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Development of a 10 kV three-phase transformerless inverter with 15 kV silicon carbide MOSFETs for grid stabilization and active filtering of harmonics

: Kranzer, D.; Thoma, J.; Volzer, B.; Derix, D.; Hensel, A.


Institute of Electrical and Electronics Engineers -IEEE-:
19th European Conference on Power Electronics and Applications, EPE 2017, ECCE Europe : 11-14 September 2017, Warsaw, Poland, Poland
Piscataway, NJ: IEEE, 2017
ISBN: 978-90-75815-27-6
ISBN: 978-90-75815-26-9
ISBN: 978-1-5386-0530-1
European Conference on Power Electronics and Applications (EPE) <19, 2017, Warsaw>
Conference Paper
Fraunhofer ISE ()

The implementation of 15 kV Silicon Carbide (SiC) MOSFETs in a three-phase, three-level active power filter of 100 kVA for a 10 kVAC grid and their challenges is shown. Due to the high switching frequency of 16 kHz, respectively 32 kHz ripple frequency, it will perfectly suited for active filtering of harmonics in the medium voltage grid.