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EN 61400-11:2013

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 - Part 11: Acoustic noise measurement techniques
Superseded date

01-10-2020

Published date

03-01-2013

Publisher

European Committee for Standards - Electrical

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
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

IEC 61400-11:2012(E) presents measurement procedures that enable noise emissions of a wind turbine to be characterised. This involves using measurement methods appropriate to noise emission assessment at locations close to the machine, in order to avoid errors due to sound propagation, but far away enough to allow for the finite source size. The procedures described are different in some respects from those that would be adopted for noise assessment in community noise studies. They are intended to facilitate characterisation of wind turbine noise with respect to a range of wind speeds and directions. Standardisation of measurement procedures will also facilitate comparisons between different wind turbines. This new edition constitutes a technical revision, introducing new principles for data reduction procedures.

Committee
CLC/TC 88
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded
SupersededBy

PD CLC/TS 61400-14:2017 Wind turbines Declaration of apparent sound power level and tonality values
CEI EN 61400-22 : 2011 WIND TURBINES - PART 22: CONFORMITY TESTING AND CERTIFICATION
01/205417 DC : DRAFT JUL 2001 PREN 50376 - DECLARATION OF SOUND POWER LEVEL AND TONALITY VALUES OF WIND TURBINES
EN 61400-2:2014 Wind turbines - Part 2: Small wind turbines
CEI EN 50308 : 2005 WIND TURBINES - PROTECTIVE MEASURES - REQUIREMENTS FOR DESIGN, OPERATION AND MAINTENANCE
I.S. EN 61400-2:2014 WIND TURBINES - PART 2: SMALL WIND TURBINES
BS EN 50308:2004 Wind turbines. Protective measures. Requirements for design, operation and maintenance
UNE-EN 61400-2:2015 Wind turbines - Part 2: Small wind turbines
S.R. CLC/TS 61400-14:2017 WIND TURBINES - PART 14: DECLARATION OF APPARENT SOUND POWER LEVEL AND TONALITY VALUES
TR 102 532 : 1.2.1 ENVIRONMENTAL ENGINEERING (EE); THE USE OF ALTERNATIVE ENERGY SOLUTIONS IN TELECOMMUNICATION INSTALLATIONS
I.S. EN 50308:2005 WIND TURBINES - PROTECTIVE MEASURES - REQUIREMENTS FOR DESIGN, OPERATION AND MAINTENANCE
UNE-EN 61400-22:2011 Wind turbines - Part 22: Conformity testing and certification
CLC/TS 61400-14:2017 Wind turbines - Part 14: Declaration of apparent sound power level and tonality values
EN 61400-22:2011 Wind turbines - Part 22: Conformity testing and certification
I.S. EN 61400-22:2011 WIND TURBINES - PART 22: CONFORMITY TESTING AND CERTIFICATION
EN 50308 : 2004 COR 2005 WIND TURBINES - PROTECTIVE MEASURES - REQUIREMENTS FOR DESIGN, OPERATION AND MAINTENANCE

EN 60688:2013 Electrical measuring transducers for converting A.C. and D.C. electrical quantities to analogue or digital signals
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
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 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
EN 61400-12-1:2017 Wind energy generation systems - Part 12-1: Power performance measurement of electricity producing wind turbines
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
EN 60942:2003 Electroacoustics - Sound calibrators
EN 61260:1995/A1:2001 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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