按照结构特征部分： According to the structural features: 图片 The picture 过电压保护器的结构原理 The structure of the overvoltage protector 1、无间隙：功能部分为非线性氧化锌电阻片 No gap: functional parts are non-linear zinc oxide resistance films 2、串联间隙：功能部分为串联间隙及氧化锌电阻片 Series clearance: the function is in series clearance and zinc oxide resistor chip 按照外形结构： According to the structure: F、全封闭结构：结构紧凑可带数显计数器 F, fully enclosed structure: compact structure with digital display counter T、积木组合式：结构间隙较大可组合成“一”、“T”、“田”、“Z”、“L”等外形。可带在线检测仪。 The combination of T and building blocks: the larger structures can be grouped into "one", "T", "tian", "Z", "L" etc. Can take an online detector. W、户外型：组合型避雷器可带机械计数器。 W, outdoor type: a combination type arrester can carry a mechanical counter. 按照保护对象： In accordance with the protection object: A、电站型：适合各种变压器、开关、母线的过电压保护 A, power station type: suitable for all kinds of transformer, switch and bus voltage protection B、电机型：适合各类电机的过电压保护 B, electric machine: suitable for all kinds of electric motors C、电容器型：适合各种电容器的过电压保护 C, capacitor type: suitable for all kinds of capacitor O、中性点型：适合各种中性点保护 O, neutral: suitable for all kinds of neutral protection