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 <title><![CDATA[紧急求助&nbsp;&nbsp; 各位大侠多帮帮忙！]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-20567.html]]></link>
 <description><![CDATA[Latest 50 replies of 紧急求助&nbsp;&nbsp; 各位大侠多帮帮忙！]]></description>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[电机上有接地线吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-20567#356739.html]]></link>
 <author><![CDATA[方茂兴]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Sat, 15 Nov 2008 17:17:01 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[&quot;电机转的时候我用万用表打了&nbsp;&nbsp; 有100多伏
可是电机停下来就没电压了 &quot;


这个有什么问题吗?电机转的时候有电压，停止时电压为零，电压和频率同向改变。参看变频器V/F曲线图，并正确设置]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-20567#302352.html]]></link>
 <author><![CDATA[一天贼忙]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Fri, 05 Sep 2008 01:07:33 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[变频器与电动机是否串连接地了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-20567#302303.html]]></link>
 <author><![CDATA[卓发智能]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 04 Sep 2008 19:26:39 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[变频器和电机同时接地。 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-20567#301873.html]]></link>
 <author><![CDATA[ljl5130]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 04 Sep 2008 10:00:38 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[晕，提个问题都说不清楚！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-20567#301766.html]]></link>
 <author><![CDATA[华丰]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 04 Sep 2008 07:50:26 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[改变电机的接线,是星形还是三角形]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-20567#301630.html]]></link>
 <author><![CDATA[刘丽]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Thu, 04 Sep 2008 05:21:40 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[有没有人知道原因啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-20567#300836.html]]></link>
 <author><![CDATA[guduleng]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Wed, 03 Sep 2008 07:34:50 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[电机转的时候我用万用表打了&nbsp;&nbsp; 有100多伏
可是电机停下来就没电压了&nbsp;&nbsp;
电机外壳也不漏电&nbsp;&nbsp;因为只要不经过变频器单独接380伏
电机转的时候就没有电压]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-20567#300167.html]]></link>
 <author><![CDATA[guduleng]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Tue, 02 Sep 2008 10:19:29 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[产生电压?

能具体点吗？ 


如果是外壳漏电的话接地。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-20567#300142.html]]></link>
 <author><![CDATA[YMMFA]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Tue, 02 Sep 2008 09:14:44 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[怎么没人帮个忙啊&nbsp;&nbsp; [s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-20567#300130.html]]></link>
 <author><![CDATA[guduleng]]></author>
 <category><![CDATA[三菱工控论坛]]></category>
 <pubdate><![CDATA[Tue, 02 Sep 2008 08:57:38 +0000]]></pubdate>
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