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 <title><![CDATA[变频器带电机时的尖叫声]]></title>
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 <description><![CDATA[Latest 50 replies of 变频器带电机时的尖叫声]]></description>
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 <description><![CDATA[看一下电机的型号，带普通异步电机时容易产生尖叫声，带变频专用电机就很少。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55077#724801.html]]></link>
 <author><![CDATA[gongp123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 09 Feb 2010 08:38:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55077#724799.html]]></link>
 <author><![CDATA[hta]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 09 Feb 2010 08:28:42 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第2楼lxhwawa于2010-01-26 18:15发表的&nbsp;&nbsp;:
同意楼上，你可以在变频器参数中修改载波率，载波率越大，噪音越小，漏电流越大；反之噪音越大，漏电流越小
[/quote]
赞同！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55077#719815.html]]></link>
 <author><![CDATA[xinxuefeng12]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 31 Jan 2010 12:51:31 +0000]]></pubdate>
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 <description><![CDATA[同意2楼]]></description>
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 <author><![CDATA[wangzi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 31 Jan 2010 12:28:02 +0000]]></pubdate>
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 <description><![CDATA[学习&nbsp;&nbsp;了 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55077#719675.html]]></link>
 <author><![CDATA[mali]]></author>
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 <pubdate><![CDATA[Sun, 31 Jan 2010 08:21:17 +0000]]></pubdate>
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 <description><![CDATA[学习&nbsp;&nbsp;了 [s:26]&nbsp;&nbsp;[s:26]&nbsp;&nbsp;[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55077#719110.html]]></link>
 <author><![CDATA[西域]]></author>
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 <pubdate><![CDATA[Sat, 30 Jan 2010 10:33:44 +0000]]></pubdate>
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 <description><![CDATA[[s:21] 学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55077#718508.html]]></link>
 <author><![CDATA[ggggusrho]]></author>
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 <pubdate><![CDATA[Fri, 29 Jan 2010 10:39:43 +0000]]></pubdate>
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 <description><![CDATA[同意１、２楼]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55077#717788.html]]></link>
 <author><![CDATA[hyundai天梭]]></author>
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 <pubdate><![CDATA[Thu, 28 Jan 2010 07:27:24 +0000]]></pubdate>
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 <description><![CDATA[学习了，强人。我还没遇到这种故障]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55077#717658.html]]></link>
 <author><![CDATA[黄猛]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 28 Jan 2010 04:23:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该是升高载波频率]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55077#717568.html]]></link>
 <author><![CDATA[得龙节电]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 28 Jan 2010 02:23:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[支持上楼！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55077#717448.html]]></link>
 <author><![CDATA[jjx51798266]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 27 Jan 2010 13:35:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第2楼lxhwawa于2010-01-26 18:15发表的&nbsp;&nbsp;:
同意楼上，你可以在变频器参数中修改载波率，载波率越大，噪音越小，漏电流越大；反之噪音越大，漏电流越小
[/quote]
支持上楼！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55077#716732.html]]></link>
 <author><![CDATA[wmr168888]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 26 Jan 2010 14:11:29 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[同意楼上，你可以在变频器参数中修改载波率，载波率越大，噪音越小，漏电流越大；反之噪音越大，漏电流越小]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55077#716505.html]]></link>
 <author><![CDATA[lxhwawa]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 26 Jan 2010 10:15:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[改变载波频率]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-55077#716275.html]]></link>
 <author><![CDATA[小蜜蜂]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 26 Jan 2010 03:58:54 +0000]]></pubdate>
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