System for regulating the active power of a wind farm
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G05D-011/00
H02J-003/00
출원번호
US-0591303
(2005-03-04)
등록번호
US-8406934
(2013-03-26)
우선권정보
EP-04380051 (2004-03-05)
국제출원번호
PCT/ES2005/000111
(2005-03-04)
§371/§102 date
20100111
(20100111)
국제공개번호
WO2005/085634
(2005-09-15)
발명자
/ 주소
Llorente Gonzalez, Jose Ignacio
Martinez De Lizarduy Romo, Maria Jose
출원인 / 주소
Gamesa Innovation & Technology, S.L.
대리인 / 주소
Ladas & Parry LLP
인용정보
피인용 횟수 :
2인용 특허 :
4
초록▼
An active power regulation process and system of a wind farm comprising an array of aerogenerators (AI), a communications network (RS), and a monitoring and control system (ST). The system of the invention comprises: means for connecting to said monitoring and control system (ST),means for receiving
An active power regulation process and system of a wind farm comprising an array of aerogenerators (AI), a communications network (RS), and a monitoring and control system (ST). The system of the invention comprises: means for connecting to said monitoring and control system (ST),means for receiving data relative to the apparent power Pout put out by the farm at all times, and data relative to variables and states of the aerogenerators (Ai) from said monitoring and control system (ST),means for comparing said output apparent power Pout with a preset apparent power set-point Pcons of the farm,means for continuously adjusting said output apparent power Pout, such that this output apparent power Pout approaches at all times the preset power set-point Pcons.
대표청구항▼
1. An active power regulating system of a wind farm, the wind farm comprising an array of aerogenerators (Ai), a communications network (RS), and a monitoring and control system (ST), the system comprising: connecting means to said monitoring and control system (ST),wherein the system further compri
1. An active power regulating system of a wind farm, the wind farm comprising an array of aerogenerators (Ai), a communications network (RS), and a monitoring and control system (ST), the system comprising: connecting means to said monitoring and control system (ST),wherein the system further comprises:means for receiving data relative to the apparent power Pout put out by the farm at all times, and data relative to variables and states of the aerogenerators (Ai), from said monitoring and control system (ST),means for comparing said output apparent power Pout with a preset apparent power set-point Pcons of the farm,means for continuously adjusting said output apparent power Pout, which comprises means for changing the active power set-point of the aerogenerators, such that this output apparent power Pout approaches at all times the preset power set-point Pcons. 2. A system according to claim 1, wherein said means for continuous adjustment of the output apparent power Pout comprise: means for calculating the regulation capability of the farm at every moment according to said data relative to the output apparent power Pout and said data relative to variables and states of the aerogenerators (Ai),means for selecting which aerogenerator or aerogenerators (Aiselec) may be actuated, according to said data relative to variables and states of the aerogenerators (Ai),means for sending to said one or more aerogenerators (Aiselec) selected via the monitoring and control system (ST) and the communications network (RS) of the farm, commands relative to: regulation of the active power set-point, or operating point, and/orshutdown and startup. 3. A system according to claim 1, further comprising a safety control with: means for comparing said output apparent power Pout with a preset safety power set-point Pcons.seg of the farm, so that if said Pout is greater than Pcons.seg, the system sends a shutdown command to one or more aerogenerators (Ai). 4. A system according to claim 1, further comprising means for calculating the active power trend. 5. An active power regulation process of a wind farm, the wind farm comprising a group of aerogenerators (Ai), a communications network (RS), and a monitoring and control system (ST), the process comprising: receiving from said monitoring and control system (ST) data relative to the apparent power Pout put out at every moment by the farm, and data relative to variables and states of the aerogenerators (Ai),comparing said output apparent power Pout with a preset apparent power set point Pcons of the farm,continuously adjusting said output apparent power Pout, by changing the active power set-point of the aerogenerators, so that this output apparent power Pout approaches at every moment the preset power set-point Pcons. 6. A process according to claim 5, in which the continuous adjustment of the output apparent power Pout comprises: calculating the regulation capability of the farm for each moment according to said data relative to the output apparent power Pout and said data relative to variables and states of the aerogenerators (Ai),selecting which aerogenerator or aerogenerators (Aiselec) may be actuated, according to said data relative to variables and states of the aerogenerators (Ai),sending to said one or more selected aerogenerators (Aiselec), via the monitoring and control system (ST) and the communications network (RS) of the farm, commands relative to:regulation of the active power set-point, or operating point, and/orshutdown or startup. 7. A process according to claim 6, wherein when the continuous adjustment of the output active power Pout implies sending commands relative to the shutdown of one or more aerogenerators (Ai), said selection is performed according to a set of pre-established criteria. 8. A process according to claim 5, further comprising a step of safety control of: comparing said output active power Pout with a preset power safety set-point Pcons.seg of the farm, and if said Pout is greater than Pcons.seg, sending a shutdown command to one or more aerogenerators (Ai). 9. A process according to claim 6, in which regulation of the power set-point, or operating point, of said one or more aerogenerators is prioritized with respect to the shutdown or startup of another or other aerogenerators. 10. A process according to claim 6, in which the shutdown or startup of said one or more aerogenerators is prioritized with respect to the regulation of the power set-point, or operating point, of another or other aerogenerators.
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