风机功率曲线验证

2008-01-09WINDTESTPowerPerformanceMeasurements功率特性测试TrainingofteststationsinBeijing测试机构培训，北京2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.2WINDTEST1.Introduction介绍2.Site场地3.Metrologiesmastposition气象桅杆的定位4.Sitecalibration场地标定5.Installationonthemetmast气象桅杆上的设备安装6.Installationinthewindturbine风电机组内的设备安装7.StandardandGuidelines标准和准则8.Evaluationofthepowercurve功率曲线的测定9.Uncertainties不确定度10.Othertopics其它议题Agendaofpowerperformance功率特性议程2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.3WINDTESTWhatisthepowerperformancetest?什么是功率特性测试?•Measurementofthefreestreamwindspeed(Winddirection)自由流风速(风向)的测试•Measurementofthenet.Power净功率的测试•Correctionofthewindspeedornetpowerduetotheairdensity风速或净功率对于空气密度的校正•Filteringofthedataduetofailurebytheturbineormeasurementsystemandstrangemetrologiesphenomena对于风电机组或测试系统发生故障时测试数据的剔除和出现未知测试现象时测试数据的剔除2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.4WINDTESTWhyisthepowerperformancetestimportant?为什么功率特性测试很重要？•Toclassifythewindturbine对风电机组进行分类•Forthecalculationoftheenergypredication用于预测发电量•Comparisonbetweentheturbines不同风电机组之间的比较•Optimizationofthetestturbineduetothesiteconditionsandtheenergyproduction根据场地条件和发电量对测试风电机组进行优化•Powerperformancesverification功率特性的验证•Guaranteepurposes担保•InsomecountriesbasisforPPA(e.g.Germany)在一些国家是PPA的基础(如德国)2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.5WINDTESTDefinitionofpowercurve功率曲线的定义00000000000000.00.10.20.30.40.50.6024681012141618202224Windspeed[m/s]Powercurve:Capabilityofawindturbinetoproduceelectricpowerdependingonwindspeed功率曲线:风电机组在不同风速下产生电能的能力Cpcurve:Ratioofthenetelectricpoweroutputofawindturbinetotheavailablepowerinthefreestreamwindovertherotorsweptarea功率系数曲线:风电机组输出的净电功率与通过风轮扫掠面上最大可利用风能功率之比2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.6WINDTESTIEC61400-12-12008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.7WINDTEST1.Introduction介绍2.Site场地3.Metrologiesmastposition气象桅杆的定位4.Sitecalibration场地标定5.Installationonthemetmast气象桅杆上的设备安装6.Installationinthewindturbine风电机组内的设备安装7.StandardandGuidelines标准和准则8.Evaluationofthepowercurve功率曲线的测定9.Uncertainties不确定度10.Othertopics其它相关话题Agendaofpowerperformance功率特性议程2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.8WINDTESTIEC61400-12-1Procedureformeasuringpowercurveofasinglewindturbine(“testofprototype”)用于单台风电机组功率曲线测试的程序(“原型机的测试”)Appliestothetestingofwindturbinesofalltypesandsizesconnectedtotheelectricalpowernetwork(“Comparisonandreproducibleresults”)适用于连接到电网的所有种类和型号的风电机组测试(“比较和可重复性的结果”)ScopeofIEC61400-12-1IEC61400-12-1的应用领域2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.9WINDTESTFlatterrain平坦的地形2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.10WINDTESTComplexTerrain复杂的地形2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.11WINDTESTIllustrationofareatobeassessed评估测试范围的图解distanceofmeteorologymasttowindturbinebetween2Dand4D2.5Disrecommended距离风电机组2D和4D之间的气象桅杆位置推荐使用2.5Dmasttowindturbinecentreline气象桅杆到风电机组的中心线maximummeasurementsector:at2D:279°at2.5D:286°at4D:301°最大测量扇区:2D处为:279°2.5D处为:286°4D处为:301°2.5D2Dmastat4D4D位置的气象桅杆由于风电机组尾流对气象桅杆的影响被排除的扇区(附件A):2D处为:81°2.5D处为:74°4D处为:59°Windturbine风电机组Dtopview俯视图Ldisturbedsectorduetowakeofwindturbineonmeteorologymast(annexA):at2D:81°at2.5D:74°at4D:59°2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.12WINDTESTTestsiterequirements:topographicalvariations测试场地要求:地形变化Distance距离Sector扇区Maximumslope%最大倾角%Maximumterrainvariationfromplane地形偏离平面的最大偏差2L360°3*0,04(H+D)≥2Land4Lmeasurementsector测量扇区5*0,08(H+D)≥2Land4Loutsidemeasurementsector测量扇区之外10**Notapplicable不适用≥4Land8Lmeasurementsector测量扇区10*0,13(H+D)**Themaximumslopeoftheplane,whichprovidesthebestfittothesectoralterrainandpassesthroughthetowerbase.与扇区地形最吻合、并通过塔架基础的平面的最大倾角.**Thelineofsteepestslopethatconnectsthetowerbasetoindividualterrainpointswithinthesector.连接塔架的基础和扇区内的每个地形点的直线的最大倾角.8xLD=40mHisnotrelevantH是不相关的3%200m5%on400m5%on800m2xL4xL10%on800m2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.13WINDTESTObstacles障碍物whwhellllD+⋅⋅=22008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.14WINDTESTObstacles障碍物ObstaclesExcelsheetNoneinfluence无影响whwhellllD+⋅⋅=22008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.15WINDTESTDabanchengWindfarm达坂城风电场WT2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.16WINDTESTObstacles障碍物NorthSiteLayout,firsttestWTGatorigin-400-300-200-1000100200300400-800-600-400-2000200400600Eastcoordinate[m]Northcoordinate[m]MeteorologicalmaTestWTGsNeighbouringWTGObstacles2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.17WINDTESTPhotosofDabanchengWindfarm达坂城风电场照片2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.18WINDTEST2.5timesoftherotordiameter=155mSoutheast=primarywindderiction2xL=310mTestturbineP62Findthemeasurementsectorinconnectionwiththeturbine找出与风电机组有关的测量扇区Coordinaten2008-01-09Course03-2to4:PowerPerformanceMeasurementsNo.19WINDTESTCoordinatesoftheturbinesandobstacles风电机组与障碍物的坐标Coordinates(UTM,uniformdatum)(IECexample,WTG'test'atObjectNameEast(x)North(y)Ln/Dntheta(seedrawing)[m][m][°]HeightH[m]Meteorologicalmastmast1692.519Rotordia