<?xml version="1.0" encoding="gbk"?>
<rss version="2.0">
<channel>
 <title><![CDATA[75KW的线要选多粗]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943.html]]></link>
 <description><![CDATA[Latest 50 replies of 75KW的线要选多粗]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Tue, 07 Apr 2026 07:09:33 +0000]]></lastBuildDate>
  <image>
 <url><![CDATA[images/rss.gif]]></url>
 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
  </image>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用50平方的，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1244308.html]]></link>
 <author><![CDATA[ying-feng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Apr 2012 02:16:56 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[支持5楼非常正确…要以事论事]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1244306.html]]></link>
 <author><![CDATA[huhu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Apr 2012 02:14:30 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[楼主的计算软件还是删了吧，误人子弟啊！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1244289.html]]></link>
 <author><![CDATA[songzuolei]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Apr 2012 01:43:16 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[支持10楼说法]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1244259.html]]></link>
 <author><![CDATA[liudayin-001]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 10 Apr 2012 01:09:56 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[可以估算了，看看多长距离。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237878.html]]></link>
 <author><![CDATA[dghui]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 16:35:20 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[1楼正解，这软件有点坑爹啊，一般空调柜机才多大功率，推荐电源线都不会低于4mm^2,
实际选用还需根据电缆芯数、架空还是埋地、电缆材料综合考虑， [attachment=81209]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237703.html]]></link>
 <author><![CDATA[zxrom]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 12:31:15 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[50平方mm铜线足够，我是饮料企业，有一台设备，75KW，距离50米，就是这样配线的，有两年了，一直正常。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237668.html]]></link>
 <author><![CDATA[scxclzyzb]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 11:59:22 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[同意11楼，35就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237667.html]]></link>
 <author><![CDATA[小东]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 11:56:41 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[用50平方的铜线就ok了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237663.html]]></link>
 <author><![CDATA[tty]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 11:53:16 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[楼主用的什么软件，太雷人。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237656.html]]></link>
 <author><![CDATA[工控学习]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 11:46:17 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[同意，用50mm2，35的略小了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237501.html]]></link>
 <author><![CDATA[shennan]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 07:36:16 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237390.html]]></link>
 <author><![CDATA[小小一电工]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 04:23:51 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[50mm2铜线就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237383.html]]></link>
 <author><![CDATA[李想]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 04:15:13 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[支持十楼]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237361.html]]></link>
 <author><![CDATA[xcw]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 03:44:32 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第5楼lirt于2012-03-29 22:35发表的&nbsp;&nbsp;:
选线要看实际使用情况来选的，75KW是电动机类还是电阻类的负载，而且还要看所带负载是轻还是重、是长时间还是短时间运行。
[/quote]
75KW是电动机&lt;风机》]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237323.html]]></link>
 <author><![CDATA[liudehai]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 02:16:42 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[35mm2的YJV电缆就可以了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237262.html]]></link>
 <author><![CDATA[328057984]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 01:19:59 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[对于国标线，我给你口诀：10下五，10O上二，25、35四三界，70、95两倍半，铜线升级算，裸线乘1倍，穿管、温度八、九折。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237252.html]]></link>
 <author><![CDATA[suuy79]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 01:06:35 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第1楼120732701于2012-03-29 22:16发表的&nbsp;&nbsp;:
1KW大溉是2A&nbsp;&nbsp;75KW就是150A，70平方吧！
[/quote]
正确，照此办理没有错！但这是电源主线的规格。若是星三角启动，到电机的线就不要这么大了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237244.html]]></link>
 <author><![CDATA[yyy313]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 00:52:39 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[楼主的计算软件不可信赖]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237232.html]]></link>
 <author><![CDATA[祥林嫂]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 00:35:23 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[要看负载类型的~一般电机，配电距离是20的话~75KW 乘以2~电流是150A 
铜线一般是4~6现在的线质量不敢恭维~25到35的线就可以了~
前提是确定负载哦]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237230.html]]></link>
 <author><![CDATA[祥林嫂]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 30 Mar 2012 00:34:44 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237195.html]]></link>
 <author><![CDATA[ccyang0124]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 29 Mar 2012 22:36:32 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[选线要看实际使用情况来选的，75KW是电动机类还是电阻类的负载，而且还要看所带负载是轻还是重、是长时间还是短时间运行。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237127.html]]></link>
 <author><![CDATA[lirt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 29 Mar 2012 14:35:13 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[60-70个大差不多。P=UI
先求出电流。75000/220=340A
接着除铜线的系数为6再除6-------340除6=56个大]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237117.html]]></link>
 <author><![CDATA[shanbendiao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 29 Mar 2012 14:27:26 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[一千瓦2A?楼上的大哥怎么算的啊？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237111.html]]></link>
 <author><![CDATA[huolang_518]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 29 Mar 2012 14:22:35 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[70怎么算来的？经验计算法有吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237109.html]]></link>
 <author><![CDATA[liudehai]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 29 Mar 2012 14:21:03 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[1KW大溉是2A&nbsp;&nbsp;75KW就是150A，70平方吧！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-144943#1237098.html]]></link>
 <author><![CDATA[奋斗人生]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 29 Mar 2012 14:16:13 +0000]]></pubdate>
</item>
</channel></rss>