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 <title><![CDATA[关于加热器线电流的计算]]></title>
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 <description><![CDATA[Latest 50 replies of 关于加热器线电流的计算]]></description>
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 <description><![CDATA[星形连接：线电压=相电压，电压=220。&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 线电流=相电流，电流1000W/220U=4。54A]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97262#992721.html]]></link>
 <author><![CDATA[fff936100286]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Wed, 16 Mar 2011 08:07:17 +0000]]></pubdate>
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 <description><![CDATA[每根加热线的电流为1000/220=4.5]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97262#992053.html]]></link>
 <author><![CDATA[gk菜鸟]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Tue, 15 Mar 2011 11:42:44 +0000]]></pubdate>
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 <description><![CDATA[电压&nbsp;&nbsp;220V&nbsp;&nbsp;功率1000W&nbsp;&nbsp; 功率等于电压与电流的积&nbsp;&nbsp;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97262#980951.html]]></link>
 <author><![CDATA[liwenbin]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Mon, 28 Feb 2011 14:54:59 +0000]]></pubdate>
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 <description><![CDATA[星形接法&nbsp;&nbsp;单根电压220V&nbsp;&nbsp; 相电流=1.732X线电流=1000/220X1.732=7.9A]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-97262#980836.html]]></link>
 <author><![CDATA[xin418513387]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Mon, 28 Feb 2011 13:21:31 +0000]]></pubdate>
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