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Dynamic and Steady-State 3-D Thermal Design and Investigation of the Rotating Power Electronic IGBT Converter
KTH, School of Electrical Engineering (EES).
KTH, School of Electrical Engineering (EES), Communication Theory.
2016 (English)In: IEEE Journal of Emerging and Selected Topics in Power Electronics, ISSN 2168-6777, E-ISSN 2168-6785, Vol. 4, no 2, 679-688 p.Article in journal (Refereed) PublishedText
Abstract [en]

This paper deals with a 3-D development of a thermal model of a power electronic converter mounted on the generator shaft and rotating with it. The dimensions of the heat sink are determined, and the temperature gradients of the converter, its heat sink, and shaft during natural and forced convection are analyzed for variable rotor speeds. It is shown that the chosen sizes of the insulated gate bipolar transistor (IGBT) and the heat sink offer a compact design of the rotating converter, which is sufficient for its mounting in limited space offered by the generator shaft. Furthermore, a transient temperature profile is also presented. In addition, a transient thermal profile of the converter and dimensions of the cooling fan are also calculated. Besides, the analysis of the cooling requirements of the converter during over-currents due to grid faults is also investigated.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2016. Vol. 4, no 2, 679-688 p.
Keyword [en]
Brushless doubly fed induction generator (DFIG), conduction losses, convection, cooling fan, finite-element method, Insulated Gate Bipolar Transistor (IGBT), rotating power electronic converter (RPEC), switching losses, thermal model
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-188045DOI: 10.1109/JESTPE.2016.2539124ISI: 000375553700032ScopusID: 2-s2.0-8496872461OAI: oai:DiVA.org:kth-188045DiVA: diva2:943063
Note

QC 20160627

Available from: 2016-06-27 Created: 2016-06-03 Last updated: 2016-06-27Bibliographically approved

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Malik, Naveed-ur-RehmanHusain, Iqbal
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School of Electrical Engineering (EES)Communication Theory
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Electrical Engineering, Electronic Engineering, Information Engineering

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