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 <title><![CDATA[请教变频器大师]]></title>
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 <description><![CDATA[Latest 50 replies of 请教变频器大师]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[]]></title>
 <description><![CDATA[路过，测量变频器端子电压与显示是否一致，不同则坏了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1397562.html]]></link>
 <author><![CDATA[许泽民]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 03 Jan 2013 09:06:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[换变频器吧！！！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1396465.html]]></link>
 <author><![CDATA[奋斗人生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 Dec 2012 11:29:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[检查驱动光耦和逆变模块]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1396453.html]]></link>
 <author><![CDATA[李洪喜]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 Dec 2012 10:34:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[路过，学习一下了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1396442.html]]></link>
 <author><![CDATA[victor]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 Dec 2012 09:56:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[大部分是变频故障.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1395447.html]]></link>
 <author><![CDATA[ihzgnay]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Dec 2012 15:13:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[变频器缺相了
 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1395310.html]]></link>
 <author><![CDATA[zhangchen]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Dec 2012 08:56:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是变频器问题我也碰过很多次了是高速光偶坏了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1395252.html]]></link>
 <author><![CDATA[lu770yuang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Dec 2012 07:06:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢高手们的指点！其他我检查过，没问题。--我正在购买PC929光耦替换试试；如果是模块坏了就麻烦大了----]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394961.html]]></link>
 <author><![CDATA[天下英雄]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 12:07:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢各位高手的指点；正在购买PC929光耦；准备替换试试---若是模块坏就麻烦了---]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394956.html]]></link>
 <author><![CDATA[天下英雄]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 11:49:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[哈哈你可以换新的啦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394935.html]]></link>
 <author><![CDATA[fffsjm]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 11:20:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[变频器故障]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394922.html]]></link>
 <author><![CDATA[zby7811]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 10:46:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[路过，分享一下科路大师的经验，谢谢 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394920.html]]></link>
 <author><![CDATA[阮子]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 10:42:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[缺相了吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394896.html]]></link>
 <author><![CDATA[协手闯天下]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 09:53:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[检查电机绕组和变频器逆变模块]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394879.html]]></link>
 <author><![CDATA[rgbfii]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 08:49:00 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[检查驱动光耦和逆变模块]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394804.html]]></link>
 <author><![CDATA[wenqing1012]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 07:14:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[台达B系列1.5KW变频器，因为该变频器只检测2相，正好是没有检测电路的缺相。所以没有报警。检查驱动光耦和逆变模块。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394740.html]]></link>
 <author><![CDATA[makou]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 04:28:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[分析一下，应该是这儿的问题。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394731.html]]></link>
 <author><![CDATA[thcgw]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 03:39:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[&nbsp;&nbsp;这种情况碰到的多了，绝对是变频器的问题。一般都是变频器的逆变驱动其中一相的某个元件出了问题，比如光耦和电容。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394661.html]]></link>
 <author><![CDATA[hjd105]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 01:24:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[测试一下波形，要不就换台变频器看看]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394660.html]]></link>
 <author><![CDATA[hjjjq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 01:21:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以肯定的是电机绝对是好的。我拆下变频器用灯泡试就是这样的结果。奇怪的是变频器什么警都不报-----就那么抖动！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394653.html]]></link>
 <author><![CDATA[天下英雄]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 01:11:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如果是变频器缺项，变频器会报警的，检查电机的接线和电机的绕组是否缺项。因为电机接错线，或者绕组烧了，这种变频器有时是不报警的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1417256#1394644.html]]></link>
 <author><![CDATA[zlc1210903]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 26 Dec 2012 00:43:01 +0000]]></pubdate>
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