• EN 61400-12-1:2017

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Wind energy generation systems - Part 12-1: Power performance measurement of electricity producing wind turbines

    Available format(s): 

    Superseded date:  07-01-2020

    Language(s): 

    Published date:  02-06-2017

    Publisher:  European Committee for Standards - Electrical

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols and units
    5 Power performance method overview
    6 Preparation for performance test
    7 Test equipment
    8 Measurement procedure
    9 Derived results
    10 Reporting format
    Annex A (normative) - Assessment of influences caused
            by wind turbines and obstacles at the test site
    Annex B (normative) - Assessment of terrain at the test
            site
    Annex C (normative) - Site calibration procedure
    Annex D (normative) - Evaluation of uncertainty in
            measurement
    Annex E (informative) - Theoretical basis for determining
            the uncertainty of measurement using the method of
            bins
    Annex F (normative) - Wind tunnel calibration procedure
            for Anemometers
    Annex G (normative) - Mounting of instruments on the
            meteorological mast
    Annex H (normative) - Power performance testing of small
            wind turbines
    Annex I (normative) - Classification of cup and sonic
            anemometry
    Annex J (normative) - Assessment of cup and sonic
            anemometry
    Annex K (normative) - In-situ comparison of anemometers
    Annex L (normative) - The application of remote sensing
            technology
    Annex M (informative) - Normalisation of power curve data
            according to the turbulence intensity
    Annex N (informative) - Wind tunnel calibration procedure for
            wind direction sensors
    Annex O (informative) - Power performance testing in cold
            climate
    Annex P (informative) - Wind shear normalisation procedure
    Annex Q (informative) - Definition of the rotor equivalent wind
            speed under consideration of wind veer
    Annex R (informative) - Uncertainty considerations for tests on
            multiple turbines
    Annex S (informative) - Mast flow distortion correction for lattice
            masts
    Bibliography
    Annex ZA (normative) - Normative references to
             international publications with their
             corresponding European publications

    Abstract - (Show below) - (Hide below)

    NEW!IEC 61400-12-1:2017 is available as IEC 61400-12-1:2017 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC61400-12-1:2017 specifies a procedure for measuring the power performance characteristics of a single wind turbine and applies to the testing of wind turbines of all types and sizes connected to the electrical power network. In addition, this standard describes a procedure to be used to determine the power performance characteristics of small wind turbines (as defined in IEC61400-2) when connected to either the electric power network or a battery bank. The procedure can be used for performance evaluation of specific wind turbines at specific locations, but equally the methodology can be used to make generic comparisons between different wind turbine models or different wind turbine settings when site-specific conditions and data filtering influences are taken into account. This new edition includes the following significant technical changes with respect to the previous edition: new definition of wind speed, inclusion of wind shear and wind veer, revision of air density correction, revision of site calibration, revision to definition of power curve, interpolation to bin centre method, revision of obstacle model, etc.



    Key words: Wind turbines, Wind energy, renewable energy, performance, efficiency

    General Product Information - (Show below) - (Hide below)

