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Investigation into IGBT dV/dt during turn-off and its temperature dependence
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Bryant, Angus T., Yang, Shaoyong, Mawby, P. A. (Philip A.), Xiang, Dawei, Ran, Li, Tavner, Peter and Palmer, Patrick R. (2011) Investigation into IGBT dV/dt during turn-off and its temperature dependence. IEEE Transactions on Power Electronics, Volume 26 (Number 10). pp. 3019-3031. doi:10.1109/TPEL.2011.2125803 ISSN 0885-8993.
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Official URL: http://dx.doi.org/10.1109/TPEL.2011.2125803
Abstract
In many power converter applications, particularly those with high variable loads, such as traction and wind power, condition monitoring of the power semiconductor devices in the converter is considered desirable. Monitoring the device junction temperature in such converters is an essential part of this process. In this paper, a method for measuring the insulated gate bipolar transistor (IGBT) junction temperature using the collector voltage dV/dt at turn-OFF is outlined. A theoretical closed-form expression for the dV/dt at turn-OFF is derived, closely agreeing with experimental measurements. The role of dV/dt in dynamic avalanche in high-voltage IGBTs is also discussed. Finally, the implications of the temperature dependence of the dV/dt are discussed, including implementation of such a temperature measurement technique.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
| Library of Congress Subject Headings (LCSH): | Insulated gate bipolar transistors -- Reliability, Power electronics, Electric current converters, Power semiconductors | ||||
| Journal or Publication Title: | IEEE Transactions on Power Electronics | ||||
| Publisher: | IEEE | ||||
| ISSN: | 0885-8993 | ||||
| Official Date: | October 2011 | ||||
| Dates: |
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| Volume: | Volume 26 | ||||
| Number: | Number 10 | ||||
| Page Range: | pp. 3019-3031 | ||||
| DOI: | 10.1109/TPEL.2011.2125803 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC), University of Cambridge. Schiff Foundation | ||||
| Grant number: | EP/E0274$$$$4X/1 (EPSRC), EP/E026923/1 (EPSRC) |
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