Motor drive with a filter including a three-phase differential mode reactor with common mode damping
US11114992B2 · kind B2 · utility
2Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2019 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | Dec 18, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M1/123
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Motor drive with a T-type filter with at least two three-phase differential mode reactors and three capacitors, wherein at least one of the three-phase differential mode reactor comprises an auxiliary coil (6) wound around three wound core elements (2.1, 2.2, 2.3) such that the common mode current is induced in the auxiliary coil (6).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.