<p>如何对<a href="/" target="_blank" title="30吨电子汽车衡">30吨电子汽车衡</a>预防雷击做出很好的准备?</p><div style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">1、接地模式</div><div style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"> 为了满足电子系统或称重装置的运行要求，电力系统或称重装置的某一点进行接地，称为工作接地，如采用TN-S系统三相五线供电，具有良好的接地。</div> <div style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">2、防雷接地</div><div style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"> 我们经常看到那些大型设备和高楼大厦安装防雷网、塔式设备避雷针、一般设备的接地避雷器等，这是为了不被雷击过电压对个人或设备的伤害，而对过电压保护设备设置接地，就是所谓的防雷接地。</div> <div style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">3、重复接地<div style="white-space: normal; color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; background-color: rgb(255, 255, 255);"> 在低压配电系统的TN-C系统中，为了zu 止中性线因失效而失去接地保护，造成触电危险，损坏设备，对中性线进行了多次接地(使之成为TN-C- s系统)。</div></div> <div style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">4、保护接地</div><div style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);"><div style="white-space: normal; color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; background-color: rgb(255, 255, 255);"> 我们都知道,如果电气设备的绝缘损坏对人体是有害的,所以为了<span style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; background-color: rgb(255, 255, 255);">zu </span>止这样的事发生,我们必须限制其金属住房内电压到地面an quan电压,可以接近导体接触电气设备的一部分,称为保护接地。如:电气金属外壳、称重装置、传动装置在这里要注意保护。</div></div> <div style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">5. 屏蔽接地</div><div style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; background-color: rgb(255, 255, 255);"> 为了<span style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; background-color: rgb(255, 255, 255);">zu </span><span style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; background-color: rgb(255, 255, 255);">止</span>由于杂散电容的存在、电路的辐射电场或对外界电场的敏感性而造成电路之间的干扰，必须进行必要的隔离和屏蔽，隔离和屏蔽的金属必须接地。喜欢滤波器接地:滤波器一般包含信号线或电力线到地的电容旁路，当滤波器不接地时，这些电容处于悬吊状态，不能起到旁路的作用。</div> <div style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; white-space: normal; background-color: rgb(255, 255, 255);">6. 防静电接地</div><div style="color: rgb(76, 76, 76); font-family: "Microsoft YaHei", 微软雅黑, "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", Arial, sans-serif; background-color: rgb(255, 255, 255);"> 为消除静电对人员和设备造成的伤害，对液体或气体的金属输送管道或对弱电流的车辆和外壳进行接地。</div><p><img src="/static/upload/image/20220609/1654762582156341.jpg" title="1654762582156341.jpg" alt="1654762582156341.jpg" width="600" height="800" style="width: 600px; height: 800px;"/></p>
