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Technique of Conducted EMI Noise Separation and Noise Suppression(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2004年04期
Page:
1-4
Research Field:
Publishing date:

Info

Title:
Technique of Conducted EMI Noise Separation and Noise Suppression
Author(s):
ZHAO Yang 1; 2;  LI Shijin1;  MENG Zhaojuan1;  LONG Yunyun1;  SHEN Xuemei1;  CHEN Hao2;  SEE Kye Yak3
1.School of Electrical and Electronic Engineering, Nanjing Normal University, Nanjing 210042, China; 2.School of Information and Eletrical Engineering, China University of Mining and Technology, Xuzhou 221008, China; 3.Shool of Electrical and Electronic Engineering, Nanyang Technology University, Singapore 639798, Singapore
Keywords:
conducted electromagnetic interference( EMI) ;  noise separation;  intellectual diagnosis;  noise suppression;  electromagnetic compatibility ( EMC)
PACS:
TN03
DOI:
-
Abstract:
The exploration of the conducted EMI noise separation including hardware- based separation and software-based separation have been described and compared, with advantages and disadvantages discussed. The experimental results are g iven to show the efficiency of the separation networks. Moreover, computer- aided design for power- line filter and discussion on implementation of intelligent equipment of noise measurement and suppression are also introduced. Results show that the discrimination network based on splitter/ combiner has better HF performance with low insertion loss and good rejection capability, however, it is more expensive.

References:

[ 1] Zhao Y, See K Y. Performance study of CM/ DM discrimination network for conducted EMI diagnosis[ J] . Chinese J of Electronics, 2003, 12( 4) : 536- 538.
[ 2] Paul C R, Hardin K B. Diagnosis and reduction of conducted noise emission [ J] . IEEE Trans EMC, 1988, 30( 4) : 553- 560.
[ 3] Nave M J. Power line filter design for switched mode power supply[M] . New York: Van Nostrand Reimhold, 1991.
[ 4] See K Y. Network for conducted EMI diagnosis[ J] . Electronic Letter, 1999, 35( 17) : 1446- 1447.
[ 5] Mardiguian M, Rainbourg J. An alternative, complementary method for characterizing EMI filter [ C] . Proc of IEEE on EMC, 1999. 882- 886.
[ 6] Guo T, Chen D Y. Separation of the common-mode and differentia- l mode conducted EMI noise [ J] . IEEE Trans Power Electronics, 1996, 11( 3) : 480- 488.
[ 7] Lo Y K, Chiu H J, Song T H. A software- based CM and DM measurement system for conducted EMI [ J] . IEEE Trans on Industrial Electronics, 2000, 47( 4) : 977- 978.
[ 8] Su H L, Lin KH. Computer- aided design of power line filters design with a low cost common- and differentia-l mode noise d-i agnosis circuit[ C] . Proc of IEEE on EMC, 2001. 511- 516.

Memo

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Last Update: 2013-04-29