Method and device for damping of LCL filter during start-up of an electronic appliance
US11575309B2 · kind B2 · utility
0Cited by
4References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 2, 2021 |
| Grant date | Feb 7, 2023 |
| Priority date | — |
| Expiry date | Aug 2, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M7/483
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electronic appliance such as a low harmonic drive, an active rectifier, a grid converter or any active front end or grid converter with an LCL filter. The converter is a two-level, a three-level or a multilevel inverter. The electronic appliance includes an LCL filter on a grid side of the electronic appliance and an active front end rectifier provided on a load side of the electronic appliance. The LCL filter includes grid side inductors and an active front end rectifier is connected to the LCL filter. A method for damping a corresponding electronic appliance is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.