PRACTICAL STUDY OF RADIO FREQUENCY SIGNAL USED IN   ON-LINE PD MONITORING OF HV SWITCHBOARD

GUAN Yong  gang; QIAN Jia  li

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PRACTICAL STUDY OF RADIO FREQUENCY SIGNAL USED IN ON-LINE PD MONITORING OF HV SWITCHBOARD

更新时间：2025-05-23

- PRACTICAL STUDY OF RADIO FREQUENCY SIGNAL USED IN ON-LINE PD MONITORING OF HV SWITCHBOARD
- High VoltageApparatus Issue 5, Pages: 1-3(2001)
- 作者机构：
  
  1. 清华大学电机系
  2. 清华大学电机系北京100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM591
- Published：2001
- 稿件说明：
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[1]关永刚,钱家骊.射频法在高压开关柜局放监测中的应用研究[J].高压电器,2001(05):1-3.

GUAN Yong gang, QIAN Jia li. PRACTICAL STUDY OF RADIO FREQUENCY SIGNAL USED IN ON-LINE PD MONITORING OF HV SWITCHBOARD[J]. High voltageapparatus, 2001, (5): 1-3.
[1]关永刚,钱家骊.射频法在高压开关柜局放监测中的应用研究[J].高压电器,2001(05):1-3. DOI：

GUAN Yong gang, QIAN Jia li. PRACTICAL STUDY OF RADIO FREQUENCY SIGNAL USED IN ON-LINE PD MONITORING OF HV SWITCHBOARD[J]. High voltageapparatus, 2001, (5): 1-3. DOI：

摘要

本文对将射频法应用于高压开关柜内部绝缘和接触不良等几种故障的在线监测进行了初步的探索。试验表明

射频信号的强度可以反映故障的发展情况。传感器的位置以及柜体的屏蔽对测量信号的影响很大

据此特性可以对故障进行定位

并辨识外界干扰。

Abstract

In this paper

the radio frequency signal used to on line monitor the partial discharge in high voltage switchboard is studied.It has been proved by experiments that the intensity of the radio frequency signal can indicate the development of various failures

such as insulation and contact failure.The intensity of the signal acquired is strongly affected by the position of the sensor and the shielding.According to these characteristics of the signal

locating the failures and identifying the disturbance from outside of the switchboard can be realized.

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