The Optimization of the Current Transformer with High-altitude and Casting Resin Insulated

LI Guo1; ZHANG Yu1; LI Bo1; DONG Tao1; ZHU Yong-yi2

doi:10.13296/j.1001-1609.hva.2010.04.023

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The Optimization of the Current Transformer with High-altitude and Casting Resin Insulated

更新时间：2025-04-26

- The Optimization of the Current Transformer with High-altitude and Casting Resin Insulated
- High VoltageApparatus Vol. 46, Issue 4, Pages: 57-60+64(2010)
- 作者机构：
  
  1. 昆明理工大学机电工程学院
  2. 云南开关厂
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2010.04.023
  CLC： TM452
- Published：2010
- 稿件说明：
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[1]李果,张宇,李勃,董涛,朱永义.高海拔、环氧树脂浇注电流互感器绝缘性的优化设计[J].高压电器,2010,46(04):57-60+64.

LI Guo1, ZHANG Yu1, LI Bo1, et al. The Optimization of the Current Transformer with High-altitude and Casting Resin Insulated[J]. High voltageapparatus, 2010, 46(4): 57-60+64.
[1]李果,张宇,李勃,董涛,朱永义.高海拔、环氧树脂浇注电流互感器绝缘性的优化设计[J].高压电器,2010,46(04):57-60+64. DOI： 10.13296/j.1001-1609.hva.2010.04.023.

LI Guo1, ZHANG Yu1, LI Bo1, et al. The Optimization of the Current Transformer with High-altitude and Casting Resin Insulated[J]. High voltageapparatus, 2010, 46(4): 57-60+64. DOI： 10.13296/j.1001-1609.hva.2010.04.023.

摘要

针对云南开关厂生产的40.5 kV等级高原型电流互感器在做出厂试验时会发生闪络放电的情况

根据高电压绝缘的相关理论

分析了环氧树脂浇注电流互感器在高海拔情况下的绝缘性能。研究了影响该互感器绝缘性的各种因素

并提出采取增大外绝缘的爬电距离以及同时减少其比电容的优化设计。

Abstract

According to the relevant theory of high-voltage insulation

this paper analys the performance of the insulation of epoxy resin cast current transformer in the case of high-altitude.According to a flashover of the 40.5 kV levels plateau type current transformers in the pilot plant

the paper analyze of the impact of the transformer insulation of various factors

and to propose the optimal design of increasing the external insulation creepage distance and at the same time reducing its capacitance.

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