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ower levels;Ratings;Rotors;Sound level;Sound power;Sound propagation;Specification (approval);Tonal components;Turbogenerators;Verification;Wind power stations;Wind turbines;Wind-electric power stations【摘要】: 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.【中国标准分类号】: J72【国际标准分类号】: 27_180【页数】: 18P.;A4【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |