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IEC/TS 61400-14 Ed. 1.0 en:2005
Wind turbines - Part 14: Declaration of apparent sound power level and tonality values
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.
International Electrotechnical Commission [iec]