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Zero Common-Mode Voltage Three-Level Buck DC-DC Converter using 1.2 kV SiC MOSFET Neutral-Point-Clamped (NPC) Modules for UPS Applications

Authors: Paul Rankin; Sungjae Ohn; Jianghui Yu; Rolando Burgos; Dushan Boroyevich; Harish Suryanarayana; Christopher Belcastro;

Zero Common-Mode Voltage Three-Level Buck DC-DC Converter using 1.2 kV SiC MOSFET Neutral-Point-Clamped (NPC) Modules for UPS Applications

Abstract

As wide-bandgap technologies become more readily available for commercial applications, there are still a few key limitations of the technology which need to be addressed, such as the high levels of electromagnetic interference generated by the faster switching speeds attained by these devices. The topology proposed in this paper is able to address this concern so that the benefits of SiC MOSFETs, such as high switching frequency and efficiency, are maintained while the common-mode voltage profile of the converter is significantly reduced, leading to a reduction in the overall EMI profile of a UPS system. The high efficiency, low EMI profile, and voltage balancing capabilities of the converter are demonstrated first through simulation, then by experimental verification using a 20 kW UPS hardware prototype.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
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