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Conference papers

Building a Matlab/Simulink Model of a SiC-JFET for the investigation of Solid State DC Breaker

Abstract : Recently, solid state DC circuit breaker (SSCB) using normally-on SiC-JFET offers a great protection device for DC microgrid due to its fast response time (in tens of microseconds) and low on-state losses. At the simulation stage, an appropriate model of the SiC-JFET should be built in order to reflect correctly behaviors of the breaker during faults and clearing faults processes. For instance, the fault clearing time should be in tens of microseconds. This paper presents the development of a novel model for commercial normally-on SiC-JFET in solid state circuit breaker application. The parameters of the model are first extracted from the SiC-JFET experimental data. Afterward, the operation of a SiC-JFET in a prototype of solid state breaker is evaluated by comparing the static and dynamic characteristics of SiC-JFET model, which is simulated in Matlab/Simulink, to the experimental measurement. Good agreement between simulation and experiment has been achieved and confirms the validity of the built model of the SiC JFET.
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Conference papers
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https://hal.archives-ouvertes.fr/hal-01639199
Contributor : Publications Ampère <>
Submitted on : Monday, November 20, 2017 - 1:03:41 PM
Last modification on : Monday, September 13, 2021 - 2:44:04 PM

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  • HAL Id : hal-01639199, version 1

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Thi Thuong Huyen Ma, Hamed Yahoui, Fedia Baccar El Boubkari, Hervé Morel, Hoang-Giang Vu, et al.. Building a Matlab/Simulink Model of a SiC-JFET for the investigation of Solid State DC Breaker. COSYS-DC, Mar 2017, Grenoble, France. pp.Electronique. ⟨hal-01639199⟩

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