A1 Journal article (refereed), original research

Acoustic Emission in Power Semiconductor Modules—First Observations


Publication Details
Authors: Kärkkäinen Tommi, Talvitie Joonas, Kuisma Mikko, Hannonen Janne, Ström Juha-Pekka, Mengotti Elena, Silventoinen Pertti
Publication year: 2014
Language: English
Related Journal or Series Information: IEEE Transactions on Power Electronics
Volume number: 29
Issue number: 11
Start page: 6081
End page: 6086
JUFO-Level of this publication: 3
Open Access: Not an Open Access publication

Abstract
Traditionally, condition monitoring of power semiconductor modules has been based on electrical measurements. Acoustic emission has been utilized for condition monitoring in many other applications, but is an unknown phenomenon in power semiconductor modules. In this paper, the authors present an experimental setup used to show that acoustic emission does occur because of the switching of power semiconductor components. An analysis based on propagation delays is used to determine the source of the acoustic emission.

Last updated on 2017-22-03 at 16:08

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