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Numerical Modeling for Heatsink Emissions in Power Electronics : Volume 10, Issue 20 (18/09/2012)

By Kulanayagam, J.

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Book Id: WPLBN0003977304
Format Type: PDF Article :
File Size: Pages 5
Reproduction Date: 2015

Title: Numerical Modeling for Heatsink Emissions in Power Electronics : Volume 10, Issue 20 (18/09/2012)  
Author: Kulanayagam, J.
Volume: Vol. 10, Issue 20
Language: English
Subject: Science, Advances, Radio
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
2012
Publisher: Copernicus Gmbh, Göttingen, Germany

Citation

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Hoffmann, K. F., Schenke, S., Kulanayagam, J., Dickmann, S., & Hagmann, J. H. (2012). Numerical Modeling for Heatsink Emissions in Power Electronics : Volume 10, Issue 20 (18/09/2012). Retrieved from http://ebook.worldlibrary.net/


Description
Description: Institute for Fundamentals of Electrical Engineering, Germany. The parasitic coupling between power semiconductors and the heat sink is responsible for noise current in Switching Mode Power Supply (SMPS) systems. In this paper, the variations in the radiation characteristics of heatsinks are investigated with respect to their geometries by use of numerical models. Analyses are facilitated by using a mopole antenna as an EMI receiver and by using simplified heatsink models as EMI transmitters to model the heatsink radiated emissions. In addition, the analysis is confirmed using laboratory measurements.

Summary
Numerical modeling for heatsink emissions in power electronics

Excerpt
Brench, C.: Heatsink radiation as a function of geometry, in: IEEE International Symposium on Electromagnetic Compatibility, 105–109, 1994.; Das, S. and Roy, T.: An investigation on radiated emissions from heatsinks, in: IEEE International Symposium on Electromagnetic Compatibility, 2, 784–789, 1998.; Tihanyi, L.: Electromagnetic Compatibility in Power Electronics, J. K. Eckert & Company, Inc., Sarasota, Florida, 1995.; Dawson, J., Marvin, A., Porter, S., Nothofer, A., Will, J., and Hopkins, S.: The effect of grounding on radiated emissions from heatsinks, in: IEEE International Symposium on Electromagnetic Compatibility, 2, 1248–1252, 2001.; Kulanayagam, J., Hagmann, J. H., Hoffmann, K. F., and Dickmann, S.: Reduction of heat sink common-mode currents in switching mode power supply circuits, Adv. Radio Sci., 9, 317–321, doi:10.5194/ars-9-317-2011, 2011.

 

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