风力发电机组术语

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1、风力发电机组术语风力机windturbine风力发电机组windturbinegeneratorsystem;WTGS水平轴风力机horizontalaxiswindturbine垂直轴风力机verticalaxiswindturbine轮毂（风力机）hub(forwindturbine)机舱nacelle支撑结构supportstructureforwindturbine关机shutdownforwindturbine正常关机normalshutdownforwindturbine紧急关机emergencyshutdownforwindturbine空转id

2、ling锁定blocking停机parking静止standstill制动器brake停机制动parkingbrake风轮转速rotorspeed控制系统controlsystem保护系统protectionsystem偏航yawing设计和安全参数designsituation载荷状况loadcase外部条件externalconditions设计极限designlimits极限状态limitstate使用极限状态serviceabilitylimitstates最大极限状态ultimatelimitstate安全寿命safelife严重故障catastro

3、phicfailure潜伏故障latentfault;dormantfailure风速windspeed风矢量windvelocity旋转采样风矢量rotationallysampledwindvelocity额定风速ratedwindspeed切入风速cut-inspeed切出风速cut-outspeed年平均风速annualaveragewindspeed平均风速meanwindspeed极端风速extremewindspeed安全风速survivalwindspeed参考风速referencewindspeed风速分布windspeeddistribut

4、ion瑞利分布RayLeighdistribution威布尔分布Weibulldistribution风切变windshear风廓线风切变律windprofile;windshearlaw风切变指数windshearexponent对数风切变律logarithmicwindshearlaw风切变幂律powerlawforwindshear下风向downwind上风向upwind阵风gust粗糙长度roughnesslength湍流强度turbulenceintensity湍流尺度参数turbulencescaleparameter湍流惯性负区inertials

5、ub-range互联interconnection额定功率ratedpower最大功率maximumpower电网连接点networkconnectionpoint电力汇集系统powercollectionsystem电场电器设备siteelectricalfacilities功率特性powerperformance静电功率输出netelectricpoweroutput功率系数powerperformance自由流风速freestreamwindspeed扫掠面积sweptarea轮毂高度hubheight测量功率曲线measurementpowercurv

6、e外推功率曲线extrapolatedpowercurve年发电量annualenergyproduction可利用率availability数据组功率特性测试datasetforpowerperformancemeasurement精度accuracy测量误差uncertaintyinmeasurement分组方法methodofbins测量周期measurementperiod测量扇区measurementsector日变化diurmalvariations浆距角pitchangle距离常数distanceconstant试验场地testsite气流畸变f

7、lowdistortion障碍物obstacles复杂地形带complexterrain风障windbreak声压级soundpressurelevel声级weightedsoundpressurelevel;soundlevel视在声功率级apparentsoundpowerlevel指向性directivity音值tonality声的基准面风速acousticreferencewindspeed标准风速standardizedwindspeed基准高度referenceheight基准粗糙长度referenceroughnesslength基准距离refe

8、rencedistance掠射角gra