TIME DOMAIN MODELING OF EDDY-CURRENT EFFECTS FOR TRANSFORMER TRANSIENTS

被引：99
|
作者：
DELEON, F
SEMLYEN, A
ARTURI, CM
NARANG, A
DICK, EP
机构：
[1] POLITECN MILAN,I-20133 MILAN,ITALY
[2] ONTARIO HYDRO,TORONTO,ONTARIO,CANADA
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 1993年 / 8卷 / 01期
基金：
加拿大自然科学与工程研究理事会;
关键词：
EDDY CURRENTS; TRANSFORMER MODELING; ELECTROMAGNETIC TRANSIENTS;
D O I：
10.1109/61.180346
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：
Eddy current effects have been included in the model of the transformer for the study of electromagnetic transients. Existing analytical formulas for the calculation of losses in the windings have been evaluated. Various equivalent circuits have been fitted to represent in the time domain the damping produced by eddy currents in the windings. A frequency dependent model has been derived for the iron core, based on the physical distribution of losses and magnetization effects. The parameters of this model are obtained by optimal discretization of the laminations. Simulations of transients have been presented to show the effects of eddy currents in the damping of transients.
引用
收藏
页码：271 / 280
页数：10
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