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  • CSA IEC 61400-11 : 2013(R 2018)

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    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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    WIND TURBINES - PART 11: ACOUSTIC NOISE MEASUREMENT TECHNIQUES

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  31-07-2021

    Language(s):  English

    Published date:  01-01-2013

    Publisher:  Canadian Standards Association

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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 Outline of method
    6 Instrumentation
    7 Acoustic measurements and measurement procedures
    8 Non-acoustic measurements
    9 Data reduction procedures
    10 Information to be reported
    Annex A (informative) - Other possible characteristics of
            wind turbine noise emission and their quantification
    Annex B (informative) - Assessment of turbulence intensity
    Annex C (informative) - Assessment of measurement uncertainty
    Annex D (informative) - Apparent roughness length
    Annex E (informative) - Characterization of a secondary wind
            screen
    Annex F (normative) - Small wind turbines
    Annex G (informative) - Air absorption
    Bibliography

    Abstract - (Show below) - (Hide below)

    Gives measurement procedures that enable noise emissions of a wind turbine to be characterised.

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    Development Note Supersedes CSA C61400-11. (10/2013)
    Document Type Revision
    Publisher Canadian Standards Association
    Status Withdrawn
    Superseded By
    Supersedes

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

    ISO 7196:1995 Acoustics — Frequency-weighting characteristic for infrasound measurements
    IEC 61400-12-1:2017 Wind energy generation systems - Part 12-1: Power performance measurements of electricity producing wind turbines
    IEC 60942:2003 Electroacoustics - Sound calibrators
    IEC 60688:2012 Electrical measuring transducers for converting A.C. and D.C. electrical quantities to analogue or digital signals
    ISO 9613-1:1993 Acoustics Attenuation of sound during propagation outdoors Part 1: Calculation of the absorption of sound by the atmosphere
    IEC TS 61400-14:2005 Wind turbines - Part 14: Declaration of apparent sound power level and tonality values
    IEC 61260:1995 Electroacoustics - Octave-band and fractional-octave-band filters
    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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