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Characterization of High Power SiC Modules for More Electrical Aircrafts

Abstract : One of the main challenges associated to the More Electric Aircraft is to significantly increase power density of electrical power systems, such as electromechanical chains applied to actuation systems, without compromising on reliability. Nowadays, the best way of considerably increasing power density of power converters is by the use of disruptive technology such as Wide Bandgap (WBG) semiconductors. This paper explains the advantages of using WBG semiconductors made of Silicon Carbide (SiC) in power converters used in an electromechanical chain when compared to classical silicon-based technology. Characterization of a specific SiC power module is described in details. A non-intrusive method for measuring switching energy is explained and applied to this module in order to obtain turn-on and turn-off energies for different circuit and driver parameters. These results are used in a numerical routine which calculates losses in a three-phase inverter. These losses are compared to the ones calculated with the datasheet of this SiC module as well as with a “best-in-class” silicon-based IGBT adapted to the power level of this converter. Results show the superiority of SiC MOSFETs when compared to IGBTs as well as the highest performance which can be achieved with this component based on the characterization performed this paper.
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Submitted on : Monday, December 11, 2017 - 2:15:00 PM
Last modification on : Friday, January 10, 2020 - 9:10:06 PM


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  • HAL Id : hal-01660829, version 1
  • OATAO : 18231


Alaa Hilal, Bernardo Cougo, Thierry Meynard. Characterization of High Power SiC Modules for More Electrical Aircrafts. IECON 2016 (42nd Annual Conference of IEEE Industrial Electronics Society), 2016, Firenzi, Italy. pp. 1087-1092. ⟨hal-01660829⟩



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