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 <title><![CDATA[西门子变频器故障]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1404116.html]]></link>
 <description><![CDATA[Latest 50 replies of 西门子变频器故障]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <description><![CDATA[正常 它是根据负载的变化而变化]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1404116#1435698.html]]></link>
 <author><![CDATA[260024375]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 06:13:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[风机的话应该是用的变转矩控制，属于平方转矩负载，这个很难说要看现场情况，我们单位原来有台厨房新风机也出现过变频器过流跳闸，后来查出来是轴承坏了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1404116#1435669.html]]></link>
 <author><![CDATA[shfxfa]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Thu, 25 Apr 2013 04:40:41 +0000]]></pubdate>
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 <description><![CDATA[参数里用变转矩模式]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1404116#1435511.html]]></link>
 <author><![CDATA[mlsyg]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Wed, 24 Apr 2013 17:23:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[变频器是什么控制模式？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1404116#1349808.html]]></link>
 <author><![CDATA[z061403]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 24 Sep 2012 11:35:44 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不频繁启动，因为是控制锅炉风机]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1404116#1349653.html]]></link>
 <author><![CDATA[huoshi]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 24 Sep 2012 07:13:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[问下你的75kw电机是否频繁启动或更换频率，是的话电流波动大正常，不是的话应该差原因？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1404116#1349592.html]]></link>
 <author><![CDATA[hmilydyk]]></author>
 <category><![CDATA[西门子工控论坛]]></category>
 <pubdate><![CDATA[Mon, 24 Sep 2012 05:31:14 +0000]]></pubdate>
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