Power conversion system
US11309878B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2020 |
| Grant date | Apr 19, 2022 |
| Priority date | — |
| Expiry date | Oct 12, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B70/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A power conversion system is provided. The power conversion system includes a power conversion circuit and N clamping circuits. The power conversion circuit includes an input port, an output port, N switching power conversion units and N−1 storage device. The switching power conversion unit includes a first switch and a second switch. N is an integer larger than 1. Two ends of the storage device have a first node and a second node respectively. The clamping circuit includes an absorbing capacitor and an absorbing diode and has a first terminal, a second terminal and a third terminal. The first and second terminals are electrically connected to two ends of the corresponding second switch respectively. The absorbing capacitor and the absorbing diode are serially coupled between the first and second terminals for absorbing a peak voltage. The third terminal is electrically connected to the corresponding first node or the input port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.