Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11689013 | Source-network coordination type direct-current (DC) circuit breaker based on pre-charged capacitors for modular multilevel converters (MMC) based DC grid | Xiaolong Chen, Yongli Li | 2023-06-27 |
| 11444450 | Adaptive fault clearing scheme for MMC VSC-HVDC grid based on source-grid coordination | Xiaolong Chen, Yongli Li, Bin Li, Botong Li | 2022-09-13 |
| 4979303 | Self hair cutting device | — | 1990-12-25 |
| 4868988 | Self hair cutting device | — | 1989-09-26 |