• I.S. 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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 POWER GENERATION SYSTEMS - PART 12-1: POWER PERFORMANCE MEASUREMENT OF ELECTRICITY PRODUCING WIND TURBINES

    Available format(s):  Hardcopy, PDF

    Superseded date:  11-01-2020

    Language(s):  English

    Published date:  01-01-2017

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    National Foreword
    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)

    Defines 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)

    Development Note Supersedes I.S. EN 61400-12. (07/2006) For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By
    Supersedes

    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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