Design of an LISN for Low-Frequency Conducted Emissions Measurement

被引：0

作者：

Wan, Lu ^{[1
]}

Khilnani, Arun D. ^{[2
]}

Wu, Xinglong ^{[3
]}

Liu, Xiaokang ^{[3
,4
]}

Pignari, Sergio A. ^{[3
]}

Thomas, David W. P. ^{[2
]}

Sumner, Mark ^{[2
]}

Grassi, Flavia ^{[3
]}

机构：

[1] Hitachi Energy Res, CH-5405 Baden, Switzerland

[2] Univ Nottingham, Dept Elect & Elect Engn, Nottingham NG7 2RD, England

[3] Politecn Milan, Dept Elect Informat & Bioengn, I-20133 Milan, Italy

[4] Sichuan Univ, Coll Elect Engn, Chengdu 610065, Peoples R China

来源：

IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY | 2024年

关键词：

Impedance; Topology; Automotive engineering; Inductors; Vectors; Frequency measurement; Standards; Resistors; Receivers; Prototypes; Conducted emission (CE); line impedance stabilization network (LISN); low frequency; multiobjective optimization (MOO);

D O I：

10.1109/TEMC.2024.3510390

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 article, a line impedance stabilization network (LISN) with frequency bandwidth extended down to 2 kHz is designed, to address low-frequency measurement not currently aligned by the IEC and CISPR standards. For instance, different evaluation methods and limits are defined for the frequency range from 2 to 150 kHz in IEC 61000-4-7, IEC 61000-4-30, and CISPR 16-2-1. To this end, the limitations of existing LISNs for conducted emission (CE) measurement are first investigated, and a two-stage cascaded filter LISN topology is designed by resorting to multiobjective optimization. To ensure the desired performance, the influence of component tolerance and parasitic effects are studied. Eventually, an LISN prototype was manufactured and characterized. It was proven that the proposed LISN assures improved performance in terms of decoupling factor, voltage division factor, and LISN impedance in the frequency interval starting from 2 kHz.

引用

页数：11

共 21 条

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