Determination of axial displacement extent based on transformer winding transfer function estimation using vector-fitting method

被引：27
|
作者：
Karimifard, P. [1 ]
Gharehpetian, G. B. [1 ]
Tenbohlen, S. [2 ]
机构：
[1] Amirkabir Univ Technol, Dept Elect Engn, Tehran 15914, Iran
[2] Univ Stuttgart, Inst Power Transmiss & High Voltage Technol, D-70569 Stuttgart, Germany
来源：
EUROPEAN TRANSACTIONS ON ELECTRICAL POWER | 2008年 / 18卷 / 04期
关键词：
transformer winding; axial displacement; transfer function; vector fitting;
D O I：
10.1002/etep.194
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 suggests a new method to determine the extent of the axial winding displacement which is based on the transfer function (TF) estimation using the vector-fitting (VF) method. The identification of the TF in normal and displaced conditions can be achieved properly using VF methods. To study the different degrees of mechanical displacements, a verified detailed model of transformer in the frequency range of kHz < f < MHz has been used. A new index for the determination of the displacement extent has been presented, too. Copyright (C) 2007 John Wiley & Sons, Ltd.
引用
收藏
页码：423 / 436
页数：14
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