CEI EN 61400-21 : 2011
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
Hardcopy , PDF
English - Italian
01-04-2011
04-08-2025
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and units
5 Abbreviations
6 Wind turbine power quality characteristic
parameters
7 Test procedures
8 Assessment of power quality
Annex A (informative) - Sample report format
Annex B (informative) - Voltage fluctuations
and flicker
Annex C (informative) - Measurement of active
power, reactive power and voltage
Bibliography
Annex ZA (normative) - Normative references to
international publications with their
corresponding European publications
This Standard provides the methodology for measuring and evaluating the quality characteristics of the electrical power of wind turbines connected to the grid.
| Committee |
CT 88
|
| DevelopmentNote |
CEI Classificazione CEI 88-6. (12/2002)
|
| DocumentType |
Standard
|
| Pages |
128
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| EN 61400-21:2008 | Identical |
| IEC 61400-21:2008 | Identical |
| IEC 61800-3:2017 | Adjustable speed electrical power drive systems - Part 3: EMC requirements and specific test methods |
| EN 60044-2:1999/A2:2003 | INSTRUMENT TRANSFORMERS - PART 2: INDUCTIVE VOLTAGE TRANSFORMERS |
| IEC 60050-415:1999 | International Electrotechnical Vocabulary (IEV) - Part 415: Wind turbine generator systems |
| IEC 61400-12-1:2017 | Wind energy generation systems - Part 12-1: Power performance measurements of electricity producing wind turbines |
| IEC 60044-2:1997+AMD1:2000+AMD2:2002 CSV | Instrument transformers - Part 2 : Inductive voltage transformers |
| EN 62008:2005 | Performance characteristics and calibration methods for digital data acquisition systems and relevant software |
| EN 61000-4-7:2002/A1:2009 | ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-7: TESTING AND MEASUREMENT TECHNIQUES - GENERAL GUIDE ON HARMONICS AND INTERHARMONICS MEASUREMENTS AND INSTRUMENTATION, FOR POWER SUPPLY SYSTEMS AND EQUIPMENT CONNECTED THERETO (IEC 61000-4-7:2002/A1:2008) |
| IEC 62008:2005 | Performance characteristics and calibration methods for digital data acquisition systems and relevant software |
| EN 61400-12-1:2017 | Wind energy generation systems - Part 12-1: Power performance measurement of electricity producing wind turbines |
| IEC 60044-1:1996+AMD1:2000+AMD2:2002 CSV | Instrument transformers - Part 1: Current transformers |
| IEC 61000-4-15:2010 | Electromagnetic compatibility (EMC) - Part 4-15: Testing and measurement techniques - Flickermeter - Functional and design specifications |
| IEC TR 61000-3-7:2008 | Electromagnetic compatibility (EMC) - Part 3-7: Limits - Assessment of emission limits for the connection of fluctuating installations to MV, HV and EHV power systems |
| IEC 61000-3-3:2013 RLV | Electromagnetic compatibility (EMC) - Part 3-3: Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems, for equipment with rated current ≤ 16 A per phase and not subject to conditional connection |
| IEC 61000-4-7:2002+AMD1:2008 CSV | Electromagnetic compatibility (EMC) - Part 4-7: Testing and measurement techniques - General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto |
| EN 61800-3 : 2004 AMD 1 2012 | ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 3: EMC REQUIREMENTS AND SPECIFIC TEST METHODS (IEC 61800-3:2004/A1:2011) |
| EN 60044-1:1999/A2:2003 | INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS |
| CEI 38-1 : 3ED 1998 | |
| CEI 38-2 : 3ED 1998 | Voltage transformers |
| IEC TR 61000-3-6:2008 | Electromagnetic compatibility (EMC) - Part 3-6: Limits - Assessment of emission limits for the connection of distorting installations to MV, HV and EHV power systems |
| IEC 61400-1:2005+AMD1:2010 CSV | Wind turbines - Part 1: Design requirements |
| EN 61000-4-15:2011 | Electromagnetic compatibility (EMC) - Part 4-15: Testing and measurement techniques - Flickermeter - Functional and design specifications |
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