Research on Causes and Suppression of Wind Turbine Noise
This paper introduces the composition of noise during the operation of wind turbines,specifically analyzing the causes and reduction methods of yaw and blade noise,highlights that the yaw noise is closely related to the installation,maintenance and material of the yaw system,and the noise can be reduced by maintenance,technical transformation,material replacement and other methods,and discusses the current status and latest results of the research on yaw noise reduction technologies.In terms of blade noise,the basic composition of aerodynamic noise sources of wind turbines and the main methods of blade noise reduction are introduced,with a particular emphasis on the noise reduction technology of the trailing edge of the sawtooth tail,and the current status and application of the noise reduction technology of the trailing edge of the sawtooth tail is discussed,which provides a reference for the noise reduction of wind turbines.
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