海上升压站中性点保护装置地震响应与隔震分析

廖望; 姜娟; 陈立

doi:10.13296/j.1001-1609.hva.2026.06.021

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海上升压站中性点保护装置地震响应与隔震分析

研究与分析 | 更新时间：2026-06-10

- 海上升压站中性点保护装置地震响应与隔震分析
- Seismic Responses and Isolation Analysis of the Neutral Point Protection Device in Offshore Substations
- 高压电器 2026年62卷第6期页码：172-178
- 作者机构：
  
  上海勘测设计研究院有限公司，上海 200335
  大连理工大学水利工程博士后流动站，辽宁大连 116024
- 作者简介：
  
  廖望（1993—），男，博士，高级工程师，博士后研究员，主要从事钢结构与海上风电结构抗震相关研究（通信作者）（E-mail：liao_wang@ctg.com.cn）。
  姜娟（1978—），女，硕士，正高级工程师，主要从事新能源工程设计与研究（E-mail：jiang_juan@ctg.com.cn）。
  陈立（1987—），男，博士，正高级工程师，主要从事新能源海上风电相关设计与研究（E-mail：chen_li14@ctg.com.cn）。
- 基金信息：
  
  上海市浦江人才计划资助;Shanghai Pujiang Program(22PJD097);上海勘测设计研究院有限公司科研项目-007，2022QT-048;Research Project of SIDRI-007, 2022QT-048(2022QT83183)
- DOI：10.13296/j.1001-1609.hva.2026.06.021
  中图分类号：
- 收稿：2025-12-12，
  
  修回：2026-02-29，
  
  纸质出版：2026-06-16
- 稿件说明：
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廖望, 姜娟, 陈立. 海上升压站中性点保护装置地震响应与隔震分析[J]. 高压电器, 2026,62(6):172-178.

LIAO Wang, JIANG Juan, CHEN Li. Seismic Responses and Isolation Analysis of the Neutral Point Protection Device in Offshore Substations[J]. High Voltage Apparatus, 2026, 62(6): 172-178.
廖望, 姜娟, 陈立. 海上升压站中性点保护装置地震响应与隔震分析[J]. 高压电器, 2026,62(6):172-178. DOI： 10.13296/j.1001-1609.hva.2026.06.021.

LIAO Wang, JIANG Juan, CHEN Li. Seismic Responses and Isolation Analysis of the Neutral Point Protection Device in Offshore Substations[J]. High Voltage Apparatus, 2026, 62(6): 172-178. DOI： 10.13296/j.1001-1609.hva.2026.06.021.

摘要

风电场海上升压站等海洋平台结构上部组块中设有地震易损性高的支柱类电气设备。为探究此类设备的抗震性能，以国内某海上升压站220 kV主变压器中性点保护装置为对象建立有限元模型，采用时程分析法对其进行地震响应分析。结果显示，上部设备瓷套管根部应力虽符合规范要求，但由于设备安装架钢板刚度较低，导致在地震中隔离开关与安装架钢板的连接处局部应力过大，存在破坏的风险，进而间接造成设备损坏。采用隔震支座对原设备进行底部隔震控制后，可明显减小设备关键位置的应力与加速度响应以及设备安装架的峰值应力，可满足抗震设计要求。

Abstract

Pillar-type electrical equipment with high seismic vulnerability is installed in the upper modules of offshore platform structures such as offshore stations in wind farms.To investigate the seismic performance of such equipment

a finite element model is set up for the neutral point protection device of the 220 kV main transformer in a real offshore substation in China. The seismic responses analysis of the equipment is performed by the time-history analysis method. The results show that although the stress at the root of the porcelain bushing complies with the specification requirement

yet the low rigidity of the steel plate of the equipment mounting frame leads to excessive local stress at the connection between the disconnector and the steel plate in seismic condition

exists the damage risk and causes indirectly the damage of equipment. After applying base isolation control using isolation bearings to the original equipment

the stress and acceleration responses at critical locations of the equipment

as well as the peak stress of the equipment mounting frame

can be significantly reduced

thereby meeting the seismic design requirements.

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references

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