• IEC 61400-12-1 REDLINE : 2ED 2017

    Current The latest, up-to-date edition.


    Available format(s): 


    Published date:  13-03-2017

    Publisher:  International Electrotechnical Committee

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

    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
    Annex K (normative) - In-situ comparison of
    Annex L (normative) - The application of remote
            sensing technology
    Annex M (informative) - Normalisation of power
            curve data according to the turbulence
    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
    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

    Abstract - (Show below) - (Hide below)

    Describes 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.

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

    Committee TC 88
    Development Note Also available in CD-ROM format. Stability Date: 2018. (03/2017)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current
    Superseded By

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

    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
    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
    IEC 61869-1:2007 Instrument transformers - Part 1: General requirements
    ISO 2533:1975 Standard Atmosphere
    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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