风力发电机组术语[精选].doc

风力发电机组术语 风力机 wind turbine风力发电机组 wind turbine generator system; WTGS水平轴风力机 horizontal axis wind turbine垂直轴风力机 vertical axis wind turbine轮毂（风力机） hub (for wind turbine)机舱 nacelle支撑结构 support structure for wind turbine 关机 shutdown for wind turbine正常关机 normal shutdown for wind turbine紧急关机 emergency shutdown for wind turbine空转 idling 锁定 blocking 停机 parking静止 standstill制动器 brake停机制动 parking brake风轮转速 rotor speed控制系统 control system保护系统 protection system偏航 yawing设计和安全参数 design situation载荷状况 load case外部条件 external conditions设计极限 design limits极限状态 limit state使用极限状态 serviceability limit states最大极限状态 ultimate limit state安全寿命 safe life严重故障 catastrophic failure 潜伏故障 latent fault; dormant failure风速 wind speed风矢量 wind velocity旋转采样风矢量 rotationally sampled wind velocity额定风速 rated wind speed切入风速 cut-in speed切出风速 cut-out speed年平均风速 annual average wind speed平均风速mean wind speed极端风速 extreme wind speed安全风速 survival wind speed 参考风速 reference wind speed风速分布 wind speed distribution 瑞利分布 RayLeigh distribution威布尔分布 Weibull distribution 风切变 wind shear风廓线风切变律 wind profile; wind shear law 风切变指数 wind shear exponent对数风切变律 logarithmic wind shear law风切变幂律 power law for wind shear下风向 down wind上风向 up wind阵风 gust粗糙长度 roughness length湍流强度 turbulence intensity湍流尺度参数 turbulence scale parameter湍流惯性负区 inertial sub-range互联 interconnection额定功率 rated power最大功率 maximum power电网连接点 network connection point电力汇集系统 power collection system电场电器设备 site electrical facilities功率特性power performance静电功率输出 net electric power output功率系数 power performance自由流风速 free stream wind speed扫掠面积 swept area轮毂高度 hub height 测量功率曲线 measurement power curve外推功率曲线 extrapolated power curve年发电量 annual energy production可利用率 availability数据组功率特性测试 data set for power performance measurement精度 accuracy测量误差 uncertainty in measurement分组方法 method of bins测量周期 measurement period测量扇区 measurement sector日变化 diurmal variations浆距角 pitch angle距离常数 distance constant试验场地 test site气流畸变