风力机 wind turbine

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1、风力机windturbine风电场windpowerstation            windfarm风力发电机组windturbinegeneratorsystemWTGS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shutdown  forwindturbine正常关机normalshutdownforwindturbine紧急

2、关机emergencyshutdownforwindturbine空转idling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设计工况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serviceabili

3、tylimitstates极限限制状态ultimatelimitstate最大极限状态ultimatelimitstate安全寿命safelife严重故障  catastrophicfailure潜伏故障latentfaultdormantfailure风特性风速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annualaverage年平均风速annualaveragew

4、indspeed平均风速meanwindspeed极端风速extremewindspeed安全风速survivalwindspeed参考风速referencewindspeed风速分布windspeeddistribution瑞利分布RayLeighdistribution威布尔分布Weibulldistribution风切变windshear风廓线风切变律windprofilewindshearlaw风切变指数windshearexponent对数风切变律logarithmicwindshearlaw风切变幂律powerlawforwindshea

5、r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inertialsub-range风场windsite测量参数measurementparameters测量位置measurementseat最大风速maximumwindspeed风功率密度windpowerdensity风能密度windenergydensity日变化diurnalvariation年变化annualvariation轮毂高

6、度hubheight风能windenergy标准大气状态standardatmosphericstate风切变影响influencebythewindshear阵风影响gustinfluence风速频率frequencyofwindspeed环境environment工作环境operationalenvironment气候climate海洋性气候oceanclimate大陆性气候continentalclimate露天气候open-airclimate室内气候indoorclimate极端extreme日平均值dailymean极端最高extreme

7、maximum年最高annualmaximum年最高日平均温度annualextremedailymeanoftemperature月平均温度meanmonthlytemperature空气湿度airhumidity绝对湿度absolutehumidity相对湿度relativehumidity降水precipitation雨rain冻雨freezingrain霜淞rime雨淞glaze冰雹hail露dew雾fog盐雾saltfog雷暴thunderstorm雪载snowload标准大气压standardairpressure平均海平面meansea

8、level海拔altitude辐射通量radiantflux太阳辐射solarradiation直接太阳辐射