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Analysis of radiated EMI for power converters switching in MHz frequency range
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för elektronikkonstruktion.
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för elektronikkonstruktion.ORCID-id: 0000-0002-8466-946X
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för elektronikkonstruktion.
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för elektronikkonstruktion.
2013 (engelsk)Inngår i: Proceedings - 2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED 2013, IEEE conference proceedings, 2013, s. 428-432Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The higher switching frequency in combination with di/dt loops and dv/dt nodes in the power stages of high frequency power converters generates higher order harmonics which cause Electro Magnetic Interference (EMI). It is commonly perceived that high frequency converters are more vulnerable to radiated EMI, thus, it is very important to analyze the radiated emission of these converters. According to the author’s knowledge, the analysis of the radiated emission of power converters switching in the MHz frequency region has not been presented until now. Therefore, in this paper, the measurements, and analysis of the near field radiated emissions of these emerging power converters is presented. These measurements are beneficial in the early design stage of power converters. Both E-field and H-field and captured and analyzed for a half bridge converter switching at 3 MHz and at the output power level of 25 W. The effects of the magnetic and electric field emissions with the addition of a Y-capacitor and secondary side common mode choke are analyzed.

sted, utgiver, år, opplag, sider
IEEE conference proceedings, 2013. s. 428-432
Emneord [en]
bridge circuits;capacitors;electromagnetic interference;harmonics;switching convertors;E-field;EMI radiation;H-field;electromagnetic interference;frequency 3 MHz;half bridge converter switching;high frequency power converter generation;higher order harmonics;near field radiated emissions;power 25 W;power converter switching;power stages;switching frequency;Electromagnetic interference;Frequency conversion;Frequency measurement;Harmonic analysis;Inductors;Magnetic field measurement;Probes;Common Mode;Differential Mode;Electro Magnetic Compatibility;Electro Magnetic Interference
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Identifikatorer
URN: urn:nbn:se:miun:diva-21017DOI: 10.1109/DEMPED.2013.6645751Scopus ID: 2-s2.0-84891097524Lokal ID: STCISBN: 978 - 1 - 4799 - 002 5 - 1 (tryckt)OAI: oai:DiVA.org:miun-21017DiVA, id: diva2:686618
Konferanse
2013 9th IEEE International Symposium on Diagnostics for Electric Machines, Power Electronics and Drives, SDEMPED 2013; Valencia; Spain; 27 August 2013 through 30 August 2013; Category number CFP13SDE-ART; Code 101470
Tilgjengelig fra: 2014-01-13 Laget: 2014-01-13 Sist oppdatert: 2016-10-20bibliografisk kontrollert
Inngår i avhandling
1. Analysis and EMI suppression of MHz frequency range switch mode power supplies
Åpne denne publikasjonen i ny fane eller vindu >>Analysis and EMI suppression of MHz frequency range switch mode power supplies
2013 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Sundsvall: Mid Sweden University, 2013. s. 139
Serie
Mid Sweden University doctoral thesis, ISSN 1652-893X ; 164
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Identifikatorer
urn:nbn:se:miun:diva-21019 (URN)STC (Lokal ID)978-91-87557-08-8 (ISBN)STC (Arkivnummer)STC (OAI)
Veileder
Tilgjengelig fra: 2014-01-13 Laget: 2014-01-13 Sist oppdatert: 2016-10-20bibliografisk kontrollert

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