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BS EN 61400-21:2008

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Wind turbines Measurement and assessment of power quality characteristics of grid connected wind turbines
Available format(s)

Hardcopy , PDF

Superseded date

05-07-2021

Language(s)

English

Published date

01-31-2009

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

Includes: - 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; - 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, possible in groups.

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 (

Committee
PEL/88
DevelopmentNote
Supersedes 99/200754 DC. (01/2003) Supersedes 06/30148073 DC. (02/2009)
DocumentType
Standard
Pages
62
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
NF EN 61400-21 : 2009 Identical
DIN EN 61400-21 : 2009 Identical
IEC 61400-21:2008 Identical
EN 61400-21:2008 Identical
EN 60512-1-2:2002 Identical
UNE-EN 61400-21:2009 Identical
NBN EN 61400-21 : 2010 Identical
I.S. EN 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 61000-4-30 : 3.0EN+(REDLINE+VERSION) ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
IEC 60050-415:1999 International Electrotechnical Vocabulary (IEV) - Part 415: Wind turbine generator systems
IEC 61000-4-15 : 2.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-15: TESTING AND MEASUREMENT TECHNIQUES - FLICKERMETER - FUNCTIONAL AND DESIGN SPECIFICATIONS
EN 61000-4-30:2015/AC:2017-01 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS (IEC 61000-4-30:2015/COR1:2016)
IEC 61400-12-1:2017 Wind energy generation systems - Part 12-1: Power performance measurements of electricity producing wind turbines
EN 61000-3-3:2013 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 61000-3-3:2013)
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 61400-1:2005/A1:2010 WIND TURBINES - PART 1: DESIGN REQUIREMENTS
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)
IEC 61000-3-3 : 3.0EN+(REDLINE+VERSION) 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
EN 60044-1:1999/A2:2003 INSTRUMENT TRANSFORMERS - PART 1: CURRENT 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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