NEN EN IEC 61400-21 : 2009
Current
The latest, up-to-date edition.
WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
01-12-2013
Contains: a. definition and specification of the quantities to be determined for characterizing the power quality of a grid connected wind turbine; b. measurement procedures for quantifying the characteristics; c. procedures for assessing compliance with power quality requirements, including estimation of the power quality expected from the wind turbine type when deployed at a specific site, possibly in groups.
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