Noise Contribution Analysis of Capacitor Installations Based on Measured Vibration Data

ZHU Lingyu; SHEN Qi; JI Shengchang; LIU Yuan

doi:10.14044/j.1674-1757.pcrpc.2015.04.003

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Noise Contribution Analysis of Capacitor Installations Based on Measured Vibration Data

更新时间：2024-09-14

- Noise Contribution Analysis of Capacitor Installations Based on Measured Vibration Data
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 36, Issue 4, Pages: 13-17(2015)
- 作者机构：
  
  1. 西安交通大学电力设备电气绝缘国家重点实验室
  2. 绍兴电力局
  3. 国网西安供电公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2015.04.003
  CLC： TM53;TM721.1
- Published：2015，
- 稿件说明：
移动端阅览
[1]祝令瑜,沈琪,汲胜昌,刘源.基于振动测量的电容器装置噪声贡献分析[J].电力电容器与无功补偿,2015,36(04):13-17.

ZHU LINGYU, SHEN QI, JI SHENGCHANG, et al. Noise Contribution Analysis of Capacitor Installations Based on Measured Vibration Data. [J]. Power capacitor & reactive power compensation, 2015, 36(4): 13-17.
[1]祝令瑜,沈琪,汲胜昌,刘源.基于振动测量的电容器装置噪声贡献分析[J].电力电容器与无功补偿,2015,36(04):13-17. DOI： 10.14044/j.1674-1757.pcrpc.2015.04.003.

ZHU LINGYU, SHEN QI, JI SHENGCHANG, et al. Noise Contribution Analysis of Capacitor Installations Based on Measured Vibration Data. [J]. Power capacitor & reactive power compensation, 2015, 36(4): 13-17. DOI： 10.14044/j.1674-1757.pcrpc.2015.04.003.

摘要

高压直流输电工程中

滤波电容器装置是主要的噪声源之一。对装置中各部分噪声贡献量的分析对装置的整体降噪有重要意义。基于电容器外壳振动数据计算噪声预测公式推导了电容器装置噪声贡献系数的计算公式

并利用某换流站的实测数据对电容器装置中电容器外壳及钢架的噪声贡献进行了分析。结果表明电容器外壳振动是电容器装置噪声的主要来源

装置整体的降噪应从降低单台噪声入手;另一方面电容器固定钢架的噪声贡献也不可忽视

可以从减少振动传递的角度提出降噪措施。

Abstract

Filter capacitor installations are one of the main noise sources in HVDC transmission projects.The analysis of the noise contribution of each part is meaningful for the noise reduction of capacitor installations. In this paper

the formula to calculate acoustic contribution ratio is deduced based on the noise calculation formula. The deduced formula is applied to the analysis of the noise contribution ratios of capacitor tank and steel frame utilizing the on-site measured vibration data. It is shown by the result that the vibration of capacitor tank is the main source of the capacitor installation noise

so the vibration and radiated noise of single capacitors should be reduced firstly. On the other hand

the noise contribution of steel frame cannot be neglected. Measures to reduce the vibration propagation could also be proposed to reduce the entire noise level.

关键词

高压直流输电电容器装置声贡献量分析

Keywords

HVDC transmissioncapacitor installationacoustic contribution analysis

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