换流阀用饱和电抗器紧固件松动仿真研究

ZHANG Siluyu; LIU Yunpeng; LAI Tingyu; ZHANG Xiaolong; SUN Tianshu

doi:10.13336/j.1003-6520.hve.20250188

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换流阀用饱和电抗器紧固件松动仿真研究

更新时间：2026-02-25

- 换流阀用饱和电抗器紧固件松动仿真研究
- Issue 11, Pages: 5639-5647(2025)
- 作者机构：
  
  1. 河北省输变电设备安全防御重点实验室(华北电力大学),保定,071003
  2. 国网冀北电力有限公司工程管理分公司,北京,100070
  3. 先进输电技术全国重点实验室(中国电力科学研究院有限公司),北京,102209
- 作者简介：
- 基金信息：
- DOI：10.13336/j.1003-6520.hve.20250188
  CLC：
- Published：2025
- 稿件说明：
移动端阅览
ZHANG Siluyu, LIU Yunpeng, LAI Tingyu, et al. 换流阀用饱和电抗器紧固件松动仿真研究[J]. 2025, (11): 5639-5647.
DOI：

ZHANG Siluyu, LIU Yunpeng, LAI Tingyu, et al. 换流阀用饱和电抗器紧固件松动仿真研究[J]. 2025, (11): 5639-5647. DOI： 10.13336/j.1003-6520.hve.20250188.

摘要

饱和电抗器长期振动可能产生的松动会危害换流阀正常工作，掌握饱和电抗器的振动特性是消除其带来安全隐患的前提。为此，该文对一种已投运的饱和电抗器开展振动特性及其仿真计算方法研究。首先，建立了与实物等尺寸的有限元仿真模型，对正常工况下饱和电抗器的磁场-固体力学耦合场进行仿真计算，并基于修改铁芯杨氏模量的方式模拟紧固件不同松动状态并再次进行仿真计算；其次，搭建了振动试验平台，对饱和电抗器在正常工况和多种松动工况下的振动进行试验测量；第三，对比分析了试验数据与仿真结果。对比表明：二者振动加速度峰值的误差在8%以内，该模型可以对不同状态下的饱和电抗器振动特性进行模拟。该文研究方法可为后续换流阀层与阀塔的振动仿真奠定了基础。

Abstract

Long-term vibration of the saturable reactor may lead to loosening

thereby posing a threat to the normal operation of converter valves. Understanding and mastering the vibration characteristics is essential to mitigating potential safety hazards. Therefore

the vibration characteristics of a saturable reactor which has been put into operation and its simulation calculation method are studied in this paper. Firstly

a full-scale model is established

and magnetic-solid mechanic coupling simulation is conducted under normal working conditions. Loose conditions are then calculated by adjusting Young's modulus of the core. Secondly

vibration tests are carried out on a vibration testing platform under both normal and loose conditions. Thirdly

the experimental data and simulation results are analyzed and compared. The results indicate that there is less than 8% error in peak vibration acceleration between the simulation and experiment results

demonstrating that the model effectively simulates vibration characteristics under different states. The research methodology presented in this paper can serve as a foundation for the subsequent vibration simulation of the converter valve layer and valve tower.

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