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 (
WITHDRAWN
IEC 61400-21:2001 ED1
WITHDRAWN
IEC 61400-21:2008 ED2
99.60
Withdrawal effective
May 20, 2019
PUBLISHED
IEC 61400-21-1:2019 ED1