Modelling, Simulation and Measurements of Very Fast Transients in Lossy Transformer Windings with Tap Changer

被引：0
|
作者：
Lopez-Fernandez, Xose M. [1 ]
Alvarez-Marino, Casimiro [1 ]
Couto, Duarte [2 ]
Lopes, Ricardo [2 ]
Ramos, Antonio Jacomo [3 ]
机构：
[1] Univ Vigo, Dept Elect Engn, Vigo 36310, Spain
[2] Efacec Energia, Dept I D I, Oporto, Portugal
[3] Efacec Energia, Dept I Di, Oporto, Portugal
来源：
PRZEGLAD ELEKTROTECHNICZNY | 2010年 / 86卷 / 05期
关键词：
Transformer; Very Fast Transients; Lossy Parameters; Numerical Laplace Transform; Tap Changer; 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 paper, a detailed modelling methodology for simulating the internal very fast transient voltage distribution in any complex winding arrangement encountered in large power transformers is presented. The proposed model is based on RLCG lumped frequency-dependent parameters taking into account different combinations of windings such as including the presence of the tap charger. The numerical Laplace transform and modal analysis are applied for carrying out the time solutions. Measurements were carried out and compared with simulation results.
引用
收藏
页码：141 / 144
页数：4
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