New simplified method for the simulation of conducted EMI generated by switched power converters

被引：44
|
作者：
González, D [1 ]
Gago, J [1 ]
Balcells, J [1 ]
机构：
[1] Univ Politecn Cataluna, Dept Elect Engn, Terrassa 08222, Spain
来源：
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2003年 / 50卷 / 06期
关键词：
converters; electromagnetic interference (EMI); modeling; power conversion;
D O I：
10.1109/TIE.2003.819675
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A new simplified simulation method for the calculation of conducted electromagnetic interference (EMI) caused by switched power converters (SPCs) is presented. EMI simulation in real SPCs presents particular problems due to complex geometry and the wide range of time constants involved. This makes the computation of EMI a complex matter. The method presented here is based on a "source-propagation-path-derived disturbance" simulation process and is specially designed to simplify the mentioned computation problems. In the design of the proposed method, quick and robust simulations were preferred rather than very accurate results. The resulting models allow quite accurate predictions and sensitivity analysis when certain changes in components or layout are introduced. The paper presents two validation cases, where simulation and experimental results of conducted EMI generated by a general-purpose VSI, with different switching patterns and different layout, are compared.
引用
收藏
页码：1078 / 1084
页数：7
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