Control device for wind power systems having power failure detection
US8478448B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 4, 2008 |
| Grant date | Jul 2, 2013 |
| Priority date | — |
| Expiry date | Mar 18, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A wind energy installation control device includes a wind rotor, a generator driven by the wind rotor, a torque control unit configured to control a torque of the generator, and a control system. The control system includes a detector configured to identify a grid dip and an end of the grid dip, a residual torque transmitter configured to provide a set point for a torque of the generator after identification of the grid dip, and an initializer configured to initialize a component of the torque control unit at the set point. Accordingly, upon return of grid power after a grid dip, the vibration behavior of a wind power system can be significantly improved. Overload of a drive train upon return of grid voltage can thus be reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.