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 <title><![CDATA[请教各位怎么实现变频器自动控制电机]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338.html]]></link>
 <description><![CDATA[Latest 50 replies of 请教各位怎么实现变频器自动控制电机]]></description>
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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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 <description><![CDATA[如果不知道PID是什么，那PID调整就会变得相当困难。一个成本相当低也相当好调的方案：给破碎机加个电流互感器，电流互感器输出到电流继电器（DL系列）控制中继，中继再控制变频启停。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1694033.html]]></link>
 <author><![CDATA[youzida_121]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 Aug 2015 23:32:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了~~~~~~~~~]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1693991.html]]></link>
 <author><![CDATA[secgo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 30 Aug 2015 13:57:43 +0000]]></pubdate>
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 <description><![CDATA[用电流转换器把电机电流转换成1——5V信号，再用智能调节器控制变频机即可，成本很低]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1693455.html]]></link>
 <author><![CDATA[榆树人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 28 Aug 2015 08:39:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用一个电流互感器加一个转换器，把电机电流转换成1——5V信号，再用一块智能调节器控制变频机，即可实现你的目的，并且成本很低]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1693453.html]]></link>
 <author><![CDATA[榆树人]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 28 Aug 2015 08:35:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[在主电机电路中加电流变送器，把电流的变化转换成4-20毫安电流信号控制变频器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1693266.html]]></link>
 <author><![CDATA[chunyexiyu]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 27 Aug 2015 13:36:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该是普通互感器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1691759.html]]></link>
 <author><![CDATA[wy199495]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 20 Aug 2015 15:18:36 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 推荐5楼的方法，但是过程中的干扰怎么解决？电流互感器是普通的互感器吗？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1691728.html]]></link>
 <author><![CDATA[落地的枫叶]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 20 Aug 2015 12:27:56 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[主机是破碎机，重负载]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1691724.html]]></link>
 <author><![CDATA[wy199495]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 20 Aug 2015 12:16:38 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[主机是什么负载？这个很重要。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1691711.html]]></link>
 <author><![CDATA[lvpretend]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 20 Aug 2015 11:19:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[小弟第一次问，还望各位师傅帮帮忙]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1691702.html]]></link>
 <author><![CDATA[wy199495]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 20 Aug 2015 11:11:54 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个问题怎么看着那么眼熟，是不是以前问过？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1691647.html]]></link>
 <author><![CDATA[fubin739]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 20 Aug 2015 07:40:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[（转载自网络）PID控制器(比例-积分-微分控制器)是一个在工业控制应用中常见的反馈回路部件，由比例单元P、积分单元I和微分单元D组成。 [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1691638.html]]></link>
 <author><![CDATA[最远是多远]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 20 Aug 2015 07:18:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[主电机加一个互感器，输出的0-5A的电流用一个变送器转换成直流0-5V的电压，传给A/D模块，DA模块控制变频器转速。
当然还需要一段PLC程序，模拟量模块手册上有类似的程序，可以模仿。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1691507.html]]></link>
 <author><![CDATA[富阳工控]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 20 Aug 2015 00:04:43 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[让你见笑了，这类我完全不懂，请师傅解释下]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1691482.html]]></link>
 <author><![CDATA[wy199495]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 19 Aug 2015 15:02:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1691481.html]]></link>
 <author><![CDATA[gaoyadian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 19 Aug 2015 15:01:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[PID调节是什么?]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1691480.html]]></link>
 <author><![CDATA[wy199495]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 19 Aug 2015 14:56:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电流变送器加PID调节]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1527338#1691478.html]]></link>
 <author><![CDATA[gaoyadian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 19 Aug 2015 14:53:39 +0000]]></pubdate>
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