Demonstration of a Medium-Voltage DC-Chopper Enabled by 10 kV SiC MOSFETs

Zhixing Yan,Gao Liu,Dipen Narendra Dalal, Jonas Jacobsen,Rui Wang,Michael Møller Bech,Bjørn Rannestad,Hongbo Zhao,Stig Munk-Nielsen

2023 25th European Conference on Power Electronics and Applications (EPE'23 ECCE Europe)（2023）

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摘要

The DC-chopper is a common component in back-to-back converter systems, connected in parallel to the DC bus. As the system voltage increase to the medium-voltage level, different solutions involving series-connected DC-choppers have been proposed. To simplify the topology and associated circuits, a medium-voltage DC-chopper enabled by 10 kV SiC MOSFETs is demonstrated in this paper.

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关键词

Silicon Carbide (SiC),Medium-voltage converter,Braking chopper,Fault ride-through,Active protection

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