大家一起学标准之IEC61400-1(8）
点击听全文，今天大家继续一起学IEC61400-1。 符号英文原文中文翻译单位V0limit wind speed in wind speed distribution model风速分布模型中的风速限值[m/s]V50extreme wind speed (averaged over 10 minutes) with a recurrence interval of 50 years50 年重现期 10 分钟平均极端风速[m/s]V100extreme wind speed (averaged over 10 minutes) with a recurrence interval of 100 years100 年重现期 10 分钟平均极端风速[m/s]Voutcut-out wind speed切出风速[m/s]Vrrated wind speed额定风速[m/s]Vrefreference wind speed参考风速[m/s]Vref,Treference wind speed for tropical-like conditions台风工况参考风速[m/s]V(y,z,t)longitudinal wind velocity component to describe transient horizontal wind shear用于描述瞬态水平风切变的纵向风速分量[m/s]V(z,t)longitudinal wind velocity component to describe transient variation for extreme gust and shear conditions用于描述极端阵风、风切变工况瞬态变化的纵向风速分量[m/s]x,y,zco-ordinate system used for the wind field description; along wind (longitudinal), across wind (lateral) and height respectively风场描述坐标系；分别代表顺风向（纵向）、横风向（侧向）、高度方向[m]ZNTlife factor for contact stress for reference test conditions基准试验条件下接触应力寿命系数[-]zhubhub height of the wind turbine风机轮毂高度[m]zrreference height above ground离地参考高度[m]z0roughness length for the logarithmic wind profile对数风廓线地表粗糙度长度[m]alphawind shear power law exponent风切变幂律指数[-]betaparameter for extreme direction change model极端风向变化模型参数[-]deltacoefficient of variation变异系数[-]Gammagamma function伽马函数[-]gamma_fpartial safety factor for loads荷载分项安全系数[-]gamma_Mpartial safety factor for resistances抗力分项安全系数[-]gamma_npartial safety factor for consequences of failure失效后果分项安全系数[-]theta(t)wind direction change transient瞬态风向变化量[deg]theta_cgangle of maximum deviation from the direction of the average wind speed under gust conditions阵风工况下风速相对平均风向的最大偏转角[deg]theta_eNextreme direction change with a return period of N yearsN 年重现期极端风向变化角度[deg]theta_islope of fitted plane for ith 30° sector第 i 个 30° 扇区拟合平面坡度[deg]theta_360slope of the fitted 360° plane360° 全域拟合平面坡度[deg]theta1year,minminimum ambient temperature to be expected in hourly average小时平均统计下 1 年一遇最低环境温度[K]theta_min,operationminimum allowable ambient temperature for wind turbine operation风机运行允许最低环境温度[K]Lambda_1turbulence scale parameter defined as the wavelength where the non-dimensional, longitudinal power spectral density, fS1(f)/sigma_1^2, is equal to 0,05湍流尺度参数，定义为无量纲纵向功率谱密度fS1(f)/sigma_1^2=0.05对应的波长[m]rhoair density空气密度[kg/m³]sigmaestimated wind speed standard deviation估算风速标准差[m/s]sigma_crepresentative ambient turbulence standard deviation代表性环境湍流标准差[m/s]sigma_effeffective estimated wind speed standard deviation有效估算风速标准差[m/s]sigma_wakewind speed standard deviation in the wake尾流区风速标准差[m/s] sigma_Tmaximum centre-wake wind speed standard deviation尾流中心最大风速标准差[m/s]sigma_sigmastandard deviation of estimated wind speed standard deviation sigma估算风速标准差sigma自身的标准差[m/s]sigma}_ETMextreme ambient turbulence standard deviation极端环境湍流标准差[m/s]sigma_1hub-height longitudinal wind velocity standard deviation轮毂高度纵向风速标准差[m/s]sigma_2hub-height lateral wind velocity standard deviation轮毂高度横向风速标准差[m/s]sigma_3hub-height upward wind velocity standard deviation轮毂高度竖向风速标准差[m/s]Phistandardized normal probability function标准正态分布函数[-]E[ ]expected value of parameter inside brackets括号内参数的数学期望[-]Var[ ]variance of parameter inside brackets括号内参数的方差[-]4.2 Abbreviated terms 缩写术语对照表缩写英文全称中文翻译Aabnormal (for partial safety factors)异常工况（用于分项安全系数分类）ACalternating current交流电DCdirect current直流电CCcold climate寒冷气候COVcoefficient of variation变异系数DLCdesign load case设计载荷工况DWMdynamic wake meandering动态尾流摆动ECDextreme coherent gust with direction change带风向变化的极端相干阵风EDCextreme wind direction change极端风向变化EOGextreme operating gust极端运行阵风ETMextreme turbulence model极端湍流模型EWMextreme wind speed model极端风速模型EWSextreme wind shear极端风切变Ffatigue疲劳工况FMEAfailure mode and effect an alysis失效模式与影响分析HVhigh voltage高压IACinternal arc classification内部电弧分级ICicing climate覆冰气候LTClow temperature climate低温气候LVRTlow voltage ride through低电压穿越Nnormal and extreme (for partial safety factors)常规及极端工况（用于分项安全系数分类）NWPnormal wind profile model常规风速廓线模型NTMnormal turbulence model常规湍流模型Sspecial IEC wind turbine classIEC 特殊风机等级Ttransport and erection (for partial safety factors)运输安装工况（用于分项安全系数分类）TSIterrain slope index地形坡度指数TVIterrain variation index地形起伏指数Uultimate极限工况ULSultimate limit state极限承载状态简单总结该部分为IEC 61400-1:2019标准第四章符号体系，补充风速、温度、湍流、分项安全系数、坐标系、地形相关全套物理符号定义；同时完整列出标准全部专业缩写，覆盖气候、载荷工况、湍流 / 风模型、电气、安全分析、地形参数、极限状态等风机设计全领域，是风机载荷计算、仿真建模、规范查阅的统一符号与缩写参照基准。今天就学到这里，明天我们继续学习，每天十分钟大家一起学标准。来源：智慧强学斋
