Study on Vibration Characteristic of Dry-type Air-core Reactor Based on Finite Element Method

DAI Feng; GAO Shuang; SONG Bo; QIN Yanshan; CHENG Jun

doi:10.14044/j.1674-1757.pcrpc.2020.05.018

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Study on Vibration Characteristic of Dry-type Air-core Reactor Based on Finite Element Method

更新时间：2024-09-14

- Study on Vibration Characteristic of Dry-type Air-core Reactor Based on Finite Element Method
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 5, Pages: 104-109(2020)
- 作者机构：
  
  1. 国网江苏省电力有限公司检修分公司
  2. 国网山东省电力公司高青县供电公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.05.018
  CLC： TM47
- Published：2020，
- 稿件说明：
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[1]戴锋,高爽,宋博,秦延山,程骏.基于有限元的干式空心电抗器振动特性研究[J].电力电容器与无功补偿,2020,41(05):104-109.

DAI FENG, GAO SHUANG, SONG BO, et al. Study on Vibration Characteristic of Dry-type Air-core Reactor Based on Finite Element Method. [J]. Power capacitor & reactive power compensation, 2020, 41(5): 104-109.
[1]戴锋,高爽,宋博,秦延山,程骏.基于有限元的干式空心电抗器振动特性研究[J].电力电容器与无功补偿,2020,41(05):104-109. DOI： 10.14044/j.1674-1757.pcrpc.2020.05.018.

DAI FENG, GAO SHUANG, SONG BO, et al. Study on Vibration Characteristic of Dry-type Air-core Reactor Based on Finite Element Method. [J]. Power capacitor & reactive power compensation, 2020, 41(5): 104-109. DOI： 10.14044/j.1674-1757.pcrpc.2020.05.018.

摘要

干式空心电抗器振动强、噪声大一直是突出问题

研究电抗器的振动特性对于其减振降噪具有重要意义。从电抗器振动产生过程出发

建立了电抗器电磁-机械三维有限元仿真模型。基于场-路耦合原理

分析了电抗器磁感应强度分布、电磁力变化特点;基于动力学理论

进行模态分析和谐响应分析

研究了电抗器在不同状态下固有频率和模态振型的变化规律

以及加速度响应和振动特性。结果表明

电抗器振动以100 Hz频率为主

内侧包封振动大于外侧包封

不同约束状态下

电抗器的振动特性有所差异。研究结果为电抗器减振降噪、绝缘保护以及结构稳定性提供了有效依据和支持。

Abstract

The strong vibration and big noise of dry-type air-core reactor are always a prominent problem.It is of great significance to study the vibration characteristic of dry-type air-core reactor for its vibration and noise reduction.Starting from the generation process of reactor

a three-dimensional finite element simulation model of electromagnetic-mechanical reactor is established.The characteristic of magnetic induction intensity distribution and electromagnetic force variation of reactor is analyzed based on the field-circuit coupling principle.On the basis of dynamic theory

modal analysis and harmonic response analysis are carried out to study the variation law of inherent frequency and modal vibration shapes

acceleration response as well as vibration characteristics of reactor under different states.It is shown by the result that the main frequency of reactor vibration is 100 Hz

and the vibration of inner envelope is greater than that of outer envelope.Under different constraints

the vibration characteristic of reactor is different.The study results provide an effective basis and support for the vibration and noise reduction

insulation protection and structural stability of the reactor.

关键词

干式空心电抗器有限元分析振动特性场-路耦合模态分析谐响应分析

Keywords

dry-type air-core reactorfinite element analysisvibration characteristicsfield-circuit couplingmodal analysisharmonic response analysis

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