Common mode filter for motor controllers
US8115444B2 · kind B2 · utility
17Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2006 |
| Grant date | Feb 14, 2012 |
| Priority date | — |
| Expiry date | Apr 28, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P2207/01
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor drive circuit has a converter for coupling to an AC voltage source and an inverter coupled to the converter for providing a drive current for a motor. A common mode circulation loop is coupled to the converter and to the inverter, and circulates common mode current from both the converter and the inverter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.