Investigation of friction pendulum horizontal isolation system for voltage sourced converter post valves

YANG Yuping; LIANG Zhanhao; YANG Xu; YANG Ajuan; YANG Zhenyu

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Investigation of friction pendulum horizontal isolation system for voltage sourced converter post valves

更新时间：2025-10-23

- Investigation of friction pendulum horizontal isolation system for voltage sourced converter post valves
- High Voltage Apparatus (2025)
- 作者机构：
  
  1.广州大学工程抗震研究中心,广东省广州市510000
  2.中国南方电网有限责任公司超高压输电公司电力科研院,广东省广州市510663
  3.昆明电器科学研究所,云南省昆明市650221
- 作者简介：
- 基金信息：
  
  Guangdong Basic and Applied Basic Research Foundation(2023A1515010072)
- DOI：
  CLC：
- Received：27 December 2024，
  
  Revised：2025-09-03，
  
  Accepted：07 September 2025，
- 稿件说明：
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YANG Yuping, LIANG Zhanhao, YANG Xu, et al. Investigation of friction pendulum horizontal isolation system for voltage sourced converter post valves[J/OL]. High voltage apparatus, 2025.
DOI：

YANG Yuping, LIANG Zhanhao, YANG Xu, et al. Investigation of friction pendulum horizontal isolation system for voltage sourced converter post valves[J/OL]. High voltage apparatus, 2025. DOI：

摘要

换流阀是柔性输电工程中的核心设备，其抗震性能是确保输电系统能够在地震作用下有效运行的关键。以某±800kV柔直支撑式换流阀为原型，采用摩擦摆隔震支座进行隔震研究，建立了换流阀—摩擦摆隔震结构等效理论模型进行参数分析，并通过有限元模型进行验证。结果表明，大宽度—小刚度的隔震顶板有利于减小支座的拉力，过大或者过小的摩擦系数都不利于减小支座的拉力和阀塔的加速度响应；增大板的刚度会放大阀塔的加速度响应，但是有利于减小阀塔的位移；考虑阀厅尺寸设计建议采用合理宽度范围的钢材隔震顶板并在支座中心配重增加初始压力以避免支座受拉和结构倾覆。

Abstract

Converter valve is the core equipment in the flexible transmission project

and its seismic performance is the key to ensure that the transmission system can operate effectively under seismic effects. Taking a ±800kV flexible supported converter valve as a prototype and adopting friction pendulum seismic isolation bearing for seismic isolation

an equivalent theoretical model of converter valve-friction pendulum seismic isolation structure was established for parameter analysis and verified by finite element model. The results show that the vibration isolation top plate with large width and small stiffness is beneficial to reduce the tensile force of the support

and the friction coefficients that are too large or too small are not conducive to reducing the tensile force of the support and the acceleration response of the valve tower

increasing the stiffness of the plate amplifies the acceleration response of the valve tower

but is beneficial to reducing the displacement of the valve tower. Considering the size of the valve hall

it is recommended to use the steel vibration isolation top plate of a reasonable width and to increase the initial pressure by weights at the center of the support to avoid support tension and structural overturning.

关键词

Keywords

references

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