Uninterruptible power supply system and load transfer static switch for such a system
US5210685A · kind A · utility
84Cited by
17References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 1985 |
| Grant date | May 11, 1993 |
| Priority date | — |
| Expiry date | Mar 8, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S20/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A UPS system which operates initially in a commutation mode allowing commutation of the static transfer switch provided on the primary supply lines, and wherein the standby source is kept energized so as to operate to commutate such transfer switch through the inverter just before initiating UPS mode of operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.