Abstract
This paper presents new three-level unidirectional single-phase PFC rectifier topologies well suited for applications targeting high efficiency and/or high power density. The characteristics of a selected novel rectifier topology including its principles of operation, modulation strategy, feedback control scheme, and a power circuit design related analysis are presented. Finally, a 220-V/3-kW laboratory prototype is constructed and used in order to verify the characteristics of the new converter, which include remarkably low switching losses and single ac-side boost inductor, that allow for a 98.6% peak efficiency with a switching frequency of 140 kHz.
| Original language | English |
|---|---|
| Article number | 6812232 |
| Pages (from-to) | 2935-2949 |
| Number of pages | 15 |
| Journal | IEEE Transactions on Power Electronics |
| Volume | 30 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 1 Jun 2015 |
| Externally published | Yes |
Keywords
- AC-DC converter
- High efficiency rectifier
- Multi-level converter
- Power factor correction
- PWM modulation
- PWM rectifier
- n/a OA procedure
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