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    Wind turbines - Part 14 : Declaration of apparent sound power level and tonality values
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    This part of IEC 61400 gives guidelines for declaring the apparent sound power level and tonality of a batch of wind turbines. The measurement procedures for apparent sound power level and tonality are defined in IEC 61400-11.

    • Year of Declaration: 2005
    • Reference: IEC TS 61400-14
    • Number of Pages: 11
    • Code: GYS IEC 61400-14
    • Version: First edition 2005
    • ICS Number: 27.180