Abstract
This article proposes a three-phase six-switch switching-cell current source inverter (H6-SC-CSI) and a modified switching scheme of space vector pulsewidth modulation (SVPWM). Compared to the conventional three-phase six-switch current source inverter, the H6-SC-CSI has no open-circuit possibility, thus, the inverter reliability is greatly enhanced. In addition, the overlap-time can be minimized; hence, the output waveform quality can be considerably improved. Due to the presence of switching-cell capacitors, a conventional switching sequence of the SVPWM is modified for the inverter to operate properly. A 2.2 kW hardware prototype is built and tested to verify the effectiveness of the proposed PWM.
| Original language | English |
|---|---|
| Pages (from-to) | 14820-14830 |
| Number of pages | 11 |
| Journal | IEEE Transactions on Power Electronics |
| Volume | 37 |
| Issue number | 12 |
| DOIs | |
| State | Published - 1 Dec 2022 |
Keywords
- Current source inverter
- reliability
- space vector
- switching-cell
- three-phase