Nested multigrid finite element analyses of eddy current losses in power transformers

被引：0
|
作者：
Schmidt, E [1 ]
Schöberl, J [1 ]
Hamberger, P [1 ]
机构：
[1] Vienna Tech Univ, Inst Elect Dr & Machines, A-1040 Vienna, Austria
来源：
2005 IEEE/ACES International Conference on Wireless Communications and Applied Computational Electromagnetics | 2005年
关键词：
eddy currents; power transformer losses; multigrid solvers; finite element methods;
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：
The distribution of eddy currents in the core clamping parts and the tank wall of power transformers is obviously different between measurements of load losses and normal operational conditions. Thus, the calculation of these losses shows the regions of possible hot-spot temperatures with normal operational conditions. The presented analysis method uses 3D non-linear time-harmonic finite element analyses with a nested multigrid solver. Consequently, the occurring short calculation times allow to take into account for ambitious technical specifications and individual customer demands.
引用
收藏
页码：674 / 677
页数：4
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