Electric motor signature reduction system
US9520816B2 · kind B2 · utility
0Cited by
9References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2013 |
| Grant date | Dec 13, 2016 |
| Priority date | — |
| Expiry date | Dec 19, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/72
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for controlling a group of electric motors. A controller is configured to identify a group of switching frequencies for a desired signature for the group of electric motors. The controller is further configured to control switching of a current supplied to the group of electric motors with the group of switching frequencies for the desired signature identified.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.