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IEC 61400-11:2012

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

IEC 61400-11:2012/AMD1:2018

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

06-10-2019

Language(s)

Spanish, Castilian, English - French

Published date

11-07-2012

Publisher

International Electrotechnical Committee

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

IEC 61400-11:2012 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
TC 88
DevelopmentNote
Stability Date: 2017. (09/2017)
DocumentType
Standard
Pages
75
PublisherName
International Electrotechnical Committee
Status
Superseded
SupersededBy
Supersedes

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
ANSI/ASA S12.9 PART 7 : 2016 QUANTITIES AND PROCEDURES FOR DESCRIPTION AND MEASUREMENT OF ENVIRONMENTAL SOUND - PART 7: MEASUREMENT OF LOW-FREQUENCY NOISE AND INFRASOUND OUTDOORS AND IN THE PRESENCE OF WIND AND INDOORS IN OCCUPIED SPACES
EN 61400-2:2014 Wind turbines - Part 2: Small wind turbines
DIN ISO 5129:2014-11 Acoustics - Measurement of sound pressure levels in the interior of aircraft during flight (ISO 5129:2001 + Amd.1:2013)
UFC 3-540-08 : 2017 UNIFIED FACILITIES CRITERIA - UTILITY-SCALE RENEWABLE ENERGY SYSTEMS
12/30248232 DC : DRAFT AUG 2012 BS EN 61400-2 - WIND TURBINES - PART 2: SMALL WIND TURBINES
11/30148668 DC : 0 IEC 61400-12-2 - WIND TURBINES - PART 12-2: POWER PERFORMANCE OF ELECTRICITY PRODUCING WIND TURBINES BASED ON NACELLE ANEMOMETRY
CEI EN 50308 : 2005 WIND TURBINES - PROTECTIVE MEASURES - REQUIREMENTS FOR DESIGN, OPERATION AND MAINTENANCE
ISO 5129:2001 Acoustics — Measurement of sound pressure levels in the interior of aircraft during flight
IEC 61400-2:2013 Wind turbines - Part 2: Small wind turbines
BS EN 50308:2004 Wind turbines. Protective measures. Requirements for design, operation and maintenance
PD IEC WT 01:2001 IEC system for conformity testing and certification of wind turbines. Rules and procedures
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
I.S. 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
UNE-EN 61400-22:2011 Wind turbines - Part 22: Conformity testing and certification
DD IEC TS 61400-14 : 2005 WIND TURBINES - PART 14: DECLARATION OF APPARENT SOUND POWER LEVEL AND TONALITY VALUES
02/206912 DC : DRAFT MAY 2002 IEC 61400-14 TS. ED.1 - WIND TURBINE GENERATOR SYSTEMS - DECLARATION OF SOUND POWER LEVEL AND TONALITY VALUES
BS ISO 5129 : 2001 ACOUSTICS - MEASUREMENT OF SOUND PRESSURE LEVELS IN THE INTERIOR OF AIRCRAFT DURING FLIGHT
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
NF EN 50308 : 2004 WIND TURBINES - PROTECTIVE MEASURES - REQUIREMENTS FOR DESIGN, OPERATION AND MAINTENANCE
DIN ISO 5129 E : 2014 ACOUSTICS - MEASUREMENT OF SOUND PRESSURE LEVELS IN THE INTERIOR OF AIRCRAFT DURING FLIGHT (ISO 5129:2001 + AMD.1:2013)
NF EN 61400-22:2011 WIND TURBINES - PART 22: CONFORMITY TESTING AND CERTIFICATION
IEEE 2400-2016 IEEE Standard for Wind Turbine Aero Acoustic Noise Measurement Techniques
IEC TS 61400-14:2005 Wind turbines - Part 14: Declaration of apparent sound power level and tonality values
I.S. EN 61400-22:2011 WIND TURBINES - PART 22: CONFORMITY TESTING AND CERTIFICATION
IEC WT 01:2001 IEC System for Conformity Testing and Certification of Wind Turbines - Rules and procedures
ISO/TS 7849-2:2009 Acoustics — Determination of airborne sound power levels emitted by machinery using vibration measurement — Part 2: Engineering method including determination of the adequate radiation factor
IEC 61400-22:2010 Wind turbines - Part 22: Conformity testing and certification
EN 50308 : 2004 COR 2005 WIND TURBINES - PROTECTIVE MEASURES - REQUIREMENTS FOR DESIGN, OPERATION AND MAINTENANCE

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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Hardcopy - English - French - Spanish
PDF - English - French - Spanish
PDF 3 Users - English - French - Spanish
PDF 5 Users - English - French - Spanish
PDF 9 Users - English - French - Spanish
Hardcopy - Spanish
PDF - Spanish
PDF 3 Users - Spanish
PDF 5 Users - Spanish
PDF 9 Users - Spanish
Hardcopy - English - French
PDF - English - French
PDF 3 Users - English - French
PDF 5 Users - English - French
PDF 9 Users - English - French
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