利索-全球专利检索

  1. 登录
  2. 注册
发明公开
CN108732472A 基于高频法的复合电场耦合油纸绝缘局部放电检测系统 无效 - 撤回

  • 专利标题： 基于高频法的复合电场耦合油纸绝缘局部放电检测系统
  • 专利标题（英）： Compound electric field coupling oil paper insulation partial discharge detection system based on high frequency method
  • 申请号： CN201810387312.0
    申请日： 2018-04-26
  • 公开(公告)号： CN108732472A
    公开(公告)日： 2018-11-02
  • 发明人: 杜伯学 , 宁江涛 , 朱闻博
  • 申请人： 天津大学
  • 申请人地址： 天津市南开区卫津路92号
  • 专利权人： 天津大学
  • 当前专利权人： 天津大学
  • 当前专利权人地址： 天津市南开区卫津路92号
  • 代理机构： 天津市北洋有限责任专利代理事务所
  • 代理商 程小艳
  • 主分类号： G01R31/12
  • IPC分类号： G01R31/12
基于高频法的复合电场耦合油纸绝缘局部放电检测系统
摘要：
本发明公开一种基于高频法的复合电场耦合油纸绝缘局部放电检测系统，主要由复合电场耦合油纸绝缘局部放电装置、高频信号接收装置、信号传送装置和主机显示装置四个部分构成，所述复合电场耦合油纸绝缘局部放电装置包括直流电源、脉冲电源、电压分配装置和模拟局部放电装置；所述直流电源和所述脉冲电源的输出端连接所述电压分配装置的输入端，所述电压分配装置的输出端连接所述模拟局部放电装置的输入端；所述模拟局部放电装置的输出端连接所述高频信号接收装置的输入端；所述信号传送装置的输出端连接所述主机显示模块的输入端。本发明实现同时施加直流电压和脉冲电压，能够准确模拟换流变压器阀侧套管的复杂工况，并且正负直流电源切换快捷。
摘要（英）：

The invention discloses a compound electric field coupling oil paper insulation partial discharge detection system based on a high frequency method. The compound electric field coupling oil paper insulation partial discharge detection system is mainly composed of a compound electric field coupling oil paper insulation partial discharge device, a high-frequency signal receiving device, a signal transmitting device and a host display device, wherein the compound electric field coupling oil paper insulation partial discharge device comprises a DC power supply, a pulse power supply, a voltage distribution device and an analog partial discharge device; output ends of the DC power supply and the pulse power supply are connected with an input end of the voltage distribution device, and an outputend of the voltage distribution device is connected with an input end of the analog partial discharge device; an output end of the analog partial discharge device is connected with an input end of thehigh-frequency signal receiving device; and an output end of the signal transmitting device is connected with an input end of the host display device. The compound electric field coupling oil paper insulation partial discharge detection system realizes the simultaneous application of a DC voltage and a pulse voltage, can simulate the complicated working conditions of a valve side bushing of a converter transformer precisely, and is rapid in switching of positive and negative direct current power supplies.

0/0