DYNAMIC-MODEL OF A 3-PHASE POWER TRANSFORMER

被引：42
|
作者：
DOLINAR, D
PIHLER, J
GRCAR, B
机构：
[1] Faculty of Technical Sciences, University of Maribor, Maribor
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 1993年 / 8卷 / 04期
关键词：
D O I：
10.1109/61.248289
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：
An adequate mathematical model of a three-phase power transformer is one of the important elements in the programs for the computer analysis of power system transients. Featured in this paper is the simulation model of a three-phase, three-limb core-type power transformer. Non-linear effects of saturation, hysteresis and eddy currents are considered. Two ways of creating major and minor hysteresis loops are presented. The transformer model, described by a system of time dependent differential equations, is solved by an efficient numerical algorithm. The behaviour of the transformer model during switching-in and fault transients, as well as other types of transients, has been tested. The computed transient waveforms are compared with the measured ones and there exists very close agreement between them.
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页码：1811 / 1819
页数：9
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