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 <title><![CDATA[电流的计算]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146.html]]></link>
 <description><![CDATA[Latest 50 replies of 电流的计算]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Sat, 11 Apr 2026 20:57:43 +0000]]></lastBuildDate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:32]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#971884.html]]></link>
 <author><![CDATA[zl2010]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 16 Feb 2011 00:20:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:26] 25的够了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#971383.html]]></link>
 <author><![CDATA[东莞工控]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 15 Feb 2011 04:48:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[十下五;百上二;二五三五四三界; 
七零九五两倍半;穿管温度八九折; 
铜线升级算;裸线加一半
记住这个口诀&nbsp;&nbsp;可以参考参考]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#970899.html]]></link>
 <author><![CDATA[zidonghua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Feb 2011 08:00:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[留点余量好啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#970858.html]]></link>
 <author><![CDATA[zxcvbnm1234]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Feb 2011 06:38:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[线电流,16或者多一点更好,不过考虑成本,粗一点就价钱就贵很多了!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#970688.html]]></link>
 <author><![CDATA[pretco123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Feb 2011 02:20:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该用25的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#970601.html]]></link>
 <author><![CDATA[遥控器]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 13 Feb 2011 14:28:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你的这个73A是错误的数！要是单相不考虑功率因数的话就是这个数字，单相的电流用P/U不考虑功率因数的话就是73A。但是三相四线制的话就不是这样算的了，公式P=1.73UI还得乘以功率因数。那I=P/1.73U然后得到的数还得除以功率因数，那得到的这个数就是三相四线制的线电流，是每根线的电流，不是总的线电流，总的话还得乘以3， ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#970593.html]]></link>
 <author><![CDATA[朱东伟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 13 Feb 2011 14:22:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[的确是16有余 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#970546.html]]></link>
 <author><![CDATA[shi2999]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 13 Feb 2011 13:19:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[16有余]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#970533.html]]></link>
 <author><![CDATA[rj3383]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 13 Feb 2011 13:08:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我认为用25mm平方的好一点，三根线同时测的总电流应为零。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#967452.html]]></link>
 <author><![CDATA[cfdq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 06 Feb 2011 00:33:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#962226.html]]></link>
 <author><![CDATA[ljshqu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 23 Jan 2011 05:33:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该是三根线的电流吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#962220.html]]></link>
 <author><![CDATA[路小北]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 23 Jan 2011 05:22:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[73A，几级的电机？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#961876.html]]></link>
 <author><![CDATA[wycfm25202]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 22 Jan 2011 13:08:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[28千瓦怎么会有73安的电流？最多五十几安，10平方的铜线就够了，73安16平方就够了！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#961738.html]]></link>
 <author><![CDATA[工控组态]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 22 Jan 2011 09:58:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[单相电流&nbsp;&nbsp; 看线路长短&nbsp;&nbsp; 长考虑电压损失 线径原基础上加大&nbsp;&nbsp;用25的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#961734.html]]></link>
 <author><![CDATA[孙发明]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 22 Jan 2011 09:38:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[根据功率W=UIcos&amp;就能算出每根线的电流，但是首先要知道功率因素是多少。然后根据电流来选择线径。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#961511.html]]></link>
 <author><![CDATA[xvqinhai]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 22 Jan 2011 01:41:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电流应该没有73a，莫非你说的是启动电流]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#961502.html]]></link>
 <author><![CDATA[2004100519]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 22 Jan 2011 01:33:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电动机的话就要大一点，启动冲击不可忽略，变频启动16就够了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#959946.html]]></link>
 <author><![CDATA[黎明]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 19 Jan 2011 13:41:37 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习啦！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#959439.html]]></link>
 <author><![CDATA[20100809]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 19 Jan 2011 03:20:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[28KW。如功率因数0。85测为=51A，
用户: 计算结果: 截面 S = 25 平方
弯曲半径 R = 506 mm&nbsp;&nbsp; 电缆重量 W = 1267 kg/km
计算功率 Pjs = 28 kw&nbsp;&nbsp; 计算电流 Ijs = 50.05A
功率因素 Cos = 0.85&nbsp;&nbsp; 相位 : 三相&nbsp;&nbsp; 校正系数 = 0.70

1:按线路压降选择时，截面 S = 10 平方&nbsp;&nbsp;满 ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#957025.html]]></link>
 <author><![CDATA[wangfuwang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 15 Jan 2011 02:49:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[楼主这是什么电机。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#956896.html]]></link>
 <author><![CDATA[zzf125]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 14 Jan 2011 14:42:49 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[16的足够了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#956874.html]]></link>
 <author><![CDATA[ldq_yang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 14 Jan 2011 14:07:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我只见过三相四线,没见过三线四相 [s:33]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#956805.html]]></link>
 <author><![CDATA[lichunwei]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 14 Jan 2011 12:42:43 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[笔误了，是三相四线吧；
线径可参考以上的意见。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#956777.html]]></link>
 <author><![CDATA[qlin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 14 Jan 2011 12:02:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[选择25的保险。现在的供货商的供货质量令人担忧！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#956401.html]]></link>
 <author><![CDATA[yanchangfu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 14 Jan 2011 01:59:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[还是用25的吧,现在的电线大多数不达标.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#956197.html]]></link>
 <author><![CDATA[万钧彩]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 13 Jan 2011 13:18:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[遇大侠了，三线四相，你有才 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#956012.html]]></link>
 <author><![CDATA[雪夜寒光]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 13 Jan 2011 09:15:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[28KW大概56A，怎么会73A.线的大小要看线路的远近。几十米，16&nbsp;&nbsp; 几百米 25&nbsp;&nbsp;几千米 35]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#956011.html]]></link>
 <author><![CDATA[mayanheng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 13 Jan 2011 09:13:56 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[三线四相？？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#955998.html]]></link>
 <author><![CDATA[tianjiguyun]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 13 Jan 2011 09:05:34 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[73A是每根线的电流.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-94146#955936.html]]></link>
 <author><![CDATA[自由的心]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 13 Jan 2011 07:50:44 +0000]]></pubdate>
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