Study on Site Noise Measurement and Characteristic for of DC Filter Capacitors in Converter Station

CHEN Wei; YAN Fei; YIN Ting

doi:10.14044/j.1674-1757.pcrpc.2019.05.001

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Study on Site Noise Measurement and Characteristic for of DC Filter Capacitors in Converter Station

更新时间：2024-09-14

- Study on Site Noise Measurement and Characteristic for of DC Filter Capacitors in Converter Station
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 40, Issue 5, Pages: 1-7(2019)
- 作者机构：
  
  1. 国家电网有限公司
  2. 中国电力科学研究院有限公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2019.05.001
  CLC： TM53;X839.1
- Published：2019，
- 稿件说明：
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[1]陈伟,严飞,尹婷.换流站直流滤波电容器噪声现场测试及特性研究[J].电力电容器与无功补偿,2019,40(05):1-7.

CHEN WEI, YAN FEI, YIN TING. Study on Site Noise Measurement and Characteristic for of DC Filter Capacitors in Converter Station. [J]. Power capacitor & reactive power compensation, 2019, 40(5): 1-7.
[1]陈伟,严飞,尹婷.换流站直流滤波电容器噪声现场测试及特性研究[J].电力电容器与无功补偿,2019,40(05):1-7. DOI： 10.14044/j.1674-1757.pcrpc.2019.05.001.

CHEN WEI, YAN FEI, YIN TING. Study on Site Noise Measurement and Characteristic for of DC Filter Capacitors in Converter Station. [J]. Power capacitor & reactive power compensation, 2019, 40(5): 1-7. DOI： 10.14044/j.1674-1757.pcrpc.2019.05.001.

摘要

直流滤波电容器是换流站的主要噪声源之一。本文对典型±660 k V换流站和±800 kV换流站现场直流滤波器的噪声水平进行了测量

包括±660 kV换流站HP12/24、HP6/42直流滤波器及±800 kV换流站HP12/24、HP2/39直流滤波器组围栏四周的声压级和频谱特性。本文对直流滤波电容器噪声频谱特性进行了理论分析。理论分析和现场测量结果显示:直流滤波器装置现场围栏处的声压级水平在60～75 dB之间

噪声的中心频率在400～2 400 Hz范围内

电容器组套管侧的噪声水平明显高于侧面。现场测量结果会受到其他噪声源的影响

测量得到的频谱特性比理论分析结果更为复杂。

Abstract

The DC filter capacitor is one of the main noise sources of converter station.In this paper

the noise level of a DC filter for typical±660 kV converter station and±800 kV converter station site is measured

including the sound pressure levels and spectral characteristics of HP12/24 and HP6/42 DC filter in ±660 kV converter station as well as the HP 12/24 and HP2/39 DC filter at ±800 kV converter station.The theoretical analysis for the noise spectrum characteristics of DC filter capacitors is analyzed.It is shown by the theoretical analysis and site measurement results that the sound pressure level at the field fence of the DC filter device is between 60～75 dB

the center frequency of the noise is in the range of 400～2 400 Hz

and the noise level on the casing side of the capacitor bank is significantly higher than the side.The site measurement results are affected by other noise sources

and the spectral characteristic obtained by the measurement is more complicated than the theoretical analysis result.

关键词

直流滤波器直流滤波电容器噪声现场测量

Keywords

DC filterDC filter capacitorsnoisesite measurement

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