Study on Vibration Characteristics of Power Capacitor Under Different Excitation Modes

CUI Xin; LI Zhi-yuan; LU Yi-min; CHENG Jin-ying

doi:10.14044/j.1674-1757.pcrpc.2012.05.013

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Study on Vibration Characteristics of Power Capacitor Under Different Excitation Modes

更新时间：2024-09-14

- Study on Vibration Characteristics of Power Capacitor Under Different Excitation Modes
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 33, Issue 5, Pages: 53-58(2012)
- 作者机构：
  
  合肥工业大学噪声振动工程研究所
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2012.05.013
  CLC： TM531.4
- Published：2012，
- 稿件说明：
移动端阅览
[1]崔鑫,李志远,陆益民,程金英.不同激励方式下电力电容器振动特性研究[J].电力电容器与无功补偿,2012,33(05):53-58+83.

CUI XIN, LI ZHI-YUAN, LU YI-MIN, et al. Study on Vibration Characteristics of Power Capacitor Under Different Excitation Modes. [J]. Power capacitor & reactive power compensation, 2012, 33(5): 53-58.
[1]崔鑫,李志远,陆益民,程金英.不同激励方式下电力电容器振动特性研究[J].电力电容器与无功补偿,2012,33(05):53-58+83. DOI： 10.14044/j.1674-1757.pcrpc.2012.05.013.

CUI XIN, LI ZHI-YUAN, LU YI-MIN, et al. Study on Vibration Characteristics of Power Capacitor Under Different Excitation Modes. [J]. Power capacitor & reactive power compensation, 2012, 33(5): 53-58. DOI： 10.14044/j.1674-1757.pcrpc.2012.05.013.

摘要

采用试验模态分析方法研究了电力电容器的振动特性。在实验室搭建了1套电容器试验模态分析测试系统

分别采用3种不同激励方式对电容器进行测试。模态参数表明

正弦扫频和白噪声激励的测试结果比脉冲激励精确。一方面规范试验的激励方式

另一方面获得电容器的各主要模态参数

为电容器的低振动、低噪声设计提供依据。

Abstract

The vibration characteristics of power capacitor are studied by way of experimental modal analysis（EMA）.A set of EMA testing system is set up in the test laboratory to test the capacitor by adopting three different kinds of excitation modes respectively.It is shown by the modal parameters that the testing result excited by sine sweep and white noise is more accurate than that by impulse excitation.The excitation mode of the test is

on the one hand

normalized and

on the other hand

each main modal parameters of capacitor is obtained

which provides a reference for low vibration and noise design of capacitor.

关键词

试验模态分析(EMA)激励方式振动特性模态参数

Keywords

experimental modal analysis（EMA）excitation modesvibration characteristicsmodal parameters

references

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