Acoustic Field Propagation Characteristics of Indoor Dry Distribution Transformer Noise and Its Control Technology

LI Tienan; HU Sheng; WU Xiaowen; PENG Jiwen; LU Ling

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Acoustic Field Propagation Characteristics of Indoor Dry Distribution Transformer Noise and Its Control Technology

更新时间：2025-11-18

- Acoustic Field Propagation Characteristics of Indoor Dry Distribution Transformer Noise and Its Control Technology
- Vol. 37, Issue 2, Pages: 15-19(2017)
- 作者机构：
  
  国网湖南省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM421
- Published：2017
- 稿件说明：
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[1]李铁楠,胡胜,吴晓文,彭继文,卢铃.室内干式配电变压器噪声声场传播特性及治理[J].湖南电力,2017,37(02):15-19.

LI Tienan, HU Sheng, WU Xiaowen, et al. Acoustic Field Propagation Characteristics of Indoor Dry Distribution Transformer Noise and Its Control Technology[J]. 2017, 37(2): 15-19.
[1]李铁楠,胡胜,吴晓文,彭继文,卢铃.室内干式配电变压器噪声声场传播特性及治理[J].湖南电力,2017,37(02):15-19. DOI：

LI Tienan, HU Sheng, WU Xiaowen, et al. Acoustic Field Propagation Characteristics of Indoor Dry Distribution Transformer Noise and Its Control Technology[J]. 2017, 37(2): 15-19. DOI：

摘要

建立了典型结构室内配电变压器的噪声空气声场传播有限元模型

对噪声在空气中传播和衰减的基本特性进行了定量计算

分析了声源强度、物体表面吸声系数、声源位置三个主要因素对声场分布特性的影响

并根据所得传播和衰减规律

提出了相应的治理方案

取得了良好的控制效果。

Abstract

A finite element model（ FEM） of noise field propagation in a typical two-storey ten-room structure for distribution transformer is established. The basic characteristics of noise propagation and attenuation in the air are quantitatively calculated

by analyzing the influence of three main factors

the sound source intensity

surface acoustic absorption coefficient and the position of sound source

on the distribution of sound field. According to the law of noise propagation and attenuation

corresponding noise control techniques are proposed

which is proved to be effective by measurement.

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