Isolation fault detection on DC charge bus
US12043124B2 · kind B2 · utility
0Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2022 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Jul 30, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/14
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A vehicle power system includes at least one main switch to electrically connect a traction battery and electric machine, at least one DC charge switch to electrically connect the traction battery and a DC charge port when the at least one main switch is closed, and a controller to, while the DC charge port is disconnected from a DC power source, sequentially close the at least one DC charge switch and then the at least one main switch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.