Current sensor apparatus and method for uninterruptible power supply
US7550872B2 · kind B2 · utility
7Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2006 |
| Grant date | Jun 23, 2009 |
| Priority date | — |
| Expiry date | Dec 19, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A UPS has a current sensor for controlling operation of a UPS main power circuit positioned in series with the AC supply voltage so as to measure the net current used by each component connected to the UPS main power circuit. Feedback from the current sensor received by a control circuit is used to achieve unity power factor operation with the UPS. The current sensor location and operation is adaptable to both single phase and three phase operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.