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 <title><![CDATA[电机的功率问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399596.html]]></link>
 <description><![CDATA[Latest 50 replies of 电机的功率问题]]></description>
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 <description><![CDATA[具体功率220V乘根号3乘电流和功率因数。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399596#1343039.html]]></link>
 <author><![CDATA[yjhdlp]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Sep 2012 11:47:59 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399596#1342930.html]]></link>
 <author><![CDATA[叶问学工控]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Sep 2012 08:13:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有公式可计算：电动机角形接法的功率是星形接法功率的3倍。其中，角形接法的线电流是星形接法线电流的3倍，角形接法的相电流是星形接法相电流的根号3倍。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399596#1342879.html]]></link>
 <author><![CDATA[cdm560221]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Sep 2012 07:02:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[功率减五份之二 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399596#1342624.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Sep 2012 00:14:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[同一个电机星形接法肯定比三角形接法功率小些这是肯定的，但小多少要看电机名牌。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399596#1342616.html]]></link>
 <author><![CDATA[hmilydyk]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 11 Sep 2012 23:20:43 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[具体公式不好计算，看电机铭牌的说明为准]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1399596#1342577.html]]></link>
 <author><![CDATA[sjm213]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 11 Sep 2012 15:14:19 +0000]]></pubdate>
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