Method and system for validating wind turbine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F03D-007/04
F03D-011/00
출원번호
US-0790130
(2010-05-28)
등록번호
US-8360722
(2013-01-29)
발명자
/ 주소
Hoffmann, Till
Torbohm, Gert
Gandhi, Jignesh
Slack, Robert Peter
출원인 / 주소
General Electric Company
인용정보
피인용 횟수 :
7인용 특허 :
6
초록▼
A method of validating a wind turbine including a rotor includes intentionally inducing a loading imbalance to the rotor. The method also includes measuring the loading imbalance induced to the rotor, transmitting a signal representative of the measured loading imbalance to a calibration module, and
A method of validating a wind turbine including a rotor includes intentionally inducing a loading imbalance to the rotor. The method also includes measuring the loading imbalance induced to the rotor, transmitting a signal representative of the measured loading imbalance to a calibration module, and at least one of detecting an error and calibrating at least one component of the wind turbine based on the signal.
대표청구항▼
1. A method of validating a wind turbine including a rotor, said method comprising: intentionally inducing a loading imbalance to the rotor;measuring the loading imbalance induced to the rotor;transmitting a signal representative of the measured loading imbalance to a calibration module;analyzing th
1. A method of validating a wind turbine including a rotor, said method comprising: intentionally inducing a loading imbalance to the rotor;measuring the loading imbalance induced to the rotor;transmitting a signal representative of the measured loading imbalance to a calibration module;analyzing the signal by performing a frequency decomposition on the signal to calculate at least one of a magnitude of the loading imbalance and a phase of the loading imbalance; and,at least one of detecting an error and calibrating at least one component of the wind turbine based on the signal. 2. A method in accordance with claim 1, further comprising comparing the calculated phase of the loading imbalance with an expected phase of the loading imbalance to determine a rotor position measurement error. 3. A method in accordance with claim 1, further comprising comparing the calculated phase of the loading imbalance with an expected phase of the loading imbalance to determine a rotor blade installation order error. 4. A method in accordance with claim 1, further comprising comparing the calculated magnitude of the loading imbalance with an expected magnitude of the loading imbalance to calculate at least one a pitch angle calibration factor. 5. A method in accordance with claim 1, wherein the rotor includes a first rotor blade and a second rotor blade, said intentionally inducing a loading imbalance to the rotor comprises changing a pitch angle of the first rotor blade to induce a loading imbalance to the rotor, the pitch angle different from a pitch angle of the second rotor blade. 6. A method in accordance with claim 5, further comprising: waiting for a predefined time to elapse after changing the pitch angle of the first rotor blade; and,measuring the loading imbalance induced to the rotor during the elapsed predefined time. 7. A wind turbine, comprising: a rotor comprising at least two rotor blades; and,a load control system configured to adjust a pitch angle of at least one rotor blade of said two rotor blades, said load control system further configured to: intentionally induce a loading imbalance to said rotor;measure the loading imbalance induced to said rotor;transmit a signal representative of the measured loading imbalance to a calibration module;perform a frequency decomposition on the signal to calculate at least one of a magnitude of the loading imbalance and a phase of the loading imbalance; andat least one of detect an error and calibrate at least one component of said wind turbine based on the signal. 8. A wind turbine in accordance with claim 7, wherein said load control system is further configured to compare the calculated phase of the loading imbalance with an expected phase of the loading imbalance to determine a rotor position measurement error. 9. A wind turbine in accordance with claim 7, wherein said load control system is further configured to compare the calculated phase of the loading imbalance with an expected phase of the loading imbalance to determine a rotor blade installation order error. 10. A wind turbine in accordance with claim 7, wherein said load control system is further configured to divide the calculated magnitude of the loading imbalance by the calculated phase of the loading imbalance to calculate a pitch angle calibration factor. 11. A wind turbine in accordance with claim 7, wherein said load control system is configured to change a pitch angle of a first rotor blade of said two rotor blades to induce a loading imbalance to said rotor, the pitch angle of said first rotor blade different from a pitch angle of a second rotor blade of said two rotor blades. 12. A wind turbine in accordance with claim 11, wherein said load control system is further configured to: wait for a predefined time to elapse after changing the pitch angle of said first rotor blade; and,measure the loading imbalance induced to said rotor during the elapsed predefined time. 13. A load control system for a wind turbine that includes a rotor, said load control system configured to intentionally induce a loading imbalance to the rotor, said load control system comprising: at least one sensor configured to measure the loading imbalance within the rotor and to generate a signal representative of the measured loading imbalance; and,a calibration module configured to: receive the signal;perform a frequency decomposition on the signal to calculate at least one of a magnitude of the loading imbalance and a phase of the loading imbalance; and,at least one of detect an error and calibrate at least one component of the wind turbine based on the signal. 14. A load control system in accordance with claim 13, wherein said calibration module is further configured to compare the calculated phase of the loading imbalance with an expected phase of the loading imbalance to determine a rotor position measurement error. 15. A load control system in accordance with claim 13, wherein said calibration module is further configured to compare the calculated phase of the loading imbalance with an expected phase of the loading imbalance to determine a rotor blade installation order error. 16. A load control system in accordance with claim 13, wherein said calibration module is further configured to compare the calculated magnitude of the loading imbalance with an expected magnitude of the loading imbalance to calculate a pitch angle calibration factor. 17. A load control system in accordance with claim 13, wherein the rotor includes a rotor blade, and wherein a pitch angle of the rotor blade is changed to induce the loading imbalance, said load control system configured to: wait for a predefined time to elapse after the pitch angle of the rotor blade is changed; and,measure the loading imbalance during the elapsed predefined time.
연구과제 타임라인
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