Uninterruptible power supply system
US9837854B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2012 |
| Grant date | Dec 5, 2017 |
| Priority date | — |
| Expiry date | Nov 29, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J9/068
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is an uninterruptible power supply system, including a sub power supply device configured to supply or cut off sub input power to a load device; a battery configured to supply or cut off battery input power to the load device; and an uninterruptible power supply device that is electrically connected to the sub power supply device and the battery, and when main input power is selectively received and supplied to the load device or the battery input power is selectively received and supplied to the load device, determines whether the main input power and the battery input power are within a predetermined reference main input power range and reference battery input power range, and when the main input power and the battery input power are outside of the reference main input power range and the reference battery input power range, receives the sub input power and supplies the power to the load device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.