Dual active bridge converter cell with split energy transfer inductor for optimized current balancing in the medium frequency transformer (MFT)
US11984812B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2020 |
| Grant date | May 14, 2024 |
| Priority date | — |
| Expiry date | May 27, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dual active bridge DC/DC converter in accordance with the invention comprises a first DC link, preferably comprising a first DC link capacitor; a converter bridge connected to the first DC link; a transformer, preferably a medium frequency transformer, having a primary side and a secondary side; the primary side of the transformer comprising a plurality of M>1 primary windings, each of the plurality of primary windings having a first and a second terminal; wherein the dual active bridge DC/DC converter further comprises a first plurality of M energy transfer inductors; and wherein for each of the M primary windings, a different one from the first plurality of energy transfer inductors is connected between said primary winding bridge and the converter bridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.