    Committee CLC/TC 88
    Development Note Supersedes EN 61400-12. (06/2006)
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    UNE-EN 61400-11:2013 Wind turbines - Part 11: Acoustic noise measurement techniques
    CEI EN 61400-25-1 : 2007 WIND TURBINES - PART 25-1: COMMUNICATIONS FOR MONITORING AND CONTROL OF WIND POWER PLANTS - OVERALL DESCRIPTION OF PRINCIPLES AND MODELS
    BS EN 61400-21:2008 Wind turbines Measurement and assessment of power quality characteristics of grid connected wind turbines
    CEI EN 61400-22 : 2011 WIND TURBINES - PART 22: CONFORMITY TESTING AND CERTIFICATION
    I.S. EN 61400-21:2008 WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
    EN 61400-11:2013 WIND TURBINES - PART 11: ACOUSTIC NOISE MEASUREMENT TECHNIQUES (IEC 61400-11:2012)
    EN 61400-2:2014 WIND TURBINES - PART 2: SMALL WIND TURBINES (IEC 61400-2:2013)
    BS EN 61400-2:2014 (published 2014-10) Wind turbines Small wind turbines
    I.S. EN 61400-2:2014 WIND TURBINES - PART 2: SMALL WIND TURBINES
    BS EN 61400-22:2011 WIND TURBINES - PART 22: CONFORMITY TESTING AND CERTIFICATION
    BS EN IEC 61400-12-2:2013 Wind turbines Power performance of electricity-producing wind turbines based on nacelle anemometry
    I.S. EN 61400-13:2016 WIND TURBINES - PART 13: MEASUREMENT OF MECHANICAL LOADS
    UNE-EN 61400-2:2015 Wind turbines - Part 2: Small wind turbines
    I.S. EN 61400-12-2:2013 WIND TURBINES - PART 12-2: POWER PERFORMANCE OF ELECTRICITYPRODUCING WIND TURBINES BASED ON NACELLE ANEMOMETRY
    I.S. EN 61400-11:2013 WIND TURBINES - PART 11: ACOUSTIC NOISE MEASUREMENT TECHNIQUES (IEC 61400-11:2012 (EQV))
    BS EN 61400-11 : 2013 WIND TURBINES - PART 11: ACOUSTIC NOISE MEASUREMENT TECHNIQUES
    UNE-EN 61400-22:2011 Wind turbines -- Part 22: Conformity testing and certification
    BS EN 61400-13:2016 Wind turbines Measurement of mechanical loads
    OVE/ONORM EN 61400-25-1 : 2007 WIND TURBINES - PART 25-1: COMMUNICATIONS FOR MONITORING AND CONTROL OF WIND POWER PLANTS - OVERALL DESCRIPTION OF PRINCIPLES AND MODELS
    CEI EN 61400-12-2 : 2013 WIND TURBINES - PART 12-2: POWER PERFORMANCE OF ELECTRICITY PRODUCING WIND TURBINES BASED ON NACELLE ANEMOMETRY
    CEI EN 61400-11 : 2014 WIND TURBINES - PART 11: ACOUSTIC NOISE MEASUREMENT TECHNIQUES
    EN 61400-12-2:2013/AC:2016-10 WIND TURBINES - PART 12-2: POWER PERFORMANCE OF ELECTRICITYPRODUCING WIND TURBINES BASED ON NACELLE ANEMOMETRY (IEC 61400-12-2:2013/COR1:2016)
    EN 61400-22:2011 WIND TURBINES - PART 22: CONFORMITY TESTING AND CERTIFICATION (IEC 61400-22:2010)
    CEI EN 61400-21 : 2011 WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
    I.S. EN 61400-22:2011 WIND TURBINES - PART 22: CONFORMITY TESTING AND CERTIFICATION
    EN 61400-13:2016 WIND TURBINES - PART 13: MEASUREMENT OF MECHANICAL LOADS (IEC 61400-13:2015)
    EN 61400-21:2008 WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 60688:2013 ELECTRICAL MEASURING TRANSDUCERS FOR CONVERTING A.C. AND D.C. ELECTRICAL QUANTITIES TO ANALOGUE OR DIGITAL SIGNALS (IEC 60688:2012)
    ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
    IEC 61869-3:2011 Instrument transformers - Part 3: Additional requirements for inductive voltage transformers
    EN 61400-12-2:2013/AC:2016-10 WIND TURBINES - PART 12-2: POWER PERFORMANCE OF ELECTRICITYPRODUCING WIND TURBINES BASED ON NACELLE ANEMOMETRY (IEC 61400-12-2:2013/COR1:2016)
    IEC 61869-2:2012 Instrument transformers - Part 2: Additional requirements for current transformers
    IEC 60688:2012 Electrical measuring transducers for converting A.C. and D.C. electrical quantities to analogue or digital signals
    EN 61869-3 : 2011 INSTRUMENT TRANSFORMERS - PART 3: ADDITIONAL REQUIREMENTS FOR INDUCTIVE VOLTAGE TRANSFORMERS (IEC 61869-3:2011)
    EN ISO/IEC 17043 : 2010 CONFORMITY ASSESSMENT - GENERAL REQUIREMENTS FOR PROFICIENCY TESTING
    EN 61869-2 : 2012 INSTRUMENT TRANSFORMERS - PART 2: ADDITIONAL REQUIREMENTS FOR CURRENT TRANSFORMERS
    IEC 61869-1:2007 Instrument transformers - Part 1: General requirements
    ISO 2533:1975 Standard Atmosphere
    EN 61869-1 : 2009 INSTRUMENT TRANSFORMERS - PART 1: GENERAL REQUIREMENTS
    ISO 16622:2002 Meteorology Sonic anemometers/thermometers Acceptance test methods for mean wind measurements
    ISO/IEC 17043:2010 Conformity assessment General requirements for proficiency testing
    IEC 61400-2:2013 Wind turbines - Part 2: Small wind turbines
    ISO 3966:2008 Measurement of fluid flow in closed conduits Velocity area method using Pitot static tubes
    IEC 61400-1:2005+AMD1:2010 CSV Wind turbines - Part 1: Design requirements
    ISO/IEC Guide 98-3:2008 Uncertainty of measurement Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
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