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Analysis of feedback in converter using coreless printed circuit board transformer
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media. (Power electronics)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media. (Power electronics)ORCID iD: 0000-0002-8466-946X
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media. (Power Electronics)ORCID iD: 0000-0001-5326-2563
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media. (Power Electronics)
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2011 (English)In: Electrical Machines and Power Electronics and 2011 Electromotion Joint Conference (ACEMP), 2011 International Aegean Conference on, IEEE conference proceedings, 2011, 601-604 p.Conference paper, Published paper (Refereed)
Abstract [en]

Power supply is an inevitable component for all electronic instruments as a constant DC source. Almost all power supplies use feedback loop to achieve constant DC output voltage. In a feedback loop, the galvanic isolation is required between input and output. It can be achieved either by implementation of opto-coupler feedback on the secondary side or magnetic feedback. In this paper both opto-coupler and auxiliary feed-back techniques are implemented and analyzed in a high frequency half bridge converter using coreless Printed Circuit Board (PCB) power transformer. The implementation of opto-coupler feedback is temperature sensitive and has relatively high cost. The auxiliary winding of transformer can also be used to provide feedback signals as alternate to opto-coupler. Auxiliary feedback implementation is cheaper, temperature stable and insensitive to temperature variations. In this paper, the feasibility of feedback using auxiliary winding of coreless PCB power transformer is investigated. It is observed that this technique can be used as an alternative to opto-coupler feedback.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2011. 601-604 p.
Keyword [en]
Analog to digital conversion; Electro-magnetic interference; Switch mode power supplies; Printed circuit board; Pulse width modulation
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-14523DOI: 10.1109/ACEMP.2011.6490667Scopus ID: 2-s2.0-84876496931Local ID: STCISBN: 978-1-4673-5002-0 (print)OAI: oai:DiVA.org:miun-14523DiVA: diva2:442797
Conference
International Aegean Conference on Electric Machines and Power Electronics & Electromotion Joint Conference 08-10 September 2011 İstanbul, Turkey
Available from: 2011-09-21 Created: 2011-09-22 Last updated: 2016-10-19Bibliographically approved
In thesis
1. Analysis and implementation of switch mode power supplies in MHz frequency region
Open this publication in new window or tab >>Analysis and implementation of switch mode power supplies in MHz frequency region
2012 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Sundsvall: Mid Sweden University, 2012. 56 p.
Series
Mid Sweden University licentiate thesis, ISSN 1652-8948 ; 80
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:miun:diva-16691 (URN)STC (Local ID)978-91-87103-13-1 (ISBN)STC (Archive number)STC (OAI)
Available from: 2012-08-08 Created: 2012-08-08 Last updated: 2016-10-20Bibliographically approved
2. Analysis and EMI suppression of MHz frequency range switch mode power supplies
Open this publication in new window or tab >>Analysis and EMI suppression of MHz frequency range switch mode power supplies
2013 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Sundsvall: Mid Sweden University, 2013. 139 p.
Series
Mid Sweden University doctoral thesis, ISSN 1652-893X ; 164
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:miun:diva-21019 (URN)STC (Local ID)978-91-87557-08-8 (ISBN)STC (Archive number)STC (OAI)
Supervisors
Available from: 2014-01-13 Created: 2014-01-13 Last updated: 2016-10-20Bibliographically approved

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Majid, AbdulSaleem, JawadKotte, Hari BabuAmbatipudi, RadhikaHaller, StefanBertilsson, Kent
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Citation style
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