Research on the Key Technology of the Integration of Electronic Instrument Transformer and Isolated Circuit Breaker

LIU Wei; TIAN Zhiguo; YUAN Liang

doi:10.13296/j.1001-1609.hva.2014.12.021

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Research on the Key Technology of the Integration of Electronic Instrument Transformer and Isolated Circuit Breaker

更新时间：2025-04-26

- Research on the Key Technology of the Integration of Electronic Instrument Transformer and Isolated Circuit Breaker
- High VoltageApparatus Vol. 50, Issue 12, Pages: 116-120(2014)
- 作者机构：
  
  许继电气有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2014.12.021
  CLC： TM45;TM561
- Published：2014
- 稿件说明：
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[1]刘伟,田志国,袁亮.电子互感器和隔离式断路器一体化关健技术研究[J].高压电器,2014,50(12):116-120.

LIU Wei, TIAN Zhiguo, YUAN Liang. Research on the Key Technology of the Integration of Electronic Instrument Transformer and Isolated Circuit Breaker[J]. High voltageapparatus, 2014, 50(12): 116-120.
[1]刘伟,田志国,袁亮.电子互感器和隔离式断路器一体化关健技术研究[J].高压电器,2014,50(12):116-120. DOI： 10.13296/j.1001-1609.hva.2014.12.021.

LIU Wei, TIAN Zhiguo, YUAN Liang. Research on the Key Technology of the Integration of Electronic Instrument Transformer and Isolated Circuit Breaker[J]. High voltageapparatus, 2014, 50(12): 116-120. DOI： 10.13296/j.1001-1609.hva.2014.12.021.

摘要

通过分析隔离式断路器与电子互感器一体化现有的两种方案所存在的技术问题

并结合现有两种方案的技术优点

提出了一种新型的组合方案

为隔离式断路器与电子互感器一体化设计提供了新的思路

以高度集成化结构方案进行仿真

为工程设计提供了技术参考。结合现有110 k V电子互感器产品与隔离式断路器组合为例分析计算

为该新型组合方案的可行性提供了技术支持。主要研究了新型组合方案中高度集成化原则下电子互感器与隔离式断路器相互之间绝缘的影响。利用ANSYS有限元分析法

分别对隔离断路器合闸状态与分闸状态下电子互感器与隔离断路器各自独立的内外电场值及电场线分布趋势进行了仿真分析

从而得出在无源电子互感器与隔离断路器高度组合的条件下

相互的电场影响极小

不影响各自的正常运行

易于实现一体化。

Abstract

Through analyzing the technology problems existed in the present two existing integration scheme of isolated circuit breaker and electronic instrument transformer

and combination with the technical advantages in these two scheme

this paper puts forward a new kind of combination plan.The analysis and computation are made on a present 110 k V combination of isolated circuit breaker and electronic instrument transformer.The insulation influence between the isolated circuit breaker and the electronic instrument transformer is studied mainly in the new combination under the rule of highly integration.Using the ANSYS finite element analysis software

the internal and external electric field distributions of the circuit breaker and the instrument transformer are simulated to the cases of the breaker with opening state and closing state.Under the highly integration between the isolated circuit breaker and the electronic instrument transformer

the mutual influence of the electric field to the isolated circuit breaker and the electronic instrument transformer is very low

and it is easy to realize the integration.

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