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Power converter junction temperature measurement using infra-red sensors.

Smith, C.J. and Zappalá, D. and Crabtree, C.J. and Lapiedra, J. and Mulholland, B. (2019) 'Power converter junction temperature measurement using infra-red sensors.', Journal of engineering., 2019 (17). pp. 4452-4456.

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.

Item Type:Article
Full text:(AM) Accepted Manuscript
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Full text:(VoR) Version of Record
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Available under License - Creative Commons Attribution.
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1049/joe.2018.8098
Publisher statement:This is an open access article published by the IET under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
Date accepted:02 August 2018
Date deposited:12 September 2018
Date of first online publication:22 January 2019
Date first made open access:No date available

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