Electric actuator including two current-controlled voltage inverters powering an electrical machine, and reconfigurable in the presence of a defect
US8604733B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 23, 2009 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Aug 7, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P29/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an actuator including an electrical machine. The electrical actuator (100) comprising: a polyphase machine (101); at least one connection member (143) for powering the actuator from at least one network (146) delivering alternating current; and first and second buses (106, 107) connected in parallel between each connection member (143) and the machine (101) for applying frequency control thereto. Each inverter (111, 131) comprises a plurality of arms each having two controlled switches, each phase of the machine (101) being connected both to the two switches of an arm of the first inverter (111) and also to the two switches of an arm of the second inverter (131). The actuator further comprises controlled connection and disconnection means interposed between each bus (106, 107) and each connection member. The invention is applicable to actuators used in aviation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.