Preliminary Research of High-gradient Insulator and Analysis of the Insulating Properties of Kapton

QU Li-hui; LIU Lie; XU Qi-fu; WEN Jian-chun

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Preliminary Research of High-gradient Insulator and Analysis of the Insulating Properties of Kapton

更新时间：2025-04-26

- Preliminary Research of High-gradient Insulator and Analysis of the Insulating Properties of Kapton
- High VoltageApparatus Issue 4, Pages: 253-255+259(2007)
- 作者机构：
  
  1. 国防科技大学光电科学与工程学院
  2. 国防科技大学光电科学与工程学院湖南长沙410073
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM216
- Published：2007
- 稿件说明：
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[1]屈立辉,刘列,徐启福,文建春.高梯度绝缘子初步研究及Kapton绝缘性能分析[J].高压电器,2007(04):253-255+259.

QU Li-hui, LIU Lie, XU Qi-fu, et al. Preliminary Research of High-gradient Insulator and Analysis of the Insulating Properties of Kapton[J]. High voltageapparatus, 2007, (4): 253-255+259.
[1]屈立辉,刘列,徐启福,文建春.高梯度绝缘子初步研究及Kapton绝缘性能分析[J].高压电器,2007(04):253-255+259. DOI：

QU Li-hui, LIU Lie, XU Qi-fu, et al. Preliminary Research of High-gradient Insulator and Analysis of the Insulating Properties of Kapton[J]. High voltageapparatus, 2007, (4): 253-255+259. DOI：

摘要

为发展高梯度绝缘子

介绍了这种新型绝缘子的耐压机理

利用单电子理论对绝缘层厚度进行了初步的定量估计

从材料耐热性能、出气率、介电常数、耐辐射等几个方面对Kapton用于真空高压绝缘的优越性进行了讨论

利用经验公式绘制了Kapton材料的二次电子发射数量随能量的变化关系曲线图

对实际设计微堆层绝缘子具有参考价值。

Abstract

In order to develop the high-gradient insulator

the physical mechanism of excellent performance in surface flashover of the novel insulator had been introduced.The preliminary ration estimation to the insulating layer thickness had been made with the single electron theory.The superiority of Kapton used in the high voltage vacuum insulation had been discussed on several aspects such as the thermal stability

out gas rate

the relative permittivity

the irradiation-resistant ability

etc.The graph of the relations of the number of secondary electron emission changing along with the incident electron energy of Kapton has been drawn up too in this thesis using the empirical formula.These endeavors have reference value for the objective of designing the microstack insulator in reality.

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