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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Mermet-Guyennet, M. Castellazzi, A. Fabre, J. Ladoux, P. |
| Copyright Year | 2012 |
| Abstract | Silicon Carbide (SiC) technology will push the limits of existing silicon components in the three directions: higher blocking voltage, higher operating temperature and higher switching speed. The last feature, in particular, allows multiplying by a factor 20 the switching frequency, as compared to equivalent silicon IGBT components, but with the constraint of a large increase in di/dt and dv/dt. At turn-off, dv/dt is easily controlled by the driver, but di/dt is mainly intrinsic to the transistor and diode technology. In addition, paralleling elementary SiC devices will increase drastically the di/dt and, for a nominal current value of 1000 A, the di/dt will be in the range of 20 to 50 kA/mus. The switching behaviour of SiC devices (MOSFET and JFET) must be well understood at turn-off and turn-on, including the influence of the free-wheeling SiC diode internal capacitance which is much higher than the equivalent for Si devices. Then, the behaviour of these elementary devices in their environment with parasitic R,L,C is presented with induced oscillations and over-voltages. This analysis will produce design guide-lines for SiC device packaging and global inverter design. |
| Starting Page | 1 |
| Ending Page | 6 |
| File Size | 1282730 |
| Page Count | 6 |
| File Format | |
| ISBN | 9783800734146 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-03-06 |
| Publisher Place | Germany |
| Access Restriction | Subscribed |
| Rights Holder | VDE VERLAG GmbH |
| Subject Keyword | Inductance Silicon carbide Computational modeling Capacitors Switches MOSFET circuits Silicon |
| Content Type | Text |
| Resource Type | Article |
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