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高压电器  2015 

城市变电站噪声分析及降噪措施探讨

, PP. 139-144

Keywords: 变电站,噪声污染,有源降噪,无源降噪,声屏障

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Abstract:

城市变电站的噪声污染作为环境污染的一种,近年来引起的居民投诉日渐增多。如何解决好城市变电站的噪声污染对周围居民的危害问题,已经成为电力部门和相关研究单位的当务之急。笔者通过对多座220kV和500kV电压等级的城市变电站开展噪声检测的基础上,归纳总结了城市变电站的几种主要噪声源,分析了各类噪声产生的机理,探讨了无源降噪和有源降噪方式,提供了无源降噪应用于变电站的技术实例,并对声屏障的结构提出了3种改进设计,这一工作可为城市变电站降噪的工程技术发展提供参考。

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