特高频局部放电检测技术.doc

第三章特高频局部放电检测技术目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc390244098"第1节特高频局放检测技术概述PAGEREF_Toc390244098\h2HYPERLINK\l"_Toc390244099"1.1发展历程PAGEREF_Toc390244099\h2HYPERLINK\l"_Toc390244100"1.2技术特点PAGEREF_Toc390244100\h4HYPERLINK\l"_Toc390244101"1.2.1技术优势PAGEREF_Toc390244101\h4HYPERLINK\l"_Toc390244102"1.2.2局限性PAGEREF_Toc390244102\h5HYPERLINK\l"_Toc390244103"1.2.3适用范围PAGEREF_Toc390244103\h6HYPERLINK\l"_Toc390244104"1.2.4技术难点PAGEREF_Toc390244104\h6HYPERLINK\l"_Toc390244105"1.3应用情况PAGEREF_Toc390244105\h8HYPERLINK\l"_Toc390244106"1.3.1国外应用情况PAGEREF_Toc390244106\h8HYPERLINK\l"_Toc390244107"1.3.2国内应用情况PAGEREF_Toc390244107\h8HYPERLINK\l"_Toc390244108"第2节特高频局放检测技术基本原理PAGEREF_Toc390244108\h10HYPERLINK\l"_Toc390244109"2.1特高频局放电磁波信号基本知识PAGEREF_Toc390244109\h10HYPERLINK\l"_Toc390244110"2.1GIS内部电磁波的传播特性PAGEREF_Toc390244110\h10HYPERLINK\l"_Toc390244111"2.3特高频局放检测技术基本原理PAGEREF_Toc390244111\h12HYPERLINK\l"_Toc390244112"2.3特高频局放检测装置组成及原理PAGEREF_Toc390244112\h13HYPERLINK\l"_Toc390244113"第3节特高频局放检测及诊断方法PAGEREF_Toc390244113\h16HYPERLINK\l"_Toc390244114"3.1检测方法PAGEREF_Toc390244114\h16HYPERLINK\l"_Toc390244115"3.1.1操作流程PAGEREF_Toc390244115\h16HYPERLINK\l"_Toc390244116"3.1.2注意事项PAGEREF_Toc390244116\h18HYPERLINK\l"_Toc390244117"3.2诊断方法PAGEREF_Toc390244117\h19HYPERLINK\l"_Toc390244118"3.2.1诊断流程PAGEREF_Toc390244118\h19HYPERLINK\l"_Toc390244119"3.2.2现场常见干扰及排除方法PAGEREF_Toc390244119\h20HYPERLINK\l"_Toc390244120"3.2.3放电缺陷类型识别与诊断PAGEREF_Toc390244120\h22HYPERLINK\l"_Toc390244121"3.2.4放电源定位PAGEREF_Toc390244121\h25HYPERLINK\l"_Toc390244122"3.2.5局部放电严重程度判定PAGEREF_Toc390244122\h26HYPERLINK\l"_Toc390244123"第4节典型案例分析PAGEREF_Toc390244123\h27HYPERLINK\l"_Toc390244124"4.1220kVGIS盆式绝缘子内部气隙缺陷检测PAGEREF_Toc390244124\h27HYPERLINK\l"_Toc390244125"4.2110kV电缆-GIS终端绝缘内部气隙缺陷检测PAGEREF_Toc390244125\h29HYPERLINK\l"_Toc390244126"4.3220kVGIS内部刀闸放电缺陷检测PAGEREF_Toc3