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 <title><![CDATA[单相电和三相电功率的算法，请大神指教]]></title>
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 <description><![CDATA[单 相：P=U相I相COS$
三相：P=√3U线I线COS$&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 或者&nbsp;&nbsp;P=3U相I相COS$]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1670354#2061316.html]]></link>
 <author><![CDATA[宋正伟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Jul 2019 00:23:26 +0000]]></pubdate>
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 <description><![CDATA[2、 P = √3* E*I *cos&#415;]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1670354#2061311.html]]></link>
 <author><![CDATA[wenqing1012]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 18 Jul 2019 00:15:24 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用楼主wangfeng005于2019-07-17 21:26发表的 单相电和三相电功率的算法，请大神指教 :
1：单相电电压220v,电流5a 功率P=ui？？？？
2：三相电电压220v,电流5a 功率P=ui？？？？

[/quote]
 1. P = E*I*cos&#415;

 2. P = √3* E*I&nbsp;&nbsp;(線電壓、線電流)]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1670354#2061295.html]]></link>
 <author><![CDATA[john42tw]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 17 Jul 2019 23:55:05 +0000]]></pubdate>
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