Method and system for operating a wind turbine during a fault
US9528494B2 · kind B2 · utility
2Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2010 |
| Grant date | Dec 27, 2016 |
| Priority date | — |
| Expiry date | Dec 13, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method and a system for operating a wind turbine (10) during a fault. The system includes a pitch motor for rotating each rotor blade (18), second pitch sensors (72) for determining when the rotor blade (18) is rotated to a set point, and a backup pitch controller (80). After a fault is detected, the method determines whether the wind speed in the vicinity of the wind turbine (10) is less than or greater than or equal to a maximum rated velocity of the wind turbine (10). The backup pitch controller (80) then rotates the rotor blades (18) to a specific set point based on the determination.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.