Characterisation of IGBTs in soft commutation mode for medium frequency transformer application in railway traction - Archive ouverte HAL Access content directly
Conference Papers Year : 2009

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

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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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Dates and versions

cea-03777142 , version 1 (14-09-2022)

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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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