电笔判断三相三线制供电线路相线接地故障口诀

都是凤舞天骄

星形接法三相线，电笔触及两根亮，
剩余一根亮度弱，该相导线已接地；
若是几乎不见亮, 金属接地的故障。
说明：电力变压器的二次侧一般都接成Y形，在中性点不接地的三相三线制系统中，用验电笔触及三根相线时，有两根通常稍亮，而另一根上的亮度要弱一些，则表示这根亮度弱的相线有接地现象，但还不太严重；如果两根很亮，而剩余一根几乎看不见亮，则是这根相线有金属接地故障。














m.weibo.cn/status/5060729019303531
weibo.com/7936228380/OptROrHib
m.weibo.cn/detail/5060730126601275
m.weibo.cn/status/5060730126601275
weibo.com/7936228380/OptTgo8zv
m.weibo.cn/detail/5060731025752825
m.weibo.cn/status/5060731025752825
weibo.com/7936228380/OptV9tqEM
m.weibo.cn/detail/5060732197013984
m.weibo.cn/status/5060732197013984
weibo.com/7936228380/OptWSEJTf
m.weibo.cn/detail/5060733269709525
m.weibo.cn/status/5060733269709525
weibo.com/7936228380/OptYMaEbM
m.weibo.cn/detail/5060734442537770
m.weibo.cn/status/5060734442537770
weibo.com/7936228380/Opu0Ke1nV
m.weibo.cn/detail/5060735663341919
m.weibo.cn/status/5060735663341919
weibo.com/7936228380/Opu2F1osr
m.weibo.cn/detail/5060736850332347
m.weibo.cn/status/5060736850332347
weibo.com/7936228380/Opu46w69g
m.weibo.cn/detail/5060737747650134
m.weibo.cn/status/5060737747650134
weibo.com/7936228380/Opu5xBvO8
m.weibo.cn/detail/5060738638940408
m.weibo.cn/status/5060738638940408
weibo.com/7936228380/Opu7iFU6L
m.weibo.cn/detail/5060739729987131
m.weibo.cn/status/5060739729987131
weibo.com/7936228380/Opu962TkK
m.weibo.cn/detail/5060740840689362
m.weibo.cn/status/5060740840689362
weibo.com/7936228380/OpuaFywgF
m.weibo.cn/detail/5060741818227193
m.weibo.cn/status/5060741818227193
weibo.com/7936228380/OpucicFAD
m.weibo.cn/detail/5060742823019811
m.weibo.cn/status/5060742823019811
weibo.com/7936228380/OpudXBOoh
m.weibo.cn/detail/5060743859011841
m.weibo.cn/status/5060743859011841
weibo.com/7936248992/Opuy4qwE3
m.weibo.cn/detail/5060756326322019
m.weibo.cn/detail/5060472579559488
m.weibo.cn/status/5060472579559488
weibo.com/7936228380/OpnbSw0wY
m.weibo.cn/detail/5060473487628540
m.weibo.cn/status/5060473487628540
weibo.com/7936228380/OpndOdGLD
weibo.com/7936228380/OplU69VR9
m.weibo.cn/detail/5060424022367355
m.weibo.cn/status/5060424022367355
weibo.com/7936228380/OplVUAU9e
m.weibo.cn/detail/5060425148795644
m.weibo.cn/status/5060425148795644
weibo.com/7936228380/OplXqvBOd
m.weibo.cn/detail/5060426087533509
m.weibo.cn/status/5060426087533509
weibo.com/7936228380/OplZoghcI
m.weibo.cn/detail/5060427303879384
m.weibo.cn/status/5060427303879384
weibo.com/7936228380/Opm11o96D
m.weibo.cn/detail/5060428315754879
m.weibo.cn/status/5060428315754879
weibo.com/7936228380/Opm2Np5eR
m.weibo.cn/detail/5060429415978341
m.weibo.cn/status/5060429415978341
weibo.com/7936228380/Opm4wvYxo
m.weibo.cn/detail/5060430487620878
m.weibo.cn/status/5060430487620878
weibo.com/7936228380/Opm6q7o9K
m.weibo.cn/detail/5060431661761156
m.weibo.cn/status/5060431661761156
weibo.com/7936228380/Opm8di33w
weibo.com/7936228380/Opn52dEhJ
m.weibo.cn/detail/5060469243253123
m.weibo.cn/status/5060469243253123
weibo.com/7936228380/Opn6ZmH8C
m.weibo.cn/detail/5060470455409042
m.weibo.cn/status/5060470455409042
weibo.com/7936228380/Opn8usxpD
m.weibo.cn/detail/5060471386801625
m.weibo.cn/status/5060471386801625
weibo.com/7936228380/OpnapE6Ri
m.weibo.cn/detail/5060726035848149
m.weibo.cn/status/5060726035848149
weibo.com/7936228380/OptMO1Vnm
m.weibo.cn/detail/5060727020458884
m.weibo.cn/status/5060727020458884
weibo.com/7936228380/OptOk11At
m.weibo.cn/detail/5060727960244433
m.weibo.cn/status/5060727960244433
weibo.com/7936228380/OplOXpbPl
m.weibo.cn/detail/5060420836003667
m.weibo.cn/status/5060420836003667
weibo.com/7936228380/OplQyai2f
m.weibo.cn/detail/5060421822452611
m.weibo.cn/status/5060421822452611
weibo.com/7936228380/OplSsBpL5
m.weibo.cn/detail/5060423008917155
m.weibo.cn/status/5060423008917155
m.weibo.cn/detail/5060729019303531
weibo.com/7936228380/OptQ1D2gX

东达

内容太顶了！疯狂点赞，已默默收藏～

wangfei20190912

这波分析到位，逻辑满分！

尹先生

原来还有这种操作，长见识了！

耙耙

理性围观，感觉大家说的都有道理～

shubin

笑不活了，评论区比正文还精彩！

cctv

蹲个后续，楼主记得更新呀，在线等挺急的～

黄家兴

赞同 + 10086，完全说出了我的想法！

言必行行必果

谁懂啊！这内容我能循环看十遍

fujiafeng

楼主太会说了，字字句句都在理