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 <title><![CDATA[懂电工的朋友帮忙分析下是什么原因]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779.html]]></link>
 <description><![CDATA[Latest 50 replies of 懂电工的朋友帮忙分析下是什么原因]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Sat, 16 May 2026 13:05:20 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
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 <description><![CDATA[做得很好。注意的是若长期不使用（带负荷运行），开车前要除尘除潮，正常使用中不用。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1746094.html]]></link>
 <author><![CDATA[sanlihu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 28 Feb 2016 09:17:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你这加强是治标不治本！！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1746022.html]]></link>
 <author><![CDATA[二手工控电器]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 28 Feb 2016 05:07:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[隔个半年拿气枪或者氧气吹一下就好了。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1746017.html]]></link>
 <author><![CDATA[富阳工控]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 28 Feb 2016 04:55:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[现在我们给开关加强绝缘，如图]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1745948.html]]></link>
 <author><![CDATA[meiying]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 27 Feb 2016 22:46:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[输入端就是两相间直接短路四个空开也不会有一个跳闸，检查空开后面线路。很容易搞定：断电后，用摇表摇空开输出端绝缘]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1743949.html]]></link>
 <author><![CDATA[liuliu100]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Feb 2016 03:02:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[导电粉尘，潮湿等引起的短路（可能是相地也可能是相间），短路产生电弧及过电压进一步短路。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1743944.html]]></link>
 <author><![CDATA[sanlihu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Feb 2016 02:43:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这几只工作电流较大，由于粉尘潮湿缘故产生电弧放电现象]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1743943.html]]></link>
 <author><![CDATA[往事如风]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Feb 2016 02:41:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[相间绝缘击穿，引起飞弧。原因可能是空气中有导电粉尘，潮湿等。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1743940.html]]></link>
 <author><![CDATA[amw525022717]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Feb 2016 02:35:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看图2楼分析正确。漏电引起打火。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1743937.html]]></link>
 <author><![CDATA[清风明月lxm]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Feb 2016 02:32:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可能是粉尘过多引起中间空开对地短路，短路后拉弧而造成其他空开一起短路]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1743936.html]]></link>
 <author><![CDATA[firmenichyaq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Feb 2016 02:30:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这空开也该改了！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1743932.html]]></link>
 <author><![CDATA[张文杰]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Feb 2016 02:14:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[font=宋体]是其中一只断路器负载两相短路引起，
两相短路时其断路器未跳闸，两相线路熔断。[/font]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1743902.html]]></link>
 <author><![CDATA[cbj198188]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Feb 2016 01:06:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[2楼大哥分析的很有道理。但为什么另一段没有呢？会不会是断路器内部出现质量问题？如果条件可以的话拆开检查一下。假如是断路器质量问题，为什么几只断路器都会那样呢？不知道]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1743901.html]]></link>
 <author><![CDATA[liuliangdt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Feb 2016 00:57:56 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电柜内部过份潮湿与粉尘超大！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1743896.html]]></link>
 <author><![CDATA[二手工控电器]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Feb 2016 00:24:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你到底指的哪里啊！光一张图片怎么分析啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1538779#1743893.html]]></link>
 <author><![CDATA[rrjlove]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 22 Feb 2016 00:16:20 +0000]]></pubdate>
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