Research on PD Detecting in GIS

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Research on PD Detecting in GIS

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- Research on PD Detecting in GIS
- High VoltageApparatus Issue 2, Pages: 16-21(1992)
- 作者机构：
  
  1. 西安交通大学
  2. 西安交通大学 710049
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1992
- 稿件说明：
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[1]李怀迁,冯允平,邱毓昌.GIS内部局部放电检测的研究[J].高压电器,1992(02):16-21.

Research on PD Detecting in GIS[J]. High voltageapparatus, 1992, (2): 16-21.
[1]李怀迁,冯允平,邱毓昌.GIS内部局部放电检测的研究[J].高压电器,1992(02):16-21. DOI：

Research on PD Detecting in GIS[J]. High voltageapparatus, 1992, (2): 16-21. DOI：

摘要

根据测量系统等效电路的传递函数的幅频特性图

优化设计了CT线圈测量系统和外被电极测量系统

CT线圈测量系统有一个较好的频率选择特性

有一个可以减少外界干扰的谐振频率

当第一个谐振点频率约为100kHz时

CT线圈测量系统的测量灵敏度为2～10pC

外被电极测量系统的灵敏度为15～30pC

应用这两种测量系统

对充有SF

或SF

/空气混合气体且带有固定微粒或自由微粒的同轴电极系统

获得了一些检测局部放电的结果。

Abstract

Based on amplitude-frequency curve of the equivalent circuit transmission

two measuring systems are designed for optimization. The measuring system of CT coil has the frequency performance to reduce outside interference. In SF6 SF6/N2 and SF6/Air mixtures with fixed or free particles

some measurement results for FD in a coaxial electrode systemare presented with above two high sensitive systems in this paper.

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