Redundant uninterruptible power supply systems
US9882424B2 · kind B2 · utility
0Cited by
24References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2014 |
| Grant date | Jan 30, 2018 |
| Priority date | — |
| Expiry date | Mar 29, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2310/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A system is provided. The system includes a plurality of uninterruptible power supplies (UPSs), a ring bus, at least one load electrically coupled to the plurality of UPSs and the ring bus, and a controller communicatively coupled to the plurality of UPSs. The controller is configured to calculate a phase angle for each UPS of the plurality of UPSs, wherein the phase angle is calculated relative to a common reference angle, and control operation of each UPS based on the respective calculated phase angles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.