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公开(公告)号：EP4329126A1
公开(公告)日：2024-02-28
申请号：EP22897016.6
申请日：2022-03-25
发明人： SU, Huili , ZHANG, Pengfei , MI, Yuxia , ZHAO, Shipei
摘要： The present disclosure provides a method and an apparatus for controlling power of a wind farm. The method includes: acquiring a historical equivalent fatigue load of a target component of each of a plurality of wind turbines; acquiring an entire fatigue load, an equivalent fatigue load of the target component and a pay per unit power generation of each of the plurality of wind turbines at a current moment; determining an optimal power value for at least one of the wind turbines according to the historical equivalent fatigue load, as well as the entire fatigue load, the equivalent fatigue load, and the pay per unit power generation; and adjusting a power value of the at least one of the wind turbines to the optimal power value for the wind turbine.
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公开(公告)号：EP4443324A1
公开(公告)日：2024-10-09
申请号：EP22912991.1
申请日：2022-03-14
发明人： MI, Yuxia , ZHANG, Pengfei , ZHAO, Shipei , HAN, Wei
IPC分类号： G06F30/20 , G06F18/40 , G06Q50/06 , G06F16/9537 , G06F119/04
CPC分类号： G06F18/24 , G06F16/9537 , G06Q50/06 , G06F2119/0420200101 , G06F30/20
摘要： Provided in the present disclosure are a method and apparatus for evaluating the service life of a wind power generator set. The method comprises: acquiring historical data of a generator set; classifying historical operation data and other data in the historical data into corresponding operation state categories; determining a first proportion of each operation state category according to time information corresponding to the historical operation data; according to the historical data, determining an equivalent fatigue load corresponding to each operation state category; on the basis of the first proportion, superimposing the equivalent fatigue load corresponding to each operation state category, so as to obtain an equivalent fatigue load of the generator set; and determining the consumed service life of the generator set according to the equivalent fatigue load of the generator set.
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公开(公告)号：EP4343587A1
公开(公告)日：2024-03-27
申请号：EP22899761.5
申请日：2022-03-28
发明人： ZHANG, Pengfei , SU, Huili , HAN, Wei , ZHAO, Shipei
摘要： The present disclosure provides a method and device for evaluating the service life of a pitch bearing of a wind turbine. The method comprises: acquiring the probability density of pitch driving torque in M historical time periods; acquiring a cumulative angle value of a pitch angle in each of the M historical time periods; according to the pitch driving torque, the probability density thereof in the M historical time periods and the cumulative angle value in the M historical time periods determining the equivalent load of a pitch bearing; and, according to the equivalent load of the pitch bearing, determining the expended service life of the pitch bearing.
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公开(公告)号：EP3696401A1
公开(公告)日：2020-08-19
申请号：EP18903654.4
申请日：2018-07-13
发明人： YU, Mengting , ZHANG, Pengfei , ZHOU, Guilin , WANG, Minghui
IPC分类号： F03D7/00
摘要： A power control method and apparatus for a wind power generator. The power control method comprises: predicting, according to historical wind resource data, wind resource data within a predetermined future time period (S10); estimating, according to the remaining design lifetime of a wind power generator, the maximum design lifetime allowed to be consumed within the predetermined future time period (S20); determining, according to the predicted wind resource data and the estimated maximum design lifetime, optimal output powers of the wind power generator in respective wind velocity ranges within the predetermined future time period (S30); and controlling operation of the wind power generator according to the determined optimal output powers of the wind power generator in the respective wind velocity ranges within the predetermined future time period (S40).
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