串联磁路混合励磁电磁阻尼器分析与设计  

Analysis and Design of Series Magnetic Circuit Hybrid Excitation Electromagnetic Dampers

作　　者：马学超 田俊梅[1] 张建宏[1] 闫韬宇 MA Xuechao;TIAN Junmei;ZHANG Jianhong;YAN Taoyu(School of Electric Power,Civil Engineering and Architecture,Shanxi University,Taiyuan 030031,China)

机构地区：[1]山西大学电力与建筑学院,太原030031

出　　处：《微特电机》2023年第5期24-27,共4页Small & Special Electrical Machines

摘　　要：设计了一种串联磁路双边型混合励磁直线电磁阻尼器,气隙磁感应强度幅值大,可调节,励磁损耗小。利用等效磁路法推导出了气隙磁密的解析表达式,建立有限元模型,分析比较了不同结构参数对电磁阻尼器的阻尼力的影响。结果证明不同气隙长度、导体厚度、导体材料以及励磁电流对临界速度和峰值阻尼力的改变,为混合励磁电磁阻尼器的优化设计提供了理论指导。A double side hybrid excitation linear electromagnetic damper with series magnetic circuit was designed.The amplitude of air gap magnetic induction was large,adjustable,and the excitation loss was small.The equivalent magnetic circuit method was used to derive the analytical expression of the air gap magnetic density,and the finite element model was established to analyze and compare the influence of different structural parameters on the damping force of the electromagnetic damper.The results show that the critical velocity and peak damping force are changed by different air gap length,conductor thickness,conductor material and excitation current,which provides theoretical guidance for the optimal design of hybrid excitation electromagnetic damper.

关 键 词：电磁阻尼器 串联磁路 双边型 混合励磁 有限元分析 

分 类 号：TM359.9[电气工程—电机]