풍력발전기－제21부：계통연계형 풍력발전기의 전력품질특성에 대한 측정 및 평가
风力涡轮机第21部分:并网风力涡轮机电能质量特性的测量和评定

2013-11-05

풍력발전기－제21부：계통연계형 풍력발전기의 전력품질특성에 대한 측정 및 평가
风力涡轮机第21部分:并网风力涡轮机电能质量特性的测量和评估

2013-11-05

Wind turbines -- Part 21: Measurement and assessment of power quality characteristics of grid connected wind turbines
风力涡轮机第21部分:并网风力涡轮机电能质量特性的测量和评估

2009-09-29

Возобновляемая энергетика. Ветроэнергетика. Установки ветроэнергетические. Часть 21. Измерение и оценка характеристик, связанных с качеством электрической энергии, ветроэнергетических установок, подключенных к электрической сети
可再生能源工程 风力发电工程 风力发电机 电网连接风力发电机电力质量特征测量与评估

IEC 61400-21. Wind turbines. Part 21. Measurement and assessment of power quality characteristics of grid connected wind turbines
IEC 61400-21 风力涡轮机 第21部分 并网风力发电机组电能质量特性的测量与评估

2006-03-21

Wind energy generation systems - Part 21-2: Measurement and assessment of electrical characteristics - Wind power plants
风能发电系统.第21-2部分:电气特性的测量和评估.风力发电厂

2023-03-29

Wind turbine generator systems -- Part 21: Measurement and assesment of power quality characteristics of grid connected wind turbines.
风力发电系统第21部分:并网风力发电机组电能质量特性的测量和评估

2003-03-28

Wind turbines - Part 21: Measurement and assessment of power quality characteristics of grid connected wind turbines (IEC 61400-21:2008); German version EN 61400-21:2008
风力涡轮机.第21部分:并网风力涡轮机电能质量特性的测量和评估（IEC 61400-21-2008）；德文版EN 61400-21:2008

2009-06-01

Draft Document - Wind energy generation systems - Part 21-2: Measurement and assessment of electrical characteristics - Wind power plants (IEC 88/770/CD:2020); Text in German and English
文件草案——风能发电系统——第21-2部分:电气特性的测量和评估——风力发电厂（IEC 88/770/CD:2020）；德语和英语文本

2021-07-01