文档摘要：风电场风速传感器运行的可靠性和稳定性是机组高效发电和安全运行的关键,精准识别风速传感器的失稳和失准等缺陷模式,客观地描述其运行品质对于风电场提寿增效意义重大.该文对风电场风速传感器运行品质评价展开研究,围绕运行、测量、抗扰动等维度,建立风速传感器运行品质标签架构、量化规则和评价模型,提出基于数据驱动的多维标签应用体系,挖掘风电场风速传感器的扰动敏感度、韧性、性能演化趋势、集群特征,为辨识设备的运行态势提供一套精细化数学建模方法.以某风电场运行数据为研究对象,对所提的运行品质评价体系及应用策略进行阐述,验证所提方法在风电场主动运检和精益化管理方面的工程应用价值.
Abstract：Windspeedsensorsofwindturbines,especiallyoffshorewindturbines,arepronetosufferfromdefectsduetolong-termexposuretocomplexandharshenvironments,whichnegativelyaffectsthequalityofwindspeeddata.Nowindsignalorwrongwindsignalfedintotheunitcontrolsystemtendstocausefalsestart-stopandpitchingactions,endangeringthepowergenerationefficiencyandoperationsafetyofwindfarms.Existingmethodsfocusonthefaultdiagnosisofsensors,servingasreal-timeoperationcontrolofunits.Consideringthatthesensormayfailduetonaturalweatherevents(NWEs),thesensorislikelytorecoversmoothoperationafterNWEs.Extractingtheoperationalquality(measurementaccuracy,operationalstability,disturbancesensitivity,andperformanceevolutiontrend)isdifficult.Thus,refinementmodelingforsensoroperatingqualityhelpstoanalyzeitsinstability,misalignment,andotherdefectsforthefull-lifecyclehealthymanagementandproactiveinspectionofwindfarms.Firstly,theoperationalqualitycharacterizationindicatorsandquantificationrulesforwindspeedsensorsareconstructedfromthedimensionsofoperationreliability,measurementaccuracy,anti-disturbanceability,environmentfeatures,andinherentproperty.Then,acomprehensiveevaluationmodelisemployedusingdataenvelopeanalysis(DEA)todescribethegeneralattributesofsensors.Anapplicationframeworkoftheconstructedindicatorsisdevelopedtodeeplyminetherisksandoperatingsituationsforthewindspeedsensor,includingasensitivitymodelfortheweaknessofNWEs,aresiliencemodelfortherecoveryabilityagainstNWEs,aperformanceevolutiontrendmodelfordefectivemodes,andaclusteringmodelforthegeneralfeaturesofthesensorcommunityinthewindfarm.Experimentalresultsonanactualwindfarmdataset,includingtheoperationaldataof9turbinesforoneyear,showthattheproposedmethodcancharacterizethedifferencesinoperatingqualityforwindspeedsensors.Specifically,theproposedmodelcandetectthesensitivesensorspronetodefectsbyNWEsandidentifythedefectivemodes,includingmisalignmentanddestabilization.Windspeedsensorsinthestudiedwindfarms,sensitivetocoldwavesandstrongconvectiveNWEs,arelikelysubjectedtoperformancedegradation.Therateofsensitivesensorstodisturbancesinthestudiedwindfarmreaches33.3％.Mostsensorscanrecovertosmoothoperationwithin1hourafterNWEs.Accordingtooperationquality,thesensorcommunityinthewindfarmisclassifiedintofluctuating,robust,anddegradedsensors.Thefollowingconclusionscanbedrawnfromthecaseanalysis.(1)Theproposedmethodcanevaluatetheoperationbehaviorofwindspeedsensors.Theapplicationsystemcanfurtherexcavatetheattributesofthesensor,suchasperturbationsensitivity,resilience,andclusteringcharacteristics,effectivelyidentifyingitsweaknessesandshortcomings.(2)Typicaldefectsofwindspeedsensorsandtheirtrendfeaturesaresortedout.Theproposedapplicationmodelcancharacterizetheoperationalsituationsofthesensorsanddescribetheoccurrenceprobabilityofdefectivepatterns.(3)Theproposedpost-assessmentmodelandapplicationsystemcandescribesensoroperationbehaviors,whichguidethewhole-life-cyclemanagement,activeinspection,andleanmaintenanceofwindfarms.
作者：李阳 沈小军 杨伟新 张扬帆 Author：LiYang ShenXiaojun YangWeixin ZhangYangfan
作者单位：同济大学电气工程系上海200092国网冀北电力有限公司电力科学研究院北京100045
刊名：电工技术学报 ISTICEIPKU
Journal：TransactionsofChinaElectrotechnicalSociety
年，卷(期)：2024, 39(13)
分类号：TM614
关键词：风电场 风速传感器 运行数据 运行品质 评价体系
Keywords：Windfarms windspeedsensors operationdata operationquality evaluationsystem
机标分类号：TS201.1U464.134.1S663.1
在线出版日期：2024年7月22日
基金项目：基于运行数据的风电场风速传感器运行品质评价方法及应用[
期刊论文] 电工技术学报--2024, 39(13)李阳 沈小军 杨伟新 张扬帆风电场风速传感器运行的可靠性和稳定性是机组高效发电和安全运行的关键,精准识别风速传感器的失稳和失准等缺陷模式,客观地描述其运行品质对于风电场提寿增效意义重大.该文对风电场风速传感器运行品质评价展开研究,围绕...参考文献和引证文献
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关键词：风电场,风速传感器,运行数据,运行品质,评价体系,
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