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 <title><![CDATA[奇怪的故障]]></title>
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 <description><![CDATA[[quote]引用第6楼434319840于2011-09-15 12:41发表的&nbsp;&nbsp;:
看来楼上的不知道变频调速的缺点吧，，低频时转矩不足。。。。
[/quote]
abb的acc800，好像能达到，零频率额定转速，早先的在uf控制时，可能存在你说的问题，现在直接转矩控制，矢量控制，不会存在低频时转矩不足的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119698#1126784.html]]></link>
 <author><![CDATA[yifan_1987]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 16 Sep 2011 23:47:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[查到问题了 吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119698#1126775.html]]></link>
 <author><![CDATA[汪之生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 16 Sep 2011 23:36:34 +0000]]></pubdate>
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 <description><![CDATA[&nbsp;&nbsp;一般合理的解释就是碳刷和换向器接触不好，就是电枢短路会出现AOP]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119698#1125995.html]]></link>
 <author><![CDATA[fdw1900]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 15 Sep 2011 09:34:40 +0000]]></pubdate>
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 <description><![CDATA[各位大虾，没看到连电机都换了吗，换了2台啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119698#1125994.html]]></link>
 <author><![CDATA[fdw1900]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 15 Sep 2011 09:32:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[现在还有用直流调速的，早就可以淘汰了。换变频电机。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119698#1125623.html]]></link>
 <author><![CDATA[果丁]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 14 Sep 2011 23:34:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[直流调速器的驱动检测不好。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119698#1125607.html]]></link>
 <author><![CDATA[汪之生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 14 Sep 2011 22:19:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[集电环和碳刷接触有问题，就出AOP]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119698#1125601.html]]></link>
 <author><![CDATA[sylgq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 14 Sep 2011 17:30:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[碳刷有无问题？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119698#1125544.html]]></link>
 <author><![CDATA[rockyhuo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 14 Sep 2011 14:51:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼主你还有可控硅输出模块没查呢！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119698#1125446.html]]></link>
 <author><![CDATA[shi2999]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 14 Sep 2011 12:52:49 +0000]]></pubdate>
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