Numerical modeling for heatsink emissions in power electronics

被引：0
作者：
Kulanayagam, J. [1 ]
Hagmann, J. H. [1 ]
Schenke, S. [1 ]
Hoffmann, K. F. [2 ]
Dickmann, S. [1 ]
机构：
[1] Inst Fundamentals Elect Engn, Hamburg, Germany
[2] Helmut Schmidt Univ, Univ Fed Armed Forces Hamburg, Inst Power Elect, Hamburg, Germany
来源：
ADVANCES IN RADIO SCIENCE | 2012年 / 10卷
关键词：
D O I：
10.5194/ars-10-239-2012
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 parasitic coupling between power semiconductors and the heat sink is responsible for noise current in Switching Mode Power Supply (SMPS) systems. In this paper, the variations in the radiation characteristics of heatsinks are investigated with respect to their geometries by use of numerical models. Analyses are facilitated by using a mopole antenna as an EMI receiver and by using simplified heatsink models as EMI transmitters to model the heatsink radiated emissions. In addition, the analysis is confirmed using laboratory measurements.
引用
收藏
页码：239 / 243
页数：5
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