Замењен
IEC 61400-21:2008 covers the definition and specification of the quantities to be determined for characterizing the power quality of a grid connected wind turbine; measurement procedures for quantifying the characteristics; and procedures for assessing compliance with power quality requirements, including estimation of the power quality expected from the wind turbine type. The main changes with respect to the previous edition deal with interharmonics and current distortions (
ПОВУЧЕН
IEC 61400-21:2001 ED1
ПОВУЧЕН
IEC 61400-21:2008 ED2
99.60
Повлачење ступило на снагу
20. 5. 2019.
ОБЈАВЉЕН
IEC 61400-21-1:2019 ED1