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On the performance of voltage source converters based on silicon carbide technology
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Jahdi, Saeed, Alatise, Olayiwola M. and Mawby, P. A. (2013) On the performance of voltage source converters based on silicon carbide technology. In: 2013 35th International Telecommunications Energy Conference 'Smart Power and Efficiency' (INTELEC), Hamburg, Germany, 13-17 Oct 2013. Published in: Proceedings of 2013 35th International Telecommunications Energy Conference 'Smart Power and Efficiency' (INTELEC) ISBN 9783800735006.
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Abstract
The energy conversion efficiency of voltage source converters based on 1.2 kV silicon carbide MOSFETs and Schottky diodes have been assessed by device measurements and converter simulations. A similar measurement and simulation study has also been performed on a similarly rated 1.2 kV silicon IGBT and PiN diode pair. Transistor to diode current commutation measurements have been performed in a clamped inductive switching test rig for a temperature range between -75??C to 175??C. The measurements have also been performed with different switching rates modulated by a range of gate resistances between 10Omega to 1000Omega. The measurements show that the switching energy of the SiC MOSFETs/SBD pair generally exhibits a negative temperature coefficient whereas that of the silicon IGBT/PiN diode pair exhibits a positive temperature coefficient. Furthermore, the switching energy of the SiC devices are 80% lower than the silicon bipolar technologies. The measurements have been used as inputs into the simulation of a 3 phase, 3-level neutral point clamped voltage source converter. Results from the converter simulations show that the SiC NPC-VSC exhibits 5% higher energy conversion efficiency, 3% less THD and 500% higher maximum switching frequency on average.
Item Type: | Conference Item (Paper) | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | Proceedings of 2013 35th International Telecommunications Energy Conference 'Smart Power and Efficiency' (INTELEC) | ||||
Publisher: | VDE | ||||
ISBN: | 9783800735006 | ||||
Official Date: | 20 November 2013 | ||||
Dates: |
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Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Date of first compliant deposit: | 13 January 2022 | ||||
Date of first compliant Open Access: | 13 January 2022 | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 2013 35th International Telecommunications Energy Conference 'Smart Power and Efficiency' (INTELEC) | ||||
Type of Event: | Conference | ||||
Location of Event: | Hamburg, Germany | ||||
Date(s) of Event: | 13-17 Oct 2013 |
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