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Impact of high frequency conducted voltage disturbances on LED driver circuits
Department of Electrical and Computer Engineering, Clemson University.
Department of Electrical and Computer Engineering, Clemson University.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-4004-0352
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-9103-0226
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2017 (English)In: IEEE Power and Energy Society General Meeting, Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE), 2017Conference paper, Published paper (Refereed)
Abstract [en]

Increasingly, consumer electronic devices utilize power supplies that have switching frequencies up to several tens of kilohertz. Consequently, emission in the frequency range 2 to 150kHz ('supraharmonics') is continuously increasing. Cases of conducted interference in LED lamps using switched mode power supplies, from supraharmonics have been reported over the past three years. This paper presents results from experiments where supraharmonic voltage distortion was applied to commercially available LED driver circuits. Variations of light output were obtained in some cases, along with evidence pointing to reduced converter efficiency and influence of point on wave of the distortion, on the light output. Importantly, it was shown that electromagnetic compatibility is not converter topology dependent, nor influenced by galvanic isolation. The results demonstrate that converters with similar topology can have vastly different behavior and there is a marked dissimilarity in performance among different topologies.

Place, publisher, year, edition, pages
Piscataway, NJ: Institute of Electrical and Electronics Engineers (IEEE), 2017.
Series
IEEE Power and Energy Society General Meeting PESGM, ISSN 1944-9925
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electric Power Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-68217DOI: 10.1109/PESGM.2017.8274378ISI: 000426921802080Scopus ID: 2-s2.0-85046336698ISBN: 978-1-5386-2212-4 (electronic)OAI: oai:DiVA.org:ltu-68217DiVA, id: diva2:1195676
Conference
2017 IEEE Power & Energy Society General Meeting, Chicago, IL, USA, 16-20 July 2017
Available from: 2018-04-06 Created: 2018-04-06 Last updated: 2018-06-14Bibliographically approved

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CiteExportLink to record
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  • apa
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