Systems and method for operating a wind turbine having active flow control
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G05D-003/12
F03D-011/00
G01B-011/16
G01H-009/00
출원번호
US-0613274
(2009-11-05)
등록번호
US-8321062
(2012-11-27)
발명자
/ 주소
Nies, Jacob Johannes
Haans, Wouter
출원인 / 주소
General Electric Company
대리인 / 주소
McGinness, James
인용정보
피인용 횟수 :
6인용 특허 :
14
초록▼
A method of operating a wind turbine that includes a flow control system includes operating the wind turbine in a first mode, operating the wind turbine in a second mode that is different than the first mode, acquiring operational data of the wind turbine during at least the second mode, determining
A method of operating a wind turbine that includes a flow control system includes operating the wind turbine in a first mode, operating the wind turbine in a second mode that is different than the first mode, acquiring operational data of the wind turbine during at least the second mode, determining an effectiveness of the flow control system using the acquired operational data, and performing an action based on the effectiveness of the flow control system.
대표청구항▼
1. A method of operating a wind turbine that includes an active flow control system having an air distribution system at least partially defined within at least one blade of the wind turbine, the active flow control system including a detection device including an isolation device, said method compr
1. A method of operating a wind turbine that includes an active flow control system having an air distribution system at least partially defined within at least one blade of the wind turbine, the active flow control system including a detection device including an isolation device, said method comprising: operating the wind turbine in a normal mode using the air distribution system;operating the wind turbine in a cleaning mode that is different than the normal mode by: positioning the isolation device within a manifold of the air distribution system;activating the isolation device to partition the manifold into at least two chambers; and,channeling a fluid flow into at least one of the two chambers within the manifold;acquiring operational data of the wind turbine during at least the cleaning mode by: determining a first pressure within a first chamber of the two chambers;determining a second pressure within a second chamber of the two chambers; and,comparing the first pressure with the second pressure;determining a state of fouling of the air distribution system using the acquired operational data; and,performing an action based on the state of fouling of the air distribution system. 2. A method in accordance with claim 1, wherein operating the wind turbine in the cleaning mode that is different than the normal mode further comprises varying a level of active flow control response of the active flow control system over a period of time to acquire the operational data used to determine the state of fouling. 3. A method in accordance with claim 1, wherein acquiring operational data of the wind turbine during at least the cleaning mode comprises acquiring at least one of a power output of the wind turbine, a load in a component of the wind turbine, a blade section load measurement of the blade, a blade root bending moment of the blade, and data relating to an internal quantity of the blade. 4. A method in accordance with claim 1, wherein performing an action based on the state of fouling of the air distribution system comprises performing at least one of transmitting a smart warning message to an operator of the wind turbine, transmitting a smart alarm message to the operator of the wind turbine, changing a mode of operation of the wind turbine to the cleaning mode, and shutting down the wind turbine. 5. A method of operating a wind turbine that includes an active flow control system having an air distribution system at least partially defined within at least one blade of the wind turbine, said method comprising: operating the wind turbine in a normal mode using the air distribution system;operating the wind turbine in a cleaning mode that is different than the normal mode by: positioning at least one external light sensor with respect to a blade of the wind turbine; and,positioning at least one internal light sensor within a manifold of the air distribution system;acquiring operational data of the wind turbine during at least the cleaning mode;determining a state of fouling of the air distribution system using the acquired operational data; and,performing an action based on the state of fouling of the air distribution system. 6. A method in accordance with claim 5, wherein acquiring operational data of the wind turbine during at least the cleaning mode comprises: acquiring first light data from the external light sensor;acquiring second light data from the internal light sensor; and,comparing the first light data with the second light data to determine the state of fouling of the air distribution system. 7. A method in accordance with claim 5, wherein operating the wind turbine in the cleaning mode that is different than the normal mode further comprises varying a level of active flow control response of the active flow control system over a period of time to acquire the operational data used to determine the state of fouling. 8. A method in accordance with claim 5, wherein acquiring operational data of the wind turbine during at least the cleaning mode comprises acquiring at least one of a power output of the wind turbine, a load in a component of the wind turbine, a blade section load measurement of the blade, a blade root bending moment of the blade, and data relating to an internal quantity of the blade. 9. A method in accordance with claim 5, wherein performing an action based on the state of fouling of the air distribution system comprises performing at least one of transmitting a smart warning message to an operator of the wind turbine, transmitting a smart alarm message to the operator of the wind turbine, changing a mode of operation of the wind turbine to the cleaning mode, and shutting down the wind turbine. 