Research on Several Issues in Noise Measurement of Power Capacitor

HUANG Cheng; KUANG Dongwei; FENG Chunlin; LI Zhiyuan; LIANG Cong; HUANG Ying; LU Yimin; HUANG Guoxing

doi:10.14044/j.cnki.dldrq.2014.05.015

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Research on Several Issues in Noise Measurement of Power Capacitor

更新时间：2024-09-14

- Research on Several Issues in Noise Measurement of Power Capacitor
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 35, Issue 5, Pages: 75-80(2014)
- 作者机构：
  
  1. 南方电网科学研究院
  2. 桂林电力电容器有限责任公司
  3. 合肥工业大学
- 作者简介：
- 基金信息：
- DOI：10.14044/j.cnki.dldrq.2014.05.015
  CLC： TB53;TM531.4
- Published：2014，
- 稿件说明：
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[1]黄成,旷冬伟,冯春林,李志远,梁琮,黄莹,陆益民,黄国兴.电力电容器单元噪声测量方法的若干问题试验研究[J].电力电容器与无功补偿,2014,35(05):75-80.

HUANG CHENG, KUANG DONGWEI, FENG CHUNLIN, et al. Research on Several Issues in Noise Measurement of Power Capacitor. [J]. Power capacitor & reactive power compensation, 2014, 35(5): 75-80.
[1]黄成,旷冬伟,冯春林,李志远,梁琮,黄莹,陆益民,黄国兴.电力电容器单元噪声测量方法的若干问题试验研究[J].电力电容器与无功补偿,2014,35(05):75-80. DOI： 10.14044/j.cnki.dldrq.2014.05.015.

HUANG CHENG, KUANG DONGWEI, FENG CHUNLIN, et al. Research on Several Issues in Noise Measurement of Power Capacitor. [J]. Power capacitor & reactive power compensation, 2014, 35(5): 75-80. DOI： 10.14044/j.cnki.dldrq.2014.05.015.

摘要

在测试环境内对电力电容器单元的噪声声功率级进行测量时

电力电容器单元的安装状态等因素与实际状态不完全一致

为了保证测量的声功率级与实际运行接近

必须对这些因素进行研究。试验研究表明

在半消声室内电容器噪声测量面为平行六面体表面

均布17个测点

测点距离六面体表面为1 m

电容器固定在钢支架上

电容器离地高度0.8 m

安装姿态与实际安装姿态一致时

可以实现电容器噪声声功率级精密级测量的要求。当在测量面上均布9个测点

电容器单元采用悬吊方式固定时

可以实现电容器噪声声功率级工程级测量的要求。

Abstract

In case of measuring the sound power level of power capacitor unit in laboratory

such factors as installation condition of power capacitor unit is not in complete agreement with actual condition. For assuring the measured sound level power close to actual operation value

these factors must be studied.It is shown by the test that the noise measurement plane of the power capacitor in semi-anechoic laboratory is parallelepiped plane

with 17 uniformly distributed measuring points and with 1 m away from the surface of the parallelepiped plane. The capacitor is fixed on the steel bracket with 0.8 m from the ground;when the installation condition is the identical to that of actual condition

the precision measurement requirement for the sound power level of power capacitor can be achieved. In case of 9measurement points on the measurement surface and of the capacitor fixed by way of suspension

the requirement class measurement requirement for the sound power level of capacitor can be achieved.

关键词

电力电容器声功率级测量测点布置安装高度固定方式安装姿态

Keywords

power capacitorsound power level measurementlayout of measurement pointinstallation heightfixed modeinstallation condition

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