International Electrotechnical Commission

Publication detail

Reference	IEC 61400-21 ed2.0 withdrawn corrigendum	> preview
Title	Wind turbines - Part 21: Measurement and assessment of power quality characteristics of grid connected wind turbines
Publication date	2008-08-13
Format, price (Swiss francs) and language	250.- 120 pages 250.- 1614 Kb
Abstract	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 (<9 kHz); response to voltage dips; active power ramp rate limitation and set-point control; reactive power capabilities and set-point control; grid protection and reconnection time after grid faults. This publication is of high relevance for Smart Grid.
Technical Committee	88 - Wind turbines
ICS Codes	27.180 Wind turbine energy systems *Including generation of electrical energy
Replaced by
Stability date	2012
Work in progress	Project Stage code Forecast publication date IEC 61400-21 Ed.3  AMW 2014-12-31

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