Silicon carbide assemblies

Silicon Carbide Assemblies

COUGAR and its mother company ARCEL have been working on SiC technology for many years. We already carry out the series production of Silicon Carbide assemblies which are functional on industrial applications.

The SiC/MOSFET technology makes it possible to obtain a switching frequency much higher than the IGBT and a high power density (reduction in mass and size of the magnetics). Semiconductor manufacturers now offer affordable components in the 1200V range.

Latest achievement

Recently we have delivered a silicon carbide converter. This new test platform is a huge step forward for medium voltage and medium frequency applications related to the energy transition.

It is custom designed for our customer, as the major part of their Medium Frequency Transformer test platform,  ARCEL is proud to show our latest SiC assembly, 

It is composed of 8 isolated AC/DC/AC converters in series. From the network, we have AC/DC converters, able to provide a very accurate DC link voltage to the 8 output H-Bridges. These H-bridges, connected in series, enable the assembly to provide the desired output shape at very high frequency/voltage/current.

Each leg is composed of 2 cab425m12xm3 (From Wolfspeed), in parallel, so the full assembly includes 32 modules in series/parallel.

We are able to provide to inductive loads square or sinus shape voltage, with up to 1.5kV peak, 500Arms and 100khz fundamental frequency.

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