Power supply system for supplying electric power to a load through plural converters
US5768117A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1994 |
| Grant date | Jun 16, 1998 |
| Priority date | — |
| Expiry date | Dec 27, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J1/108
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a power supply system having plural converters connected in parallel. The current of each of the plural converters is detected and each of the converters is controlled so as to match each of the converters to a maximum current value from among the detected current values. In the parallel converters, when one or more converter fails, having an output current of zero, the remaining converters are each partially charged equally to maintain the load current. Since a common bus is arranged between plural converters and plural loads, it is possible to carry out a redundant operation having a high reliability. Since a stable output can be obtained without being affected by the failed converter, a power supply system having the redundancy and the high reliability can be attained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.