Current flare out limit control for PWM converter
US4357572A · kind A · utility
40Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 1981 |
| Grant date | Nov 2, 1982 |
| Priority date | — |
| Expiry date | Mar 26, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/156
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A pulse-width modulated current regulator (FIG. 4) includes a current flare out control (406,407,409,412) to limit current output at low output voltages. Current variation in an output filter inductor (408) is monitored and compared with a reference standard (407). A conduction interval is controlled in response to the comparison in order to limit current flare out.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.