Circuit Model of Transformers Windings using Vector Fitting, for Frequency Response Analysis (FRA) PART II: Core Influence

被引：0
|
作者：
Alvarez, David L. [1 ]
Rosero, Javier A. [1 ]
Mombello, Enrique E. [2 ]
机构：
[1] Univ Nacl Colombia, EM&D Dept Ingn Elect & Elect, Elect Machines & Drives Grp, Carrera 30 45-03,Edificio 453-208, Bogota, Colombia
[2] Univ Nacl San Juan, Inst Energia Elect, San Juan, PR USA
来源：
2013 WORKSHOP ON POWER ELECTRONICS AND POWER QUALITY APPLICATIONS (PEPQA) | 2013年
关键词：
Frequency Response Analysis FRA; Vector Fitting; Equivalent Circuit; Transformer; Complex Permeability; Finite Elements Method FEM; POWER TRANSFORMERS;
D O I：
暂无
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：
In this work the voltage distribution in transformers windings is calculated using equivalent circuit with constants elements that are able to model the frequency dependence. FEM is used to estimate resistances and inductances of equivalent circuit in relation with frequency. The behaviour of R and L are approximate to rational functions with Vector Fitting algorithm with the aim of determinate the elements of the equivalent circuit. For represent the core is used complex permeability that helps to reduce the simulation complexity.
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页数：5
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