Uninterruptible power supply systems and methods for communications systems
US9030048B2 · kind B2 · utility
10Cited by
33References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 2011 |
| Grant date | May 12, 2015 |
| Priority date | — |
| Expiry date | Sep 27, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY04S50/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An uninterruptible power supply for supply electrical power to a load, comprises a connection to a primary source for supplying primary power, a battery system for storing battery power, an inverter, and a controller. The controller controls the inverter to operate in a first mode, a second mode, and in a third mode. In the first mode, power is supplied to the primary load and the battery system based on primary power. In the second mode, power is supplied to the primary load based on battery power. In the third mode, power is supplied to the primary source based on battery power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.