IEC 61400-1 pdf download Wind turbines – Part 1: Design requirements 6.3.2.6 Extreme wind shear (EWS) Replace the number 2,5 in equations (26) and (27) to 2,5 [m/s]. (The number 2,5 in equations (26) and (27) is not dimensionless.) 7 Structural design 7.4.2 Power production plus occurrence of fault or loss of electrical network connection (DLC 2.1 – 2.4) Add,...