Active inrush current control for AC to DC converters
US6714429B2 · kind B2 · utility
28Cited by
21References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 9, 2002 |
| Grant date | Mar 30, 2004 |
| Priority date | — |
| Expiry date | Aug 9, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S323/908
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides for an apparatus and corresponding method for controlling inrush current in an AC-DC power converter by providing a control circuit to limit inrush current efficiently during cold startup, warm startup, and power line disturbance conditions. The present invention controls inrush current without the need for an extra series lossy dissipative device and without causing undesirable voltage surges at the input of the DC—DC converter stage. The preferred embodiment includes use of the present invention for AC-DC converters having active power factor correction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.