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Method for acoustic monitoring of a wind turbine, acoustic monitoring system for a wind turbine and retrofit kit
Method for acoustic monitoring of a wind turbine, acoustic monitoring system for a wind turbine and retrofit kit
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机译：用于风力涡轮机的声学监视的方法，用于风力涡轮机的声学监视系统和改装套件
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摘要
The invention concerns a method for acoustically monitoring a wind turbine (1), in particular for monitoring the existence of loose objects inside the wind turbine (1). Thereby a sound generated in a rotating part (3) of the wind turbine (1) is monitored during operation of the wind turbine (1) which sound is analyzed with respect to specific parameter values (A) of the sound within at least one specific frequency range (F sel ) and if such specific parameter values (A) are detected, a signal (Sig) for possible further actions is generated. The invention also concerns an acoustic monitoring system (33) for a wind turbine (1) and a re-equipment kit (37).
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