Analysis of Noise Characteristics and DC Bias of Major Equipment in Urban Substation

KOU Xiaoshi; QIAN Shilin; CAI Yongping; LOU Jianyong

doi:10.13296/j.1001-1609.hva.2018.08.021

您当前的位置：

首页 >

文章列表页 >

Analysis of Noise Characteristics and DC Bias of Major Equipment in Urban Substation

更新时间：2025-04-26

- Analysis of Noise Characteristics and DC Bias of Major Equipment in Urban Substation
- High VoltageApparatus Vol. 54, Issue 8, Pages: 133-138+146(2018)
- 作者机构：
  
  1. 国网河南省电力公司电力科学研究院
  2. 中国电力技术装备有限公司
  3. 西安交通大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.08.021
  CLC： TM63
- Published：2018
- 稿件说明：
移动端阅览
[1]寇晓适,钱诗林,蔡永平,娄建勇.城市变电站主要设备噪声特性与直流偏磁分析[J].高压电器,2018,54(08):133-138+146.

KOU Xiaoshi, QIAN Shilin, CAI Yongping, et al. Analysis of Noise Characteristics and DC Bias of Major Equipment in Urban Substation[J]. High voltageapparatus, 2018, 54(8): 133-138+146.
[1]寇晓适,钱诗林,蔡永平,娄建勇.城市变电站主要设备噪声特性与直流偏磁分析[J].高压电器,2018,54(08):133-138+146. DOI： 10.13296/j.1001-1609.hva.2018.08.021.

KOU Xiaoshi, QIAN Shilin, CAI Yongping, et al. Analysis of Noise Characteristics and DC Bias of Major Equipment in Urban Substation[J]. High voltageapparatus, 2018, 54(8): 133-138+146. DOI： 10.13296/j.1001-1609.hva.2018.08.021.

摘要

为掌握在运城市变电站主要设备噪声特性

利用声学照相机对110

00 kV不同布置方式变电站主要设备的声源位置、噪声水平以及频谱特性进行了检测

针对噪声频谱测量结果进行了分析。结果表明:设备声源主要为主变本身、散热风扇以及油箱壁

噪声能量主要集中在100

000 Hz频率范围内

不同容量的变压器基频所占比例不同。在测量500 kV变电站主要设备噪声时发现因直流偏磁现象导致频谱上出现大量高次谐波

利用小波分析以能量的角度探讨了直流偏磁影响程度的检测手段

为变电站噪声控制与直流偏磁抑制提供了参考依据。

Abstract

In order to master the noise characteristics of main equipment in urban substation

the sound source position

noise level and spectrum characteristics of main equipment in 110 kV

00 kV substation are tested by acoustic camera. The results of noise spectrum measurement are further analyzed. The results show that the noise source of the equipment is the main transformer itself

the cooling fan and the tank surface. The noise energy is mainly concentrated in the frequency range of 100

000 Hz and the proportion of the fundamental frequency of the transformer with different capacity is different. In addition

in the measurement of the noise of the main equipment of 500 kV substation

it is found that a large num

ber of high harmonics appear in the spectrum due to the DC bias phenomenon. In this paper

the detection method of the degree of DC bias is discussed by using wavelet analysis in terms of energy

which provides a reference for substation noise control and DC bias suppression.

关键词

Keywords

references

Views

182

下载量

CSCD

Alert me when the article has been cited

提交

Tools

Publicity Resources

Test and Analysis on Influence of Stray Current of Urban Rail Transit on DC Bias of 500 kV Transformer

Research on DC Bias Control of Substation Based on Complex Network Theory

New Approach to Transformer Fault Diagnosis Based on ANN

Study on the Influence of HVDC System Grounding Electrode Current on Power Transformer Operation

Study on Time Delay Estimation Algorithm in Cable Partial Discharge Location Based on Wavelet Transform

Related Author

WU Tianyi

SU Lei

HUANG Hua

LI Juncong

CHEN Lu

LI Xiaohua

DANG Cunlu

MA Xiongwen

Related Institution

School of Electrical Engineering, Shanghai University of Electric Power

State Grid Shanghai Electric Power Company

Key Laboratory of Gansu Province Advanced Control for Industrial Processes

College of Electrical and Information Engineering, Lanzhou University of Technology

National Experimental Teaching Demonstration Center of Electrical and Control Engineering of Lanzhou University of Technology

⁰