Measurement and Analysis on Characteristics of Audible-noise in UHVAC GIS Substations

WU Xiaowen; ZHOU Nianguang; PEI Chunming; HU Sheng; PENG Jiwen

doi:10.13296/j.1001-1609.hva.2017.06.003

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Measurement and Analysis on Characteristics of Audible-noise in UHVAC GIS Substations

更新时间：2025-04-26

- Measurement and Analysis on Characteristics of Audible-noise in UHVAC GIS Substations
- High VoltageApparatus Vol. 53, Issue 6, Pages: 13-18(2017)
- 作者机构：
  
  1. 国网湖南省电力公司电力科学研究院
  2. 中国电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.06.003
  CLC： TM63
- Published：2017
- 稿件说明：
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[1]吴晓文,周年光,裴春明,胡胜,彭继文.特高压交流GIS变电站噪声特性测量与分析[J].高压电器,2017,53(06):13-18.

WU Xiaowen, ZHOU Nianguang, PEI Chunming, et al. Measurement and Analysis on Characteristics of Audible-noise in UHVAC GIS Substations[J]. High voltageapparatus, 2017, 53(6): 13-18.
[1]吴晓文,周年光,裴春明,胡胜,彭继文.特高压交流GIS变电站噪声特性测量与分析[J].高压电器,2017,53(06):13-18. DOI： 10.13296/j.1001-1609.hva.2017.06.003.

WU Xiaowen, ZHOU Nianguang, PEI Chunming, et al. Measurement and Analysis on Characteristics of Audible-noise in UHVAC GIS Substations[J]. High voltageapparatus, 2017, 53(6): 13-18. DOI： 10.13296/j.1001-1609.hva.2017.06.003.

摘要

为了掌握特高压交流GIS变电站的噪声特性

以1 000 kV特高压芜湖变电站为研究对象

对站内主变压器、高压并联电抗器以及站界噪声声压级进行了测量

分析了站内主要噪声源的频谱分布、噪声水平以及噪声传播与衰减特性。结果表明

主变压器噪声与高压并联电抗器噪声较为接近且以中低频为主

均在70 dB（A）左右。冷却风扇噪声对主变压器噪声影响较大。主变压器与高压并联电抗器噪声传播过程中均存在较为明显的干涉现象

其中以100、200 Hz噪声干涉最为显著。站界噪声受站内声源位置的影响较大

距离噪声源越近

站界噪声越明显。分析结果对于典型特高压交流变电站噪声预测及评价具有实际意义。

Abstract

To understand the characteristics of audible noise in UHV GIS substations

the sound pressure level（SPL） of the main transformers

HV reactors and boundary of the substation were measured in Wuhu 1 000 kV substation.The spectrum distribution

SPL and noise attenuation characteristics were analyzed.The results show that:（1）The main transformers and the HV reactors have nearly identical SPL around 70 d B（A）;（2）The medium-and low-frequency noises are the main components of the spectrum;（3）The cooling fun has significant effect on the transformer noise;（4） Interference phenomenon occurs in the noise transmission processes of the transformers and reactors

in which the noises at 100 Hz and 200 Hz exhibit the most obvious interference;（5） The SPL at boundary is largely influenced by the layout of the noise sources in the substation

the closer the distance between the boundary and the noise source

the more obvious the noise at the boundary of the substation.The obtained results are of significance to noise prediction and assessment of UHV AC substations.

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