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 <title><![CDATA[求电气高手给个合理的解释]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922.html]]></link>
 <description><![CDATA[Latest 50 replies of 求电气高手给个合理的解释]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Fri, 03 Apr 2026 19:16:33 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[如果没有单P断路器,三相代用这样接线合理.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1209048.html]]></link>
 <author><![CDATA[名扬天下]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 14 Feb 2012 01:37:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21] 学习下~]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1209033.html]]></link>
 <author><![CDATA[祥林嫂]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 14 Feb 2012 00:36:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[触点容量是原来的3倍]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1209017.html]]></link>
 <author><![CDATA[niujunpeng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 22:31:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该是安全起见]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1209002.html]]></link>
 <author><![CDATA[阿谭]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 16:54:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[利用3P开关的3个触点进行保护，更安全一些。太谨慎了，不服不行！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208960.html]]></link>
 <author><![CDATA[无忧山水]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 14:48:20 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这样做是因为没有带热保护的单相断路器，同时在系统报警中需要辅助触点信号，所以只有这样，可见人家系统的安全意识高！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208896.html]]></link>
 <author><![CDATA[szzhang001]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 13:10:44 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[主要是提高安全等级]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208894.html]]></link>
 <author><![CDATA[sylgq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 13:07:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[安全，不浪费。。。。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208737.html]]></link>
 <author><![CDATA[坚士人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 08:04:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[意大利的机器好多也是这么接的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208722.html]]></link>
 <author><![CDATA[luzhenchao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 07:39:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[3相的断路器使用单向电源是要这样使用的，要不不会自动切断的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208649.html]]></link>
 <author><![CDATA[庞树恒]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 05:52:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[至少美观一点，不然直接下来多单调丑陋]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208642.html]]></link>
 <author><![CDATA[lichenhui333]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 05:33:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[11楼不愧为高手，刚看了一下西门子手册，果然是这么写的，谢谢谢谢！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208641.html]]></link>
 <author><![CDATA[xcamel]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 05:33:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[安全起见，学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208638.html]]></link>
 <author><![CDATA[kf123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 05:23:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该是安全起见， 要求比较高的电路用！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208634.html]]></link>
 <author><![CDATA[六度心寒]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 05:13:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这是带热继的，单项的时候就这么用，可以看样本上面有的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208625.html]]></link>
 <author><![CDATA[冰糖]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 04:50:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我也见识一下，谢谢！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208620.html]]></link>
 <author><![CDATA[jackson]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 04:45:31 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[懂了，谢谢各位]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208579.html]]></link>
 <author><![CDATA[xcamel]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 03:00:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[设计者意在增加安全性，这样使用的实际功能是如果断路器任何一个触头动作都可断开电源。德国佬真是谨慎啊！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208569.html]]></link>
 <author><![CDATA[铭杰工控]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 02:52:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[呵呵，显示专业性。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208567.html]]></link>
 <author><![CDATA[忆江南]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 02:51:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[咱们一般用单片（P）开关搞定（小型断路器）。可能是应用不同，要更高的可靠性吧。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208566.html]]></link>
 <author><![CDATA[yuaiwu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 02:51:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[保护跳闸时，分为三点切断故障电流。对保护触点有一定的作用。但总的来说意义应该不大。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208550.html]]></link>
 <author><![CDATA[yyy313]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 02:41:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电气图 电气图]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208534.html]]></link>
 <author><![CDATA[xcamel]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 02:29:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[负载是单相整流器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208533.html]]></link>
 <author><![CDATA[xcamel]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 02:27:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21] 这种接法我只是见效验断路器时用过！别的还真没见过，不过我想知道它下面负载是怎么的一定的关！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208519.html]]></link>
 <author><![CDATA[dreamflylau]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 02:12:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[安全继电器吧，安全考虑]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-136922#1208510.html]]></link>
 <author><![CDATA[chenenpeng]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 13 Feb 2012 01:59:22 +0000]]></pubdate>
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