IEC TS 61400-14:2005

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Declaration
  5.1 Declaration of apparent sound power level for a wind
      turbine
  5.2 Declaration of tonality
6 Information to be reported
Annex A (informative) Method of calculating apparent sound power
                      level to another hub height
Annex B (informative) Influence of turbine and site characteristics
                      on the acoustical performance

Gives guidelines for declaring the apparent sound power level and tonality of a batch of wind turbines. Is to be used in conjunction with IEC 61400-11 which gives measurement procedures for apparent sound power level and tonality.

This publication is of high relevance for Smart Grid.