Abstract
Environmental noise has become a common concern of the society, and there are more and more disputes over environmental noise. In this paper, the emission noise of 61 typical 220kV substations in Liaoning Province is tested and analyzed. A total of 610 measuring points are detected, and the level of the noise pollution is clarified. At the same time, the analysis and research on the spectral characteristics and attenuation rules of substations with sensitive points and environmental impacts are emphasized on the basis of actual measurement. The results show that the main noise pollution zone in the substations is in the middle and low frequency areas, and the staff in the substations need to do the key protection. Meanwhile, the vegetation area has a positive effect on the attenuation of the noise.
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