40.5 kV空气绝缘开关柜穿墙套管关键技术研究

张卓; 苏迪; 陈志刚; 丁同奎

doi:10.13296/j.1001-1609.hva.2020.11.010

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40.5 kV空气绝缘开关柜穿墙套管关键技术研究

环保气体绝缘配电开关设备专题——关键组部件研究 | 更新时间：2025-04-26

- 40.5 kV空气绝缘开关柜穿墙套管关键技术研究
- Research on Key Techniques of Wall Bushing in 40.5 kV Air-insulated Switchgear
- 高压电器 2020年56卷第11期页码：57-64
- 作者机构：
  
  1. 国网河南省电力公司
  2. 国网郑州供电公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.11.010
  中图分类号： TM216.52;TM591
- 纸质出版日期：2020
- 稿件说明：
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[1]张卓,苏迪,陈志刚,丁同奎.40.5 kV空气绝缘开关柜穿墙套管关键技术研究[J].高压电器,2020,56(11):57-64.

ZHANG Zhuo, SU Di, CHEN Zhigang, et al. Research on Key Techniques of Wall Bushing in 40.5 kV Air-insulated Switchgear[J]. High voltageapparatus, 2020, 56(11): 57-64.
[1]张卓,苏迪,陈志刚,丁同奎.40.5 kV空气绝缘开关柜穿墙套管关键技术研究[J].高压电器,2020,56(11):57-64. DOI： 10.13296/j.1001-1609.hva.2020.11.010.

ZHANG Zhuo, SU Di, CHEN Zhigang, et al. Research on Key Techniques of Wall Bushing in 40.5 kV Air-insulated Switchgear[J]. High voltageapparatus, 2020, 56(11): 57-64. DOI： 10.13296/j.1001-1609.hva.2020.11.010.

摘要

穿墙套管是40.5 kV空气绝缘开关柜的核心零部件之一

其绝缘性能严重影响了整柜的绝缘寿命。影响穿墙套管绝缘性能的因素不仅有外形尺寸、伞裙结构、双屏蔽设计等结构设计

还涉及到制作套管的环氧树脂材料性能

特别是耐电痕性、屏蔽网的材料选择及加工工艺、套管的选型、安装工艺和运行环境等多种因素。目前

针对40.5 kV穿墙套管进行了许多涉及故障分析、结构设计和电场优化等的技术研究

但对诸如结构设计、模具制造、材料造型、制造过程工艺、安装和运行环境等的全面研究相对较少。因此

文中从影响套管运行可靠性的上述多种因素进行综合研究

为确保套管的安全可靠运行提供有益的技术参考。

Abstract

Wall bushing is one of the core components of 40.5 kV air-insulated switchgear

and its insulation performance determines the insulation level of the whole cabinet.The key technologies of the wall bushing are not only the structural design of the external dimensions

umbrella skirt structure

double shielding design

but also the performance of the epoxy resin material that makes the bushing

especially the hydrophobicity and tracking resistance

and the selection of the shielding mesh material and various factors such as processing technology

mold structure

production process

selection

installation process and operating environment.At present

there are many technical researches on the 40.5 kV wall bushing

involving the failure analysis

structural design and electric field optimization of the bushing.Comprehensive researches such as structural design

mold structure

material selection

production process

selection

installation and the operating environment are still rare.Therefore

the paper conducts a comprehensive study from the above-mentioned key technologies of bushing to ensure its safe and reliable operation.

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