Finite-Element Modeling of Eddy Current and Force Distribution for Induction Dampers

被引：0

作者：

Guan, Weimin ^{[1
]}

Jin, Miao ^{[1
]}

Chen, Jiaqi ^{[1
]}

Ruan, Jiangjun ^{[1
]}

Du, Zhiye ^{[1
]}

Zhang, Yadong ^{[1
]}

Li, Yonghe ^{[2
]}

Dai, Kejie ^{[2
]}

Fan, Yong ^{[3
]}

Zhang, Hailong ^{[3
]}

Wang, Ying ^{[1
]}

机构：

[1] Wuhan Univ, Sch Elect Engn, Wuhan 430072, Peoples R China

[2] CEET PingGao Grp Co Ltd, Dalian 467001, Henan, Peoples R China

[3] Wuhan NARI Co Ltd, State Grid Elect Power Res Inst, Wuhan 430074, Peoples R China

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2013年 / 41卷 / 05期

关键词：

Eddy current; finite-element method; induction damper; Lorentz force; COMPUTATION; IMPROVEMENT;

D O I：

10.1109/TPS.2013.2252201

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The eddy current and force distribution on the plunger of a single-stage induction damper is analyzed for the numerical investigation and design improvement of induction dampers. A 3-D finite-element method is applied to the eddy current analysis of the magnetic field, and the Lorentz force on the plunger is calculated using the nodal force method. The simulation results show that the Lorentz force on the plunger can be increased by installing a ferromagnetic enclosure around the coil. Furthermore, an induction damper model is proposed considering the skin effect of eddy current on the plunger. The results show that the flux interlinking the plunger is increased by reducing the thickness of the plunger. Finally, the dynamic simulation is carried out to verify the design and investigate the dynamic characteristics of the induction damper. The damper with a ferromagnetic groove enclosing the coil is proven to be more effective.

引用

页码：1061 / 1065

页数：5

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