Quasi-resonant buck converter with soft switching
US5889667A · kind A · utility
42Cited by
2References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 29, 1997 |
| Grant date | Mar 30, 1999 |
| Priority date | — |
| Expiry date | Aug 29, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rectifier circuit in a three-phase bridge connection includes four-segment main switches. Resonance capacitors are each connected in parallel with a respective one of the main switches. An auxiliary commutation device is connected between two DC terminals. The auxiliary commutation device has an auxiliary four-segment switch and a resonance inductor connected in series therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.