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Power Converter Junction Temperature Measurement using Infra-red Sensors

Smith, C.J.; Zappalá, D.; Crabtree, C.J.; Lapiedra, J.; Mulholland, B.

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Authors

C.J. Smith

D. Zappalá

J. Lapiedra

B. Mulholland



Abstract

Studies demonstrate that the power converter has one of the highest failure rates in a wind turbine, with a key failure driver being the power module junction temperature ( T j ). This paper details an experimental setup for simplified emulation of wind turbine conditions on a power converter with infra-red sensing of IGBT T j . Results are compared to previous simulation work for a PMSG wind turbine, with the same trend of increasing mean T j with wind speed found, and the need to use an equivalent generator reactance in highlighted. A commercial-scale prototype for more accurate wind turbine converter emulation is also detailed.

Citation

Smith, C., Zappalá, D., Crabtree, C., Lapiedra, J., & Mulholland, B. (2019). Power Converter Junction Temperature Measurement using Infra-red Sensors. Journal of Engineering, 2019(17), 4452-4456. https://doi.org/10.1049/joe.2018.8098

Journal Article Type Article
Acceptance Date Aug 2, 2018
Online Publication Date Jan 22, 2019
Publication Date Jun 30, 2019
Deposit Date Aug 28, 2018
Publicly Available Date Mar 29, 2024
Journal Journal of Engineering
Publisher Institution of Engineering and Technology (IET)
Peer Reviewed Peer Reviewed
Volume 2019
Issue 17
Pages 4452-4456
DOI https://doi.org/10.1049/joe.2018.8098
Public URL https://durham-repository.worktribe.com/output/1350544

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