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An experimental study of a zero voltage switching SiC boost converter with an active snubber network

  • This paper presents a quasi-resonant, zero voltage switching (ZVS) SiC boost converter for an output power of up to 10 kW. The converter is realized with an easily controllable active snubber network that allows a reduction of switching losses by minimizing the voltage stress applied to the active switch. With this approach, an increase of the switching frequency is possible, allowing a reduction of the system size. Experiments show a maximum converter efficiency up to 99.2% for a switching frequency of 100 kHz. A second version of the converter enables a further size reduction by increasing the switching frequency to 300 kHz while still reaching a high efficiency up to 98.4 %.

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Author of HS ReutlingenEbli, Michael; Engel, Michael; Pfost, Martin
Erschienen in:PCIM Europe 2015 : International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management ; Nuremberg, 19 - 21 May 2015 ; proceedings
Place of publication:Berlin
Document Type:Conference proceeding
Publication year:2015
Page Number:7
First Page:414
Last Page:420
DDC classes:620 Ingenieurwissenschaften und Maschinenbau
Open access?:Nein
Licence (German):License Logo  In Copyright - Urheberrechtlich geschützt