NDLI: High voltage Si/SiC hybrid switch: An ideal next step for SiC

Content Provider	IEEE Xplore Digital Library
Author	Xiaoqing Song Huang, A.Q. Meng-Chia Lee Chang Peng
Copyright Year	2015
Description	Author affiliation: FREEDM Syst. Center, North Carolina State Univ., Raleigh, NC, USA (Xiaoqing Song; Huang, A.Q.; Meng-Chia Lee; Chang Peng)
Abstract	Silicon carbide (SiC) power switches such as MOSFET or JFET have demonstrated their superior advantages over silicon (Si) power devices such as IGBT, especially in terms of significantly reduced switching losses. A major issue facing large scale adoption of SiC power devices is still the much higher cost. This paper proposes that Si/SiC hybrid switch should be a natural next step moving forward for high voltage applications to address the cost issue. In the proposed Si/SiC hybrid switch, a SiC MOSFET is connected in parallel with Si IGBT to combine the advantages of IGBT and MOSFET. This concept can also works well with SiC JFET. A 6.5 kV Si IGBT and SiC MOSFET hybrid switch is developed as an example to demonstrate its superior cost/performance. The switching loss can be reduced by more than 70% at a cost of only 50% higher compared to Si IGBT. This work is especially essential for high voltage applications such as medium voltage motor drive, FACTS and HVDC systems.
Starting Page	289
Ending Page	292
File Size	496390
Page Count	4
File Format	PDF
ISBN	9781479962594
ISSN	1943653X
e-ISBN	9781479962617
DOI	10.1109/ISPSD.2015.7123446
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-10
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Silicon carbide Silicon Insulated gate bipolar transistors MOSFET Switches Hybrid power systems Switching loss turn-off loss hybrid switch IGBT JFET
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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