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Method of automatically calculating power curve limit for power curve monitoring of wind turbine

机译：风机功率曲线监测的功率曲线极限自动计算方法

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摘要

The present invention provides a method of automatically calculating a power curve limit for the power curve monitoring of a wind turbine that may set an optimal power curve limit by automatically calculating a power curve limit for power curve monitoring even if wind speed-power data measured at a wind turbine includes a large amount of abnormal data in addition to normal data. To this end, the present invention includes: classifying, by an input data classifying unit, the input data on wind power generation through a variable speed bin; calculating, by a power calculating unit, a power average value and standard deviation for each bin for the classified input data; estimating, by a power curve estimating unit, a power curve for the calculated power average value for each bin; searching for, by a limit searching unit, an accurate power curve limit while moving the estimated power curve; and setting, by a data extracting unit, the data included in the accurate power curve limit as new input data.

机译：本发明提供一种自动计算用于风力涡轮机的功率曲线监测的功率曲线极限的方法，该方法可以通过自动计算用于功率曲线监测的功率曲线极限来设置最佳功率曲线极限，即使在除了正常数据之外，风力涡轮机还包括大量异常数据。为此，本发明包括：通过输入数据分类单元，对通过变速箱进行的风力发电的输入数据进行分类;以及功率计算单元为分类后的输入数据计算每个仓的功率平均值和标准差;由功率曲线估计单元为每个仓计算出的功率平均值估计功率曲线;在移动估计的功率曲线的同时，由极限搜索单元搜索准确的功率曲线极限;数据提取单元将准确的功率曲线极限中包括的数据设置为新的输入数据。

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公开/公告号US9664176B2

专利类型
公开/公告日2017-05-30

原文格式PDF
申请/专利权人 KOREA ELECTRIC POWER CORPORATION;
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申请/专利号US201314418922
发明设计人 JOON YOUNG PARK;JUN SHIN LEE;JAE KYUNG LEE;KI YONG OH;BYOUNG MOK PARK;KEUM SEOK KANG;MOO SUNG RYU;SEOK TAE KIM;JI YOUNG KIM;
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申请日2013-03-08
分类号F03D9;H02P9/04;F03D7;G06Q50/10;F03D7/02;F03D80/40;F03D17;
国家 US
入库时间 2022-08-21 13:43:37

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