IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0486101
(2009-06-17)
|
등록번호 |
US-8303249
(2012-11-06)
|
발명자
/ 주소 |
- Haans, Wouter
- Willey, Lawrence D.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
2 |
초록
▼
A method for optimizing energy production in a wind turbine includes pitching a plurality of rotor blades to a full operational angle, and utilizing an active flow control device in accordance with a generator speed and a rotor blade pitch setting to facilitate maintaining a predetermined generator
A method for optimizing energy production in a wind turbine includes pitching a plurality of rotor blades to a full operational angle, and utilizing an active flow control device in accordance with a generator speed and a rotor blade pitch setting to facilitate maintaining a predetermined generator rated power level.
대표청구항
▼
1. A method for optimizing energy production in a wind turbine, the wind turbine having a plurality of rotor blades and a generator, said method comprising: pitching the plurality of rotor blades towards a full operational angle;activating an active flow control device in combination with a generato
1. A method for optimizing energy production in a wind turbine, the wind turbine having a plurality of rotor blades and a generator, said method comprising: pitching the plurality of rotor blades towards a full operational angle;activating an active flow control device in combination with a generator speed of the generator and a rotor blade pitch setting to facilitate maintaining a predetermined generator rated power level; and,maintaining a pitch of the plurality of rotor blades at an angle less than the full operational angle while substantially simultaneously activating the active flow control device. 2. A method in accordance with claim 1, wherein prior to pitching the plurality of rotor blades to the full operational angle, said method further comprising: determining a wind speed sufficient to enable power production;measuring a wind speed over a duration of time; and,if the wind speed is determined to be sufficient to enable power production, pitching the plurality of rotor blades to a minimum operational angle. 3. A method in accordance with claim 1, wherein activating the active flow control device in combination with the generator speed and the rotor blade pitch setting further comprises: activating the active flow control device prior to achieving a generator rated power for the wind turbine;upon achieving a rated speed of the wind turbine, adjusting the active flow control device to a fully activated mode; and,upon achieving the generator rated power, adjusting the active flow control device from the fully activated mode. 4. A method in accordance with claim 3, wherein adjusting the active flow control device to the fully activated mode comprises adjusting the active flow control device in combination with at least one of a pitch of the plurality of rotor blades and a rotational speed of the plurality of rotor blades. 5. A method in accordance with claim 3, further comprising, subsequent to activating the active flow control device, pitching the plurality of rotor blades towards a feathered position. 6. A method in accordance with claim 3, wherein adjusting the active flow control device from the fully activated mode comprises adjusting the active flow control device while substantially simultaneously pitching the plurality of rotor blades towards a feathered position. 7. A method in accordance with claim 3, further comprising, upon reaching a pre-determined cut-out speed for the wind turbine, pitching the plurality of rotor blades towards a fully feathered position to facilitate preventing damage to the wind turbine. 8. A method of operating a wind turbine, said method comprising: operatively coupling an active flow control device to a control system within the wind turbine;pitching a plurality of rotor blades to a full operational angle;activating the active flow control device prior to achieving a generator rated power for the wind turbine;maintaining a pitch of the plurality of rotor blades at an angle less than the full operational angle while substantially simultaneously activating the active flow control device to facilitate a transition of a generator speed to reach a generator rated speed;upon achieving a rated speed of the wind turbine, adjusting the active flow control device to a fully activated mode; and,upon achieving the generator rated power, adjusting the active flow control device from the fully activated mode. 9. A method in accordance with claim 8, wherein prior to pitching the plurality of rotor blades to the full operational angle, said method further comprising: determining a wind speed sufficient to enable power production;measuring the wind speed over a duration of time to; and,if the wind speed is determined to be sufficient to enable power production, pitching the plurality of rotor blades to a minimum operational angle. 10. A method in accordance with claim 8, wherein adjusting the active flow control device to the fully activated mode comprises adjusting the active flow control device in combination with at least one of a pitch of the plurality of rotor blades and a rotational speed of the plurality of rotor blades. 11. A method in accordance with claim 8, further comprising, subsequent to activating the active flow control device, pitching the plurality of rotor blades towards a feathered position. 12. A method in accordance with claim 8, wherein adjusting the active flow control device from the fully activated mode comprises adjusting the active flow control device while substantially simultaneously pitching the plurality of rotor blades towards a feathered position. 13. A method in accordance with claim 8, further comprising, upon reaching a pre-determined cut-out speed for the wind turbine, pitching the plurality of rotor blades towards a fully feathered position to facilitate preventing damage to the wind turbine. 14. A method in accordance with claim 8, wherein subsequent to activating the active flow control device, further comprising maintaining a pitch of the plurality of rotor blades at an angle less than the full operational angle. 15. A wind turbine comprising: a generator;a plurality of rotor blades;an active flow control device operatively coupled to a respective rotor blade of the plurality of rotor blades; and,a control system communicatively coupled to the active flow control device and configured to optimize energy production in the wind turbine based on a generator speed, a rotor blade pitch setting and an active flow control device setting, said control system comprising a processor programmed to: pitch the plurality of rotor blades towards a full operational angle;activate the active flow control device in combination with a generator speed of said generator and the rotor blade pitch setting to facilitate maintaining a predetermined generator rated power level; and,maintain a pitch of the plurality of rotor blades at an angle less than the full operational angle while substantially simultaneously activating the active flow control device. 16. A wind turbine in accordance with claim 15, wherein said processor is further programmed to: activate the active flow control device prior to achieving a generator rated power for the wind turbine;upon achieving a rated speed of the wind turbine, adjust the active flow control device to a fully activated mode; and,upon achieving the generator rated power, adjust the active flow control device from the fully activated mode. 17. A wind turbine in accordance with claim 16, wherein prior to pitching the plurality of rotor blades to the full operational angle, said processor is programmed to: measure a wind speed over a duration of time to determining a wind speed sufficient to enable power production; and,pitch the plurality of rotor blades to a minimum operational angle if the wind speed is determined to be sufficient to enable power production. 18. A wind turbine in accordance with claim 16, wherein said processor programmed to adjust the active flow control device to a fully activated mode comprises adjusting the active flow control device with at least one of stepped increments and substantially continuous adjustment in combination with at least one of a pitch of the plurality of rotor blades and a rotational speed of the plurality of rotor blades. 19. A wind turbine in accordance with claim 16, wherein, subsequent to activating the active flow control device, said processor is further programmed to pitch the plurality of rotor blades towards a feathered position. 20. A wind turbine in accordance with claim 16, wherein said processor programmed to adjust the active flow control device from the fully activated mode comprises said processor programmed to at least one of adjust the active flow control device substantially continuously, linearly and non-linearly and substantially simultaneously pitch the plurality of rotor blades towards a feathered position. 21. A wind turbine in accordance with claim 16, wherein, upon reaching a pre-determined cut-out speed for the wind turbine, said processor is programmed to pitch the plurality of rotor blades towards a fully feathered position to facilitate preventing damage to the wind turbine.
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