IEC 61400-21-1 Ed. 1.0 b:2019
IEC 61400-21-1 Ed. 1.0 b:2019 Wind energy generation systems - Part 21-1: Measurement and assessment of electrical characteristics - Wind turbines
standard by International Electrotechnical Commission, 05/20/2019
standard by International Electrotechnical Commission, 05/20/2019