目录第1章雷电的特性及危害......................................................221.1雷电的形成............................................................221.2雷电的种类............................................................221.2.1直击雷.............................................................221.2.2感应雷击...........................................................231.2.3球雷...............................................................241.2.4雷电侵入波.........................................................241.3雷电的威力及危害......................................................241.4雷电入侵途径.........................................................241.4.1对各种雷击的解决方案..............................................251.4.2接地..............................................................261.5雷击电子设备的途径及其原理............................................271.6雷电日和雷电小时.......................................................27第2章变电站的防雷设备......................................................292.1避雷针................................................................292.2避雷器................................................................292.2.1避雷器的种类......................................................302.2.2各避雷器的特点....................................................302.3变电所建筑物的防雷....................................................32第3章变电站的防雷区及系统设计原则..........................................333.1第一级防护区的处理措施................................................333.2第二级防护区的处理措施................................................343.2.1进出所管线的处理..................................................343.2.2二次电缆及端子箱..................................................353.2.3所用电系统的保护..................................................353.3第三级防护区的主要任务.................................................353.3.1多重屏蔽...........................................................363.3.2地电位均压.........................................................363.3.3浮点电位牵制.......................................................363.4变电所综合防雷措施....................................................373.4.1避雷针对直击雷的防护..............................................37第4章变电站防雷保护的分类..................................................384.1雷电过电压的保护.......................................................384.2变电站雷击电流的防护...................................................384.3变电站对最大冲击电压和残压的防护......................................394.4变电站微波机房的接地保护..............................................394.5变电站配电箱的保护....................................................404.6变压器中性点接地的配置原则............................................404.6.1并联间隙的特性....................................................404.6.2中性点间隙与继电保护..............................................414.7单相接地时的工频电压..................................................424.8变电所配电变压器的保护................................................424.8.1正反变换过电压....................................................424.8.2变压器不同接线对正反变换过电压的影响..............................434.8.3避雷器安装的具体要求........................
