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Characterisation of IGBTs in soft commutation mode for medium frequency transformer application in railway traction

Abstract : Nowadays, the typical railway traction chain, that operates under AC catenaries, includes a bulky and heavy transformer. In order to reduce the weight and the size of the input transformer, a medium frequency topology, which involves soft commutation mode for the switches, is proposed. At this effect, for the characterization of high voltage components in soft commutation mode, a specific test bench is built in the PEARL. In this paper, experimental characterisation results are given for 6.5 kV IGBTs in Dual-Thyristor mode. The snubber capacitors provide a significant reduction in turn-off energy and a switching frequency of several kHz is then possible.
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https://hal-cea.archives-ouvertes.fr/cea-03777142
Contributor : Jérémy MARTIN Connect in order to contact the contributor
Submitted on : Wednesday, September 14, 2022 - 1:35:07 PM
Last modification on : Thursday, September 15, 2022 - 4:27:55 AM

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Martin et al. - 2009 - Charact...
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  • HAL Id : cea-03777142, version 1

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Jérémy Martin, Philippe Ladoux, Bertrand Chauchat. Characterisation of IGBTs in soft commutation mode for medium frequency transformer application in railway traction. PCIM Europe 2009, May 2009, Nuremberg, Germany. pp.829-834. ⟨cea-03777142⟩

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