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装设接地线作用谁能介绍下？

装设接地线作用谁能介绍下？

浏览：62次 | 提问时间： 07-03 04:15

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能否给我一颗不会动摇的心 07-03 04:16

家用电器有许多是金属外壳，或与水有关，容易漏电…当漏电时电流直接从接地线流入大地，而不从人体，从而保护了人的安全

つ西冷红茶 07-03 04:24

一、地线的作用是把有可能带电金属壳上的电引到大地中，以免人触到发生触电事故。
二、不接地，一旦设备发生漏电现象，人一旦碰到带电体，就有可能发生触电事故。接地线可以把泄露的电流分导到地面，避免触电。
三、接地线主要是为了防止漏电伤人，对机器的本身到没有什么影响
以上三点便是地线在家庭电路中的作用，而在实际运用中，没有接地线会影响电力系统的安全运行，所以地线的作用在每个家庭电路中是非常重要的。

夏有森光若流苏 07-03 04:32

(1) 对可能送电至停电设备的各个电源侧，均应装设接地线，从电源侧看过去，工作人员均应在接地线的后面，在接地线的保护之下。 (2) 当有产生危险感应电压的可能时，要视情况适当增挂接地线。

回眸一笑百媚生 07-03 04:40

装设接地线的原则是：
　　(1) 对可能送电至停电设备的各个电源侧，均应装设接地线，从电源侧看过去，工作人员均应在接地线的后面，在接地线的保护之下。
　　(2) 当有产生危险感应电压的可能时，要视情况适当增挂接地线。
　　(3) 进行线路工作时，除应遵循以上两条外，还应在每个工作台班的工作地段两侧悬挂接地线，即使是单端有电源的受电线路也应在工作地点的两端分别挂接地线。线路停电工作一般应在发电厂、变电所装设接地线。

　　其作用是：

　　(1) 可将电气设备上的剩余电荷泄入大地，同时当出现突然来电时，可促使电源开关迅速跳开。
　　(2) 可以限制发生突然来电时设备对地电压的升高。

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