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 <title><![CDATA[磁到难题了，请教高手一个问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036.html]]></link>
 <description><![CDATA[Latest 50 replies of 磁到难题了，请教高手一个问题]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Wed, 29 Apr 2026 18:57:02 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <description><![CDATA[一般原因就是零线和地线区分不好，造成零线电压电压不稳定。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#436347.html]]></link>
 <author><![CDATA[stonema80]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 18 Feb 2009 12:53:11 +0000]]></pubdate>
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 <description><![CDATA[出这个问题我认为没什么意义.也不明白是什么意思]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#436114.html]]></link>
 <author><![CDATA[yangjunhua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 18 Feb 2009 09:03:37 +0000]]></pubdate>
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 <description><![CDATA[我感觉出的这题条件不充分，它每一路都是一样的，怎么就会是C这一路有问题呢？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#435557.html]]></link>
 <author><![CDATA[cbf]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 17 Feb 2009 15:04:48 +0000]]></pubdate>
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 <description><![CDATA[有图能更好的分析一下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#435292.html]]></link>
 <author><![CDATA[xw768130]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 17 Feb 2009 10:09:48 +0000]]></pubdate>
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 <description><![CDATA[你叫他自己能把这各问题答好再说,提这种问题的人自己肯定不怎能地 [s:32]&nbsp;&nbsp;[s:32]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#434704.html]]></link>
 <author><![CDATA[陈海林]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 16 Feb 2009 14:26:19 +0000]]></pubdate>
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 <description><![CDATA[国外大客户为什么一直要求是 三相五线制，而国内的通常给做成了三相四线制（把为火险和零线并在一起了），有什么主要区别吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#434585.html]]></link>
 <author><![CDATA[zhangshichao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 16 Feb 2009 12:17:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电机是三相的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#377973.html]]></link>
 <author><![CDATA[丙丙]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 07 Dec 2008 01:12:20 +0000]]></pubdate>
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 <description><![CDATA[学习学习,要是回答说是C组的灯管回路有问题是不是也有可能啊?]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#373921.html]]></link>
 <author><![CDATA[likinsan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 02 Dec 2008 14:49:09 +0000]]></pubdate>
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 <description><![CDATA[[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#373405.html]]></link>
 <author><![CDATA[unique]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 02 Dec 2008 09:55:21 +0000]]></pubdate>
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 <description><![CDATA[实际上三相五线制就是三根相线L1,L2,L3，一根零线N，零线在引出后不再做重复接地。在变压器的中性接地点出同时引出一根保护接地线PE，这跟保护接地线引出后要做重复接地，并且不再和零线连接，这样，3根火线+1根0线+1根地线，就成了三相五线制了。也叫TN-C-S的配电系统。其实楼主的问题主要是三相负荷的平局分配问题，也就 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#373319.html]]></link>
 <author><![CDATA[guochunyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 02 Dec 2008 08:25:39 +0000]]></pubdate>
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 <description><![CDATA[还有三相负载不平衡，你只说了四组，并没说在三相上是怎么接负载。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#373224.html]]></link>
 <author><![CDATA[fert]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 02 Dec 2008 07:06:29 +0000]]></pubdate>
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 <description><![CDATA[学习了 谢谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#373171.html]]></link>
 <author><![CDATA[pykgj]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 02 Dec 2008 06:09:19 +0000]]></pubdate>
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 <description><![CDATA[ViDown_0.8.9_setup_s.zip]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#371487.html]]></link>
 <author><![CDATA[wangrong2007]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 Nov 2008 12:06:04 +0000]]></pubdate>
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 <description><![CDATA[三相五线制就是三条火线一条零线一条接地线，1。5KW的电机是三相的还是单相的？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#371338.html]]></link>
 <author><![CDATA[pingwuhui83]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 Nov 2008 09:56:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[＂三相五线制＂，我去搞明白了再来回答你]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#371296.html]]></link>
 <author><![CDATA[zhufei2008]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 Nov 2008 09:34:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[怎么没人啊，自己先顶起啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26036#371185.html]]></link>
 <author><![CDATA[丙丙]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 Nov 2008 08:28:17 +0000]]></pubdate>
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