Full Description
BS PD CLC/TS 61400-14:2017 gives guidelines for declaring the apparent sound power level andtonality of a batch of wind turbines. The measurement procedures for apparent sound powerlevel and tonality are defined in IEC 61400-11.
Cross References:ISO 7574
EN 27574
ISO 4871:1996
EN 61400-11 (IEC 61400-11:2012) AS
EN ISO 4871:2009 (ISO 4871:1996) AS
IEC 61400-11:2012
Incorporates the following:Corrigendum, November 2017