I.S. EN 61400-11:2013
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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WIND TURBINES - PART 11: ACOUSTIC NOISE MEASUREMENT TECHNIQUES (IEC 61400-11:2012 (EQV))
Hardcopy , PDF
12-12-2019
06-03-2013
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.
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
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