10. An active flow control system for use with a wind turbine, said active flow control system comprising: an air distribution system at least partially defined within at least one blade of the wind turbine, said air distribution system comprising a manifold and at least one aperture defined through an outer surface of the blade at the manifold;a detection system comprising an isolation device positioned within said manifold of said air distribution system; and,a control system in operational control communication with said air distribution system, said control system configured to: operate the wind turbine in a normal mode using said air distribution system;operate the wind turbine in a cleaning mode that is different than the normal mode by activating said isolation device to partition said manifold into at least two chambers and channeling a fluid flow into at least one of said two chambers within said manifold;acquire operational data of said wind turbine during at least said cleaning mode by determining a first pressure within a first chamber of said two chambers and determining a second pressure within a second chamber of said two chambers;determine a state of fouling of said air distribution system using the acquired operational data by comparing the first pressure with the second pressure; and,perform an action based on the state of fouling of said air distribution system. 11. An active flow control system in accordance with claim 10, wherein said control system is configured to acquire at least one of a power output of the wind turbine, a load in the blade, a blade section load measurement of the blade, a blade root bending moment of the blade, and data relating to an internal quantity of the blade, wherein the internal quantity comprises at least one of a power required to discharge fluid from said air distribution system, a pressure in said manifold of said air distribution system, and a flow rate in said manifold with respect to time. 12. An active flow control system in accordance with claim 10, wherein said control system is configured to detect the state of fouling, detect an opportunity to correct the fouling, and operate the wind turbine in said cleaning mode to facilitate removing debris from said air distribution system. 13. An active flow control system in accordance with claim 10, wherein said control system is configured to vary a level of active flow control response over a period of time depending on at least one of an ambient condition, an environmental condition, and an operational parameter to acquire the operational data. 14. An active flow control system for use with a wind turbine, said active flow control system comprising: an air distribution system at least partially defined within at least one blade of the wind turbine, said air distribution system comprising a manifold and at least one aperture defined through an outer surface of the blade at the manifold;a detection system comprising at least one external light sensor positioned on the outer surface of the blade and at least one internal light sensor positioned within said manifold of said air distribution system; and,a control system in operational control communication with said air distribution system, said control system configured to: operate the wind turbine in a normal mode using said air distribution system;operate the wind turbine in a cleaning mode that is different than the normal mode;acquire operational data of said wind turbine during at least said cleaning mode by acquiring first light data from said external light sensor and acquiring second light data from said internal light sensor;determine a state of fouling of said air distribution system using the acquired operational data by comparing the first light data with the second light data; and,perform an action based on the state of fouling of said air distribution system. 15. An active flow control system in accordance with claim 14, wherein said control system is configured to acquire at least one of a power output of the wind turbine, a load in the blade, a blade section load measurement of the blade, a blade root bending moment of the blade, and data relating to an internal quantity of the blade, wherein the internal quantity comprises at least one of a power required to discharge fluid from said air distribution system, a pressure in said manifold of said air distribution system, and a flow rate in said manifold with respect to time. 16. An active flow control system in accordance with claim 14, wherein said control system is configured to detect the state of fouling, detect an opportunity to correct the fouling, and operate the wind turbine in said cleaning mode to facilitate removing debris from said air distribution system. 17. An active flow control system in accordance with claim 14, wherein said control system is configured to vary a level of active flow control response over a period of time depending on at least one of an ambient condition, an environmental condition, and an operational parameter to acquire the operational data. 18. A wind turbine, comprising: at least one blade;an active flow control system comprising an air distribution system at least partially defined within said blade, said air distribution system comprising a manifold and at least one aperture defined through an outer surface of said blade at said manifold;a detection system comprising at least one external light sensor positioned on the outer surface of the blade and at least one internal light sensor positioned within said manifold of said air distribution system; and,a control system in operational control communication with said active flow control system, said control system configured to: operate said wind turbine in a normal mode using said air distribution system;operate said wind turbine in a cleaning mode that is different than the normal mode;acquire operational data of said wind turbine during at least the cleaning mode by acquiring first light data from said external light sensor and acquiring second light data from said internal light sensor;determine a state of fouling of said air distribution system using the acquired operational data by comparing the first light data with the second light data; and,perform an action based on the state of fouling of said air distribution system. 19. A wind turbine in accordance with claim 18, wherein said control system is further configured to automatically perform at least one of transmitting a smart warning message to an operator of said wind turbine, transmitting a smart alarm message to the operator of said wind turbine, changing a mode of operation of said wind turbine to the cleaning mode, and shutting down said wind turbine.
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이 특허에 인용된 특허 (14)
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Ormel,Frank T.; Donth,Alexander; Siebers,Thomas; Faucherre,Clement; Luetze,Henning, Method, system and computer program product for nacelle wind speed correction.
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