IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0651648
(2012-10-15)
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등록번호 |
US-8860237
(2014-10-14)
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발명자
/ 주소 |
- Ubben, Enno
- Middendorf, Joerg
- Loh, Friedrich
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출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
8 |
초록
▼
In one aspect, a method of selecting wind turbine generators in a wind park for curtailment of output power to provide a wind reserve comprises providing a wind park comprised of a plurality n of wind turbines each having an individual possible power output and the wind park has a combined possible
In one aspect, a method of selecting wind turbine generators in a wind park for curtailment of output power to provide a wind reserve comprises providing a wind park comprised of a plurality n of wind turbines each having an individual possible power output and the wind park has a combined possible power output of X, where X comprises a summation of the individual possible power output of the n wind turbines; setting a power setpoint Y for the wind park, wherein Y≦X and X−Y comprises a wind reserve; selecting, on a non-spatial basis, n−1 or fewer wind turbines from the wind park for power output curtailment; and curtailing power output of one or more of the selected n−1 or fewer wind turbines such that a total power output of the wind park comprises Y.
대표청구항
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1. A method of selecting wind turbine generators in a wind park for curtailment of output power to provide a wind reserve, said method comprising: providing a wind park comprised of a plurality n of wind turbines, wherein the n wind turbines each have an individual possible power output and the wind
1. A method of selecting wind turbine generators in a wind park for curtailment of output power to provide a wind reserve, said method comprising: providing a wind park comprised of a plurality n of wind turbines, wherein the n wind turbines each have an individual possible power output and the wind park has a combined possible power output of X wherein X comprises a summation of the individual possible power outputs of the n wind turbines;setting a power setpoint Y for the wind park, wherein Y≦X and X−Y comprises a wind reserve;assigning a curtailment priority to each of the n wind turbines based on one or more non-spatial factors;selecting n−1 or fewer wind turbines from the wind park for power output curtailment based on the curtailment priority assigned to each of the n wind turbines; andcurtailing power output of one or more of the selected n−1 or fewer wind turbines until a summation of the curtailed power output of the one or more selected n−1 or fewer wind turbines equals X−Y, such that a total power output of the wind park comprises Y. 2. The method of claim 1, wherein said one or more non-spatial factors include at least one of noise produced by a specific wind turbine, distance from a specific wind turbine to a sound sensitive location, expected lifetime of a specific wind turbine's pitch system, contractual requirements, electrical limitations of the wind park, operational characteristics of a specific wind turbine, need to perform maintenance on a specific wind turbine pitch movements of a specific wind turbine, cumulative curtailment time of a specific wind turbine or operating conditions of the wind turbine. 3. The method of claim 2, wherein the operating conditions comprise at least one of converter temperature, gearbox temperature or generator temperature. 4. The method of claim 1, wherein selecting n−1 or fewer wind turbines from the wind park for power output curtailment comprises selecting the n−1 or fewer wind turbines dynamically based on the assigned curtailment priority. 5. The method of claim 1, wherein selecting n−1 or fewer wind turbines from the wind park for power output curtailment comprises selecting the n−1 or fewer wind turbines from a static list based on the assigned curtailment priority. 6. The method of claim 5, wherein the wind turbines having the highest assigned priority are first selected to form the static list. 7. The method of claim 1, wherein the wind turbine with the highest curtailment priority is first selected for curtailing power output. 8. A system for selecting wind turbine generators in a wind park for curtailment of output power to provide a wind reserve, said system comprising: a wind park comprised of a plurality n of wind turbines, wherein the n wind turbines each have an individual possible power output and the wind park has a combined possible power output of X wherein X comprises a summation of the individual possible power outputs of the n wind turbines; anda controller, wherein the controller is operably connected to each of the n wind turbines and configured to send control signals to each of the n wind turbines and to receive signals from each of the n wind turbines, said controller having a user interface and said controller further configured to: receive a power setpoint Y for the wind park, wherein Y≦X and X−Y comprises a wind reserve;select n−1 or fewer wind turbines from the wind park for power output curtailment based on a curtailment priority assigned to each of the n based on one or more non-spatial factors; andsend one or more signals to curtail power output of one or more of the selected n−1 or fewer wind turbines until a summation of the curtailed power output of the one or more selected n−1 or fewer wind turbines equals X−Y, such that a total power output of the wind park comprises Y. 9. The system of claim 8, wherein the controller is configured to dynamically select said n−1 or fewer wind turbines for power output curtailment based on the assigned curtailment priority or select said n−1 or fewer wind turbines from a static list for power output curtailment based on the assigned curtailment priority. 10. The system of claim 8, wherein said one or more non-spatial factors include at least one of noise produced by a specific wind turbine, distance from a specific wind turbine to a sound sensitive location, expected lifetime of a specific wind turbine's pitch system, contractual requirements, electrical limitations of the wind park, operational characteristics of a specific wind turbine, need to perform maintenance on a specific wind turbine, pitch movement of a specific wind turbine, cumulative curtailment time of a specific wind turbine or operating conditions of a specific wind turbine. 11. The system of claim 9, wherein the wind turbines having the highest assigned priority are first selected to form the static list. 12. The system of claim 10, wherein the operating conditions comprise at least one of converter temperature, gearbox temperature or generator temperature. 13. The system of claim 8, wherein curtailing power output of one or more of the selected n−1 or fewer wind turbines until the summation of the curtailed power output of the one or more selected n−1 or fewer wind turbines equals X−Y, such that a total power output of the wind park comprises Y comprises curtailing power output of another wind turbine in addition to the one or more of the selected n−1 or fewer wind turbines if the summation of the curtailed power output of the one or more selected n−1 or fewer wind turbines is less than X−Y. 14. The system of claim 8, wherein curtailing power output of one or more of the selected n−1 or fewer wind turbines until the summation of the curtailed power output of the one or more selected n−1 or fewer wind turbines equals X−Y, such that a total power output of the wind park comprises Y comprises curtailing power output of one fewer wind turbine of the one or more selected n−1 or fewer wind turbines if the summation of the curtailed power output of the one or more selected n−1 or fewer wind turbines is greater than X−Y. 15. The system of claim 8, wherein the controller is further configured to assign the curtailment priority to each of the n wind turbines based on the one or more non-spatial factors. 16. The system of claim 8, wherein the wind turbine with the highest curtailment priority is first selected for curtailing power output. 17. A method of selecting wind turbine generators in a wind park for curtailment of output power to provide a wind reserve, said method comprising: providing a wind park comprised of a plurality n of wind turbines, wherein the n wind turbines each have an individual possible power output and the wind park has a combined possible power output of X wherein X comprises a summation of the individual possible power outputs of the n wind turbines;setting a power setpoint Y for the wind park, wherein Y≦X and X−Y comprises a wind reserve;assigning a curtailment priority to each of the n wind turbines based on cumulative curtailment time of each of the n wind turbines, wherein the wind turbine with a lowest cumulative curtailment time gets assigned a highest curtailment priority and the wind turbine with a highest cumulative curtailment time gets assigned a lowest curtailment priority;selecting, on a non-spatial basis, n−1 or fewer wind turbines from the wind park for power output curtailment based on the curtailment priority assigned to each of the n wind turbines; andcurtailing power output of one or more of the selected n−1 or fewer wind turbines until a summation of the curtailed power output of the one or more selected n−1 or fewer wind turbines equals X−Y, such that a total power output of the wind park comprises Y. 18. The method of claim 17, wherein the wind turbine with the highest curtailment priority is first selected for curtailing power output.
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