System and methods for determining a monitor set point limit for a wind turbine
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B63H-003/06
B63H-003/10
F03D-007/00
출원번호
US-0558290
(2009-09-11)
등록번호
US-8328514
(2012-12-11)
발명자
/ 주소
Viripullan, Renjith
Edenfeld, Thomas
Chauhan, Vijendra Singh
Wittekind, Lothar
Ahmann, Udo
출원인 / 주소
General Electric Company
대리인 / 주소
McGinness, Esq., James
인용정보
피인용 횟수 :
8인용 특허 :
16
초록▼
A method for controlling operation of a wind turbine is described. The wind turbine includes a rotor having a plurality of rotor blades. The method includes measuring an atmospheric condition associated with the environment surrounding the wind turbine, providing the measured atmospheric condition t
A method for controlling operation of a wind turbine is described. The wind turbine includes a rotor having a plurality of rotor blades. The method includes measuring an atmospheric condition associated with the environment surrounding the wind turbine, providing the measured atmospheric condition to a processor, and determining at least one monitor set point limit based at least partially on the measured atmospheric condition. The method also includes applying the at least one monitor set point limit to wind turbine operation.
대표청구항▼
1. A method for controlling operation of a wind turbine, the wind turbine comprising a rotor having a plurality of rotor blades, said method comprising: measuring an atmospheric condition associated with the environment surrounding the wind turbine;providing the measured atmospheric condition to a p
1. A method for controlling operation of a wind turbine, the wind turbine comprising a rotor having a plurality of rotor blades, said method comprising: measuring an atmospheric condition associated with the environment surrounding the wind turbine;providing the measured atmospheric condition to a processor;determining at least one monitor set point limitmodifying the at least one monitor set point limit based at least partially on the measured atmospheric condition; and,applying the at least one modified monitor set point limit to wind turbine operation. 2. A method in accordance with claim 1, wherein measuring an atmospheric condition comprises measuring at least one of an ambient air density, an ambient air pressure, an ambient air temperature, and a wind turbulence intensity. 3. A method in accordance with claim 1, wherein determining at least one monitor set point limit comprises determining at least one of an over speed set point limit, a blade pitch asymmetry set point limit, an operating temperature set point limit, and an operating vibration level set point limit based at least partially on the measured atmospheric condition. 4. A method in accordance with claim 3, wherein modifying the at least one monitor set point limit comprises modifying a pre-set monitor set point limit based at least partially on the measured atmospheric condition. 5. A method in accordance with claim 4, wherein modifying a pre-set monitor set point limit comprises increasing at least one of the over speed set point limit, the blade pitch asymmetry set point limit, the operating temperature set point limit, and the operating vibration level set point limit when at least one of: an air turbulence intensity is below a predetermined level;an ambient air temperature is above a predetermined level;an ambient air density is below a predetermined level; and,an ambient air pressure is below a predetermined level. 6. A method in accordance with claim 1, further comprising, determining at least one rated power set point based at least partially on the measured atmospheric condition. 7. A method in accordance with claim 1, wherein applying the at least one monitor set point limit to wind turbine operation comprises measuring at least one operating condition associated with wind turbine operation. 8. A method in accordance with claim 7, wherein measuring at least one operating condition comprises measuring at least one of a rotational speed of a shaft, a tower top vibration level, a variation of wind across a horizontal rotor plane, a variation of wind across a vertical rotor plane, a component operating temperature, a blade pitch, and a yaw error. 9. A method in accordance with claim 7, wherein applying the at least one monitor set point limit to wind turbine operation comprises shutting down the wind turbine if the measured operating condition meets or exceeds the monitor set point limit. 10. A method in accordance with claim 1, further comprising, storing predetermined monitor set point limits that correspond to potential atmospheric conditions. 11. A method in accordance with claim 10, wherein determining the at least one monitor set point limit comprises comparing the measured atmospheric condition to the potential atmospheric conditions and corresponding stored monitor set point limits. 12. A method for assembling a wind turbine configured to operate with at least one pre-set monitor set point limit, the wind turbine comprising a system controller, said method comprising: positioning an atmospheric condition sensor on or in close proximity to the wind turbine;coupling the atmospheric condition sensor to the system controller; and,configuring the system controller to modify the at least one pre-set monitor set point limit based on the measured atmospheric condition. 13. A method in accordance with claim 12, wherein positioning an atmospheric condition sensor on or in close proximity to the wind turbine comprises positioning at least one of an ambient air density sensor, an ambient air pressure sensor, an ambient air temperature sensor, and a wind turbulence intensity sensor. 14. A method in accordance with claim 12, further comprising, configuring the system controller to apply the at least one modified pre-set monitor set point limit to wind turbine operation. 