Switched-mode power supply with magnetic flux density control
US5940281A · kind A · utility
16Cited by
26References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 8, 1998 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Jan 8, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M3/33546
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switched-mode power supply with a transformer where the output current or the output voltage is controlled or regulated as a function of the, magnetic flux density of the transformer. Thus it is advantageously avoided that the transformer runs into saturation, especially at large pulse widths. Due to the fact that the magnetic flux density is limited to a preset level, the power components can be optimized because of the limited thermal stress.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.