SCR based AC precharge protection
US11025052B2 · kind B2 · utility
1Cited by
61References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2018 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Jan 2, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P27/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Power converters, protection systems and methods to protect a precharge circuit in which a precharge resistor voltage is indirectly monitored during a normal operating mode, and a rectifier and an inverter are selectively disabled in response to the indirectly measured precharge resistor voltage indicating a fault in a precharge circuit SCR.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.