I. Investigation of performance in the case of PFC converter
Second proposed converter is PFC converter in boost configuration (fig.11). The main parameters of proposed PFC converter are:
- input voltage: 85 Vac - 230 Vac
- output voltage: 400 Vdc ± 2%
- output power: 1 kW
- switching frequency: 100 kHz
Diodes which hava been selected for investigation were: - QH12TZ600, D12S600, C4D15120
It can be seen that during this experiment we had to focus on diodes with higher blocking voltage, and thus standard Schottky diode MBR20200CT was not able to be utilized. In first case it deals about Qspeed structure, and two other diodes are SiC, whereby the last C4D15120 presents last family from Infineon SiC diodes