Assessment of EMI chokes under realistic loading conditions

Author

Junhong, Deng ; Yak, See Kye

Author_Institution

Electr. & Electron. Centre, TUV SUD PSB Pte Ltd., Singapore

fYear

2008

fDate

19-23 May 2008

Firstpage

734

Lastpage

737

Abstract

A novel measurement method has been developed to characterize the common-mode (CM) and differential-mode (DM) impedances of power line EMI chokes under realistic loading conditions. With a proper pre-measurement calibration process, all parasitic effects in the measurement setup can be eliminated. The measurement allows designer to assess the EMI suppression performance of these chokes with reasonable accuracy under various loading conditions. With the measurement results, a proper choke with optimum EMI suppression performance could be selected for a specific loading condition.

Keywords

electric impedance measurement; electromagnetic interference; inductors; interference suppression; power filters; EMI chokes; EMI suppression; common-mode impedances; differential-mode impedances; power line; premeasurement calibration process; realistic loading conditions; Coupling circuits; Current measurement; Delta modulation; Electromagnetic interference; Impedance measurement; Inductors; Magnetic separation; Power measurement; Probes; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Electromagnetic Compatibility and 19th International Zurich Symposium on Electromagnetic Compatibility, 2008. APEMC 2008. Asia-Pacific Symposium on

Conference_Location

Singapore

Print_ISBN

978-981-08-0629-3

Electronic_ISBN

978-981-08-0629-3

Type

conf

DOI

10.1109/APEMC.2008.4559980

Filename

4559980