Finite-Element Analysis of Magnetostriction Force in Power Transformer Based on the Measurement of Anisotropic Magnetostriction of Highly Grain-Oriented Electrical Steel Sheet

被引：29
|
作者：
Zhu, Lixun [1 ]
Yoon, Hee-Sung [2 ]
Cho, Hyun-Jin [1 ]
Um, Doo-Jong [1 ]
Koh, Chang-Seop [1 ]
机构：
[1] Chungbuk Natl Univ, Coll Elect & Comp Engn, Chungbuk 28644, South Korea
[2] Hyosung Corp, Power Syst Performance Unit, Chang Won 642712, South Korea
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2016年 / 52卷 / 03期
关键词：
Highly grain-oriented electric steel sheet (HGO-ESS); magnetostriction; power transformer; round-type two-directional single sheet tester (R-2-D-SST);
D O I：
10.1109/TMAG.2015.2481466
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes a new measuring system and an improved model for magnetostriction characteristics of a highly grain-oriented electric steel sheet (HGO-ESS) whose magnetic domains are bigger in size and higher in the degree of alignment than those of a grain-oriented one. The measured data of anisotropic magnetostriction characteristics of the HGO-ESS, through an improved model that has its theoretical basis on the mechanical elasticity, are included in the finite-element analysis of magnetostriction force of a power transformer. The effectiveness of the measuring system and improved magnetostriction model is validated by comparing with the experimentally measured results over a 30 MVA power transformer model.
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页数：4
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