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 <title><![CDATA[单相三相负荷计算]]></title>
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 <description><![CDATA[Latest 50 replies of 单相三相负荷计算]]></description>
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 <description><![CDATA[负载是纯电阻性负载可以这要样算！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-111160#1075610.html]]></link>
 <author><![CDATA[pretco123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 21 Jun 2011 07:55:58 +0000]]></pubdate>
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 <description><![CDATA[学习 [s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-111160#1075463.html]]></link>
 <author><![CDATA[jyy5299]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 21 Jun 2011 05:17:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[论坛就喜欢这样热心的人]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-111160#1074969.html]]></link>
 <author><![CDATA[产品设计]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 20 Jun 2011 11:46:25 +0000]]></pubdate>
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 <description><![CDATA[2楼分析很详细，学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-111160#1074831.html]]></link>
 <author><![CDATA[wsgily]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 20 Jun 2011 08:25:30 +0000]]></pubdate>
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 <description><![CDATA[选用最大\额定电流的1.7倍吧,特别是这种泵类要保特强大的瞬间过载]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-111160#1073460.html]]></link>
 <author><![CDATA[张平全]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 18 Jun 2011 10:57:02 +0000]]></pubdate>
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 <description><![CDATA[谢大侠了，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-111160#1072832.html]]></link>
 <author><![CDATA[产品设计]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Jun 2011 15:53:20 +0000]]></pubdate>
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 <title><![CDATA[单相三相负荷计算]]></title>
 <description><![CDATA[根据你的电气图，准确的负荷是8KW+1.6KW*3+2.2KW*2=17.2KW，因为这是三相不平衡负荷，计算每相总电流比较复杂，但是要考虑最大负荷时的最大单相电流L3，总开关的电流满足了L3，线路才能正常工作，I1（L3上加热器）=8000/220=36.36A&nbsp;&nbsp; I2（L3上单相水泵）=1600/220*0.8=9.09A&nbsp;&nbsp; I 3（三相水泵）=2200/ ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-111160#1072798.html]]></link>
 <author><![CDATA[liuhuaxing]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Jun 2011 14:53:56 +0000]]></pubdate>
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 <description><![CDATA[单相三相负荷计算真把我难倒了，小弟刚入这行，请大侠们帮下我闯过这关]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-111160#1072649.html]]></link>
 <author><![CDATA[产品设计]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 17 Jun 2011 12:14:38 +0000]]></pubdate>
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