Power transformer winding model for lightning impulse testing

被引：5

作者：

Zupan, Tomislav ^{[1
]}

Trkulja, Bojan ^{[2
]}

Stih, Zeljko ^{[2
]}

机构：

[1] Koncar Elect Engn Inst, Fallerovo Setaliste 22, Zagreb 10002, Croatia

[2] Univ Zagreb, Fac Elect Engn & Comp, Unska 3, Zagreb 10000, Croatia

来源：

SPECIAL ISSUE OF THE 4TH INTERNATIONAL COLLOQUIUM -TRANSFORMER RESEARCH AND ASSET MANAGEMENT | 2017年 / 202卷

关键词：

power transformers; numerical simulation; electromagnetic transients; time-domain analysis; coils; internal overvoltages; FREQUENCY; OVERVOLTAGES; COMPUTATION; TRANSIENTS;

D O I：

10.1016/j.proeng.2017.09.717

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 presents a method for calculating the internal voltage transients useful for power transformer winding modelling. The method is based on lumped parameter model of a transformer winding and the transient response is obtained using time-domain analysis. Lumped circuit parameters are calculated using self-developed solvers which are benchmarked using professional finite element method (FEM) software. The results show that the presented approach gives satisfactory results and is computationally very fast. (C) 2017 The Authors. Published by Elsevier Ltd.

引用

页码：297 / 304

页数：8

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