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 <title><![CDATA[11KW&nbsp;&nbsp;潜水泵&nbsp;1.6千米&nb ..]]></title>
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 <description><![CDATA[Latest 50 replies of 11KW&nbsp;&nbsp;潜水泵&nbsp;1.6千米&nb ..]]></description>
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 <description><![CDATA[这种情况我觉得还是用高压在适当位置降压！
否则损耗很大代价也很大！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1422199#1421018.html]]></link>
 <author><![CDATA[杨-cloudjing]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Mar 2013 08:53:35 +0000]]></pubdate>
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<item>
 <title><![CDATA[Re:11KW&nbsp;&nbsp;潜水泵 1.6千米 要多大截面积的电缆？]]></title>
 <description><![CDATA[所以你的方案只能在傳輸端加變壓器，升壓后傳輸，壓損可以增大，導線橫截面就可以減小了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1422199#1420983.html]]></link>
 <author><![CDATA[yangqingbo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Mar 2013 08:00:13 +0000]]></pubdate>
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<item>
 <title><![CDATA[Re:11KW&nbsp;&nbsp;潜水泵 1.6千米 要多大截面积的电缆？]]></title>
 <description><![CDATA[铜电缆電阻R＝ρ×L/S，(铜电线的电阻率ρ＝0.0172，L：长度，单位为米，S：导线截面)。
電纜壓降U=RI
S=1600/{10/(1.732*22*0.0172*COSΦ）}
我算了下 貌似很大]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1422199#1420978.html]]></link>
 <author><![CDATA[yangqingbo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Mar 2013 07:54:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[潛水泵規格上有額定電流這一項，發出來，不知道功率因數沒法算出準確導線截面積]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1422199#1420896.html]]></link>
 <author><![CDATA[yangqingbo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 19 Mar 2013 05:02:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[11LW用10平方明显不够用啊！要考虑线长度，压降]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1422199#1420715.html]]></link>
 <author><![CDATA[yuanfenqi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 18 Mar 2013 14:30:22 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你们都是有钱人啊，要这么大吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1422199#1420714.html]]></link>
 <author><![CDATA[客居他乡]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 18 Mar 2013 14:22:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[考虑线损和发热就选25MM的线好一点.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1422199#1420612.html]]></link>
 <author><![CDATA[ihzgnay]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 18 Mar 2013 11:26:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[会产生电压降吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1422199#1420586.html]]></link>
 <author><![CDATA[ying-feng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 18 Mar 2013 09:55:52 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[10平方为好,]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1422199#1420577.html]]></link>
 <author><![CDATA[zgf889]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 18 Mar 2013 09:37:56 +0000]]></pubdate>
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