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DIN EN 61400-21 : 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
18-11-2022
12-01-2013
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 Symbols and units
5 Abbreviations
6 Wind turbine power quality characteristic parameters
6.1 General
6.2 Rated data
6.3 Maximum permitted power
6.4 Maximum measured power
6.5 Reactive power
6.6 Voltage fluctuations
6.7 Harmonics
7 Measurement procedures
7.1 General
7.2 Rated data
7.3 Maximum permitted power
7.4 Maximum measured power
7.5 Reactive power
7.6 Voltage fluctuations
7.7 Harmonics
8 Assessment of power quality
8.1 General
8.2 Steady-state voltage
8.3 Voltage fluctuations
8.4 Harmonics
Annex A (informative) Sample report format
Annex B (informative) Voltage fluctuations and flicker
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
Bibliography
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