为什么要使用漏电保护器--杨远锋的博客

为什么要使用漏电保护器

[ 2011-1-4 9:57:00 | By: 杨远锋 ]

漏电保护器又称漏电开关，是一种新型的电气安全装置，其主要用途是：
　　
　　（1）防止由于电气设备和电气线路漏电而引起的触电事故；
　　
　　（2）防止用电过程中的单相触电事故；
　　
　　（3）及时切断电气设备运行中的单相接地故障，防止因漏电而引起的火灾事故；
　　
　　（4）随着人们生活水平的提高，家用电器的不断增加，在用电过程中，由于电气设备本身的缺陷、使用不当和安全技术措施不力而造成的人身触电和火灾事故，给人民的生命和财产带来了不应有的损失。而漏电保护器的出现，对预防各类事故的发生，及时切断电源，保护设备和人身的安全，提供了可靠而有效的技术手段。
　　
　　漏电保护器在技术上应满足以下几点要求：
　　
　　（1）触电保护的灵敏度要正确合理，一般启动电流应在15~30毫安范围内。
　　
　　（2）触电保护的动作时间一般情况下不应大于0.1秒。
　　
　　（3）保护器应装有必要的监视设备，以防运行状态改变时失去保护作用，如对电压型触电保护器，应装设零线接地的装置。

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原创

[ 2016-9-6 17:21:42 | By: 原创(游客) ]

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原创

[ 2016-9-28 16:55:57 | By: 原创(游客) ]

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原创

[ 2016-9-30 11:32:54 | By: 原创(游客) ]

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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Re:在漫画中识别身边的违章

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