Investigations on Insulation Characteristics of 12 kV Composite Insulated Switchgear

TAN Dongxian; HE Yiling; LIN Jun; MAO Lei; LIU Yuhua; XIAO Dengming

doi:10.13296/j.1001-1609.hva.2018.04.005

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Investigations on Insulation Characteristics of 12 kV Composite Insulated Switchgear

更新时间：2025-04-26

- Investigations on Insulation Characteristics of 12 kV Composite Insulated Switchgear
- High VoltageApparatus Vol. 54, Issue 4, Pages: 28-33+42(2018)
- 作者机构：
  
  1. 上海交通大学电气系
  2. 上海雷博司电气股份有限公司
  3. 北京邮电大学网络空间安全学院
  4. 国网浙江省电力有限公司宁波供电公司
  5. 江苏电力公司南通供电公司
  6. 国网东台市供电公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.04.005
  CLC： TM643
- Published：2018
- 稿件说明：
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[1]谭东现,贺弋玲,林钧,茅雷,刘玉华,肖登明.12 kV复合绝缘开关设备的绝缘特性研究[J].高压电器,2018,54(04):28-33+42.

TAN Dongxian, HE Yiling, LIN Jun, et al. Investigations on Insulation Characteristics of 12 kV Composite Insulated Switchgear[J]. High voltageapparatus, 2018, 54(4): 28-33+42.
[1]谭东现,贺弋玲,林钧,茅雷,刘玉华,肖登明.12 kV复合绝缘开关设备的绝缘特性研究[J].高压电器,2018,54(04):28-33+42. DOI： 10.13296/j.1001-1609.hva.2018.04.005.

TAN Dongxian, HE Yiling, LIN Jun, et al. Investigations on Insulation Characteristics of 12 kV Composite Insulated Switchgear[J]. High voltageapparatus, 2018, 54(4): 28-33+42. DOI： 10.13296/j.1001-1609.hva.2018.04.005.

摘要

采用复合绝缘代替纯空气绝缘的金属封闭开关柜

实现了空气绝缘开关柜的小型化。但其多种绝缘介质以及绝缘界面共存的复杂结构

对电场分布以及其绝缘能力的评估带来了很大的困难。文中针对空气绝缘开关柜中的固封—手车式断路器触臂处复合绝缘结构进行了研究

通过对不同绝缘结构和绝缘材料在各电气间隙情况下的绝缘能力进行仿真和试验

结果表明:电场仿真中的最大电场强度不能作为评判复合绝缘击穿的标准

复合绝缘结构中的关键部位

如小间隙、界面等处的电场大小对绝缘耐受能力具有决定性的意义。研究结果为复合绝缘结构设计及仿真提供有益的参考。

Abstract

Applying composite insualtion to replace pure air insulation in the design of compact air-insulated metalenclosed switchgears for achieving the goal of compact design.More types of dielectrics and insulation interfaces coex-ist in composite insulation switchgears.This complex insulation configuration results in enormous difficult for calcu-lating the electric field distribution and evaluating insualtion performance.In this paper

a systemic investigation wasimplemented on composite insulation of contact arm

simulation and tests were completed under different insulationconfiguration and materials

results show that the maximum electrical field can not be used as the criteria to evaluat-ing whether breakdown occurs in composite insulation system

the electric field value in key location（samll gap andinterface）of composite insulation configuration possess decisive significance for evaluating the insulation withstandcapability.These results concluded in this papers can provide some significant proposals for the design of compositeinsulation configurations and simulations.

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