15. A method in accordance with claim 14, wherein configuring the system controller to apply the at least one modified pre-set monitor set point limit to wind turbine operation comprises configuring the system controller to shut down the wind turbine if the at least one modified pre-set monitor set point limit is met or exceeded. 16. A method in accordance with claim 12, further comprising, configuring the system controller to determine at least one variable rated power set point based at least partially on the atmospheric condition measured by the atmospheric condition sensor. 17. A method in accordance with claim 12, wherein configuring the system controller to modify the at least one pre-set monitor set point limit comprises configuring the system controller to determine at least one of an over speed set point limit, a blade pitch asymmetry set point limit, an operating temperature set point limit, and an operating vibration level set point limit based at least partially on the measured atmospheric condition. 18. A method in accordance with claim 17, wherein configuring the system controller to modify the at least one pre-set monitor set point limit comprises configuring the system controller to increase at least one of the over speed set point limit, the blade pitch asymmetry set point limit, the operating temperature set point limit, and the operating vibration level set point limit when at least one of: an air turbulence intensity is below a predetermined level;an ambient air temperature is above a predetermined level;an ambient air density is below a predetermined level; and,an ambient air pressure is below a predetermined level. 19. A method for facilitating operating a wind turbine having at least one pre-set monitor set point limit, the wind turbine comprising a system controller, said method comprising: configuring an atmospheric condition sensor to provide the system controller with at least one atmospheric condition measurement; and,configuring the system controller to: receive the at least one atmospheric condition measurement,modify the at least one pre-set monitor set point limit based on the at least one atmospheric condition measurement and data stored in a memory coupled to the system controller, and,apply the at least one modified pre-set monitor set point limit to wind turbine operation. 20. A method in accordance with claim 19, wherein configuring the system controller to modify the at least one pre-set monitor set point limit comprises increasing the pre-set monitor set point limit by a predetermined amount when at least one of: an air turbulence intensity is below a predetermined level;an ambient air temperature is above a predetermined level;an ambient air density is below a predetermined level; and,an ambient air pressure is below a predetermined level. 21. A method in accordance with claim 19, wherein configuring the system controller to apply the at least one modified pre-set monitor set point limit comprises configuring the system controller to shut down the wind turbine if the monitor set point limit is met or exceeded. 22. A wind turbine control system comprising: an atmospheric condition sensor positioned on or in close proximity to a body of the wind turbine, said atmospheric condition sensor configured to measure at least one atmospheric condition; and,a processor coupled to said atmospheric condition sensor, said processor configured to: receive at least one atmospheric condition measurement from said atmospheric condition sensor,determine at least one monitor set point limit and,modify the at least one monitor set point limit based on the at least one atmospheric condition measurement and data stored in said memory device. 23. A wind turbine control system in accordance with claim 22, further comprising, a memory device coupled to said processor, said memory device configured to store potential atmospheric conditions and corresponding monitor set point limits in a database. 24. A wind turbine control system in accordance with claim 23, wherein said processor is further configured to modify a pre-set monitor set point limit based on the at least one atmospheric condition measurement and data stored in said memory device. 25. A wind turbine control system in accordance with claim 24, wherein said processor is further configured to increase the pre-set monitor set point limit by a predetermined amount when at least one of: an air turbulence intensity is below a predetermined level;an ambient air temperature is above a predetermined level;an ambient air density is below a predetermined level; and,an ambient air pressure is below a predetermined level. 26. A wind turbine control system in accordance with claim 22, wherein said processor is further configured to apply the at least one monitor set point limit to wind turbine operation. 27. A computer program embodied on a non-transitory computer readable medium for determining at least one pre-set monitor set point limit for a wind turbine, said program comprising at least one code segment that: receives measured atmospheric condition data provided by an atmospheric condition sensor; and,modifies the at least one pre-set monitor set point limit based at least partially on the received atmospheric condition data. 28. A computer program in accordance with claim 27, further comprising, at least one code segment that stores in a memory potential atmospheric conditions and corresponding monitor set point limits. 29. A computer program in accordance with claim 28, further comprising, at least one code segment that compares the measured atmospheric condition data provided by the atmospheric condition sensor to the stored atmospheric conditions and corresponding monitor set point limits.
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이 특허에 인용된 특허 (16)
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