Referenced Items are not available for this document.
This paper presents a 7.5 kW liquid cooled three-phase buck rectifier which will be used as the front-end rectifier in 400 Vdc architecture data center power supply systems. SiC MOSFETs and SiC Schottky barrier diodes (SBDs) are used in parallel to obtain low power semiconductor losses. Input and output filters are designed and inductor core material is compared to reduce passive component losses. A low-loss modulation scheme and 28 kHz switching frequency are selected to optimize the converter design for efficiency. A prototype of the proposed rectifier is constructed and tested, and greater than 98.5% efficiency is obtained at full load.
Published in:
Energy Conversion Congress and Exposition (ECCE), 2012 IEEE
Date of Conference: 15-20 Sept. 2012
- Page(s):
- 2927 - 2933
- E-ISBN :
- 978-1-4673-0801-4
- Print ISBN:
- 978-1-4673-0802-1
- INSPEC Accession Number:
- 13132684
- Conference Location :
- Raleigh, NC
- Digital Object Identifier :
- 10.1109/ECCE.2012.6342366
- Product Type:
- Conference Publications
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