Noise Predicting Method of Dry-type Air-core Reactor Based on the Frequency-response Function

ZHANG Songyang; ZHU Lingyu; JI Shengchang; WANG Leilei; YANG Hang; WANG Guangzhou; WANG Donghui

doi:10.14044/j.1674-1757.pcrpc.2020.06.011

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Noise Predicting Method of Dry-type Air-core Reactor Based on the Frequency-response Function

更新时间：2024-09-14

- Noise Predicting Method of Dry-type Air-core Reactor Based on the Frequency-response Function
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 6, Pages: 71-77(2020)
- 作者机构：
  
  1. 国网河南省电力公司电力科学研究院
  2. 西安交通大学电力设备电气绝缘国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.06.011
  CLC： TM47
- Published：2020，
- 稿件说明：
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[1]张嵩阳,祝令瑜,汲胜昌,王磊磊,杨航,王广周,王东晖.基于频响函数干式空心电抗器噪声预估方法研究[J].电力电容器与无功补偿,2020,41(06):71-77.

ZHANG SONGYANG, ZHU LINGYU, JI SHENGCHANG, et al. Noise Predicting Method of Dry-type Air-core Reactor Based on the Frequency-response Function. [J]. Power capacitor & reactive power compensation, 2020, 41(6): 71-77.
[1]张嵩阳,祝令瑜,汲胜昌,王磊磊,杨航,王广周,王东晖.基于频响函数干式空心电抗器噪声预估方法研究[J].电力电容器与无功补偿,2020,41(06):71-77. DOI： 10.14044/j.1674-1757.pcrpc.2020.06.011.

ZHANG SONGYANG, ZHU LINGYU, JI SHENGCHANG, et al. Noise Predicting Method of Dry-type Air-core Reactor Based on the Frequency-response Function. [J]. Power capacitor & reactive power compensation, 2020, 41(6): 71-77. DOI： 10.14044/j.1674-1757.pcrpc.2020.06.011.

摘要

滤波电抗器是换流站中噪声的主要来源之一。本文以干式空心电抗器为研究对象

利用多频率复合加载实验研究了其在谐波激励下噪声特性

并提出了基于频响函数的噪声预估方法。研究结果表明:在复合频率电流激励下

干式空心电抗器的主要噪声频率分量为所加电流频率的二倍频以及相互之间的差频与和频;电抗器受电磁力作用振动辐射噪声的物理过程可被视作线性系统

在多频加载下相应频率的噪声分布与单频加载时近似相同。在此基础上提出了基于频响函数干式空心电抗器噪声预估方法

并对其进行了实验验证

结果表明声功率误差较小

平均声功率级误差为0.2 dB。

Abstract

Filter reactor is one of the main sources of noise in converter station.In this paper

the noise characteristics of dry-type air-core reactor under harmonic excitation are studied by multi-frequency composite loading experiment

and a noise estimation method based on frequency response function is proposed.The results show that the main noise frequency components of the dry reactor are two times of the current frequency and the difference frequency and sum frequency of each other.The physical process of the radiated noise of the reactor subjected to electromagnetic force can be regarded as a linear system.On this basis

the noise estimation method of dry-type air-core reactor based on frequency response function is proposed and verified by experiments.The results show that the sound power error is small and the average sound power level error is 0.2 dB.

关键词

滤波设备干式空心电抗器频响函数噪声

Keywords

filtering equipmentdry-type air-core reactorfrequency response functionnoise

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