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 <title><![CDATA[从来没有遇到过的怪事，请师傅们指点。谢 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48163.html]]></link>
 <description><![CDATA[Latest 50 replies of 从来没有遇到过的怪事，请师傅们指点。谢 ..]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Sun, 12 Apr 2026 20:39:35 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
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 <description><![CDATA[谢谢兄弟们，我也想换啊，可老板舍不得花钱我也没办法。今天终于找到原因了，有一相放电用的电容有击穿的现象，电阻很低，换掉后正常了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48163#651323.html]]></link>
 <author><![CDATA[m046]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Oct 2009 11:49:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是晶闸管坏了,建议楼主换成IGBT模块吧,控制简单,又比晶闸管稳定可靠,
如果觉得价钱太高就换成SSR(大电流的)也可以,控制都相当简单的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48163#650900.html]]></link>
 <author><![CDATA[qinchenglim]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Oct 2009 02:13:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[很可能是晶闸管的质量问题！有时换新的，一开启电源，线路有存在故障引起了晶闸管烧毁！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48163#650830.html]]></link>
 <author><![CDATA[pretco123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Oct 2009 00:32:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[把g与k短接试一下，就知道晶闸管是否坏了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48163#650824.html]]></link>
 <author><![CDATA[wzhw80808]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 20 Oct 2009 00:21:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[采用排除法与置换法相结合就ok了.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48163#650678.html]]></link>
 <author><![CDATA[ygwpxq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 19 Oct 2009 13:59:07 +0000]]></pubdate>
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 <description><![CDATA[可能是控制板坏了，或晶闸管坏了，因为一上电就有电流输出，肯定是晶闸管已导通了， [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48163#650663.html]]></link>
 <author><![CDATA[alent]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 19 Oct 2009 13:49:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[g接错线了，或它的控制板坏了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48163#650658.html]]></link>
 <author><![CDATA[286268892]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 19 Oct 2009 13:41:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[晶闸管全部换了都不管用呀老兄。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48163#650649.html]]></link>
 <author><![CDATA[m046]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 19 Oct 2009 13:26:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[晶闸管损坏，未开通时有漏电流。或PID调解出现不能调整现象，多是晶闸管损坏所致。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-48163#650642.html]]></link>
 <author><![CDATA[asmoshd]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 19 Oct 2009 13:18:32 +0000]]></pubdate>
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