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 <title><![CDATA[直流调速电机速度不稳]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-78005.html]]></link>
 <description><![CDATA[Latest 50 replies of 直流调速电机速度不稳]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <description><![CDATA[直流调速电机的励磁电压正常不变，就看电区电压正不正常，否则就检查碳刷接触是否良好。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-78005#870103.html]]></link>
 <author><![CDATA[wlw]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 21 Sep 2010 12:27:00 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[是闭环控制还是开环控制]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-78005#870085.html]]></link>
 <author><![CDATA[weilinyi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 21 Sep 2010 11:37:39 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[速度反馈检查过吗？如果用的编码器有没有干扰？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-78005#866651.html]]></link>
 <author><![CDATA[zxj-2009]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 16 Sep 2010 03:35:34 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[有没有可能是电枢的碳刷接触不良]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-78005#866555.html]]></link>
 <author><![CDATA[wlx]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 16 Sep 2010 01:11:14 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[直流电机飞车基本都是因为没有励兹引起的；在电枢电压不变的情况下，速度会自己降下来，除了负荷变化，励兹加大速度也会变慢。不过听楼主的解析更像是电滋调速异步电动机，俗称滑差电机]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-78005#864477.html]]></link>
 <author><![CDATA[aaweihua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 12 Sep 2010 13:11:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有可能是励磁电压不稳 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-78005#864377.html]]></link>
 <author><![CDATA[卧龙湾]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 12 Sep 2010 09:58:48 +0000]]></pubdate>
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