Converter device comprising at least five DC voltage levels and uninterruptible power supply provided with said device
US8488336B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 20, 2010 |
| Grant date | Jul 16, 2013 |
| Priority date | — |
| Expiry date | Jun 8, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M7/797
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A multi-level converter to at least convert an AC switched voltage available on a switched voltage point into at least five DC voltage levels available on positive and negative DC voltage lines, said converter comprising two separate switching units to convert respectively positive and negative half-waves of said switched voltage, connected to the DC voltage lines respectively presenting positive and negative DC voltage levels, and wherein each switching unit comprises a switching point connected to said switched voltage point by means of change-over means.An uninterruptible power supply comprising said converter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.