实验报告正文

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1、实验报告实验名称______________________课程名称_______________________院系部:专业班级：学生姓名：学号:同组人:实验台号:指导教师：成绩：实验日期:华北电力大学一、机组模型建立：机组的基本参数设置如下：GENERALCHARACTERISTICSOFROTORANDTURBINERotordiameter80mNumberofblades3TeeterhingeNoHubheight61.5mOffsetofhubtosideoftowercentre0mTowerheight60mTilt

2、angleofrotortohorizontal4degConeangleofrotor0degBladesetangle0degRotoroverhang3.7mRotationalsenseofrotor,viewedfromupwindClockwisePositionofrotorrelativetotowerUpwindTransmissionGearboxAerodynamiccontrolsurfacesPitchFixed/VariablespeedVariableDiameterofspinner2.5mRadial

3、positionofrootstation1.25mExtensionpiecediameter1.9mExtensionpiecedragcoefficient0.8Cutinwindspeed4m/sCutoutwindspeed25m/sBLADEGEOMETRYBladelength38.75mPre-bendattip0mPitchcontrolFullspanBladeMassIntegrals(Noice)BladeMass6546.72kgFirstMassMoment84218.6kgmSecondMassMomen

4、t1.785E+06kgm2Bladeinertiaaboutshaft2.006E+06kgm2HUBMASSANDINERTIAMassofhub14000kgMasscentreofhub0mHubinertia:aboutshaft12000kgm2perpendiculartoshaft0kgm2TotalRotorMass33640.2kgTotalRotorInertia6.029E+06kgm2TOWERDETAILSStationNumberHeight(m)Diameter(m)Mass/unitlength(kg

5、/m)Stiffness(Nm2)1-153.52935.712.46E+112153.192312214.091.43E+113352.884621492.477.81E+104502.730771131.665.65E+105602.6824.9724.22E+10TotalTowerMass143777kgTotalTurbineMass249417kgDragcoefficientfortower0.6EnvironmentOffshoreMeanseadepth10mMarinegrowthdensity0kg/m3Hydr

6、odynamicdragcoefficient1Hydrodynamicmasscoefficient2NACELLEGEOMETRYNacellewidth2.5mNacellelength6mNacelleheight2.5mNacelledragcoefficient1.6NACELLEMASSNacellemass72000kgNacellecentreofmasslateraloffset0mNacellecentreofmassabovetowertop1.3mNacellecentreofmassinfrontoftow

7、eraxis-0.6mYawinertia(abouttoweraxis)215000kgm2Noddinginertia(aboutCoG)0kgm2Rollinginertia(aboutCoG)0kgm2TotalTower-headMass105640kgTotalYawInertia:0°azimuth3.69E+06kgm2TotalYawInertia:90°azimuth3.69E+06kgm2GENERATORCHARACTERISTICSGeneratormodelVariableSpeedPowerelectro

8、nicstimeconstant0sMaximumgeneratortorque14400NmMinimumgeneratortorque0NmPhaseAngle0degMECHANICALLOSSTORQUE(kNm