　处：《微特电机》2024年第12期21-26,共6页Small & Special Electrical Machines

基　　金：石家庄市科技计划项目(221240261A)。

摘　　要：对磁悬浮高速永磁发电机轴向磁轴承进行结构设计,建立数学模型求解轴向电磁力,建立二维轴对称仿真模型,对轴向磁轴承的轴向承载力、线圈压降以及损耗进行仿真分析,仿真结果与数学模型计算结果接近,证明了模型的正确性;建立了三维仿真模型,分析发现主轴径向偏移对轴系基本没有影响。以转子底部应力为控制目标,设计轴向磁轴承控制系统,并将该电磁轴承实际应用,其研究与工程价值得以验证。The structural design of the axial magnetic bearing for maglev high-speed permanent magnet generator was carried out,and the mathematical model was established to solve the axial electromagnetic force.The two-dimensional axisymmetric simulation model was established to simulate and analyze the axial bearing capacity,voltage drop and loss of the axial magnetic bearing.The simulation results were close to the calculation results of the mathematical model,which proves the correctness of the model.A three-dimensional simulation model was established,and it was found that the radial displacement of the main shaft had little effect on the shaft system.The axial magnetic bearing control system was designed with the bottom stress of rotor as the control target,and the electromagnetic bearing was applied to the field.Its research and engineering value has been validated.

关 键 词：永磁发电机 轴向磁轴承 参数设计 有限元分析 控制系统 

分 类 号：TM351[电气工程—电机] TM355