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 <title><![CDATA[电机启动]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911.html]]></link>
 <description><![CDATA[Latest 50 replies of 电机启动]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Sat, 11 Apr 2026 10:57:30 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
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 <description><![CDATA[只用过200KW的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#945858.html]]></link>
 <author><![CDATA[lixuewei1974]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 30 Dec 2010 13:17:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我们厂有一台750KW的中频炉，和电机控制应该很相近，是用3只接触器分别控制三相电源，把每个接触器的三个点并联使用就OK了，电流确实有点大，用两根300平方加一根120的铝心线搞定的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#945672.html]]></link>
 <author><![CDATA[笑我清风]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 30 Dec 2010 10:13:12 +0000]]></pubdate>
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 <description><![CDATA[没见过这么大的电机，估计也没那么大的接触器吧 建议用变频!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#945055.html]]></link>
 <author><![CDATA[顺达五金电器]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 29 Dec 2010 14:27:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[难以想象]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#944260.html]]></link>
 <author><![CDATA[jamesyue]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Dec 2010 15:19:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这么大的电机，这么低的工作电压，从没有见过，佩服。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#944154.html]]></link>
 <author><![CDATA[scxclzyzb]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Dec 2010 14:08:03 +0000]]></pubdate>
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 <description><![CDATA[就算真的有那么大的接触器，会不会因为接通、断开的时候电弧的原因面经常坏啊？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#944135.html]]></link>
 <author><![CDATA[阮子]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Dec 2010 14:00:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[估计控制箱都比屋高 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#944111.html]]></link>
 <author><![CDATA[waitfor]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Dec 2010 13:47:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[对！ [s:28] 用变频器！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#944095.html]]></link>
 <author><![CDATA[工控组态]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Dec 2010 13:39:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[还没见过这么大的,最好还是问厂商]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#944030.html]]></link>
 <author><![CDATA[zzf125]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Dec 2010 12:59:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[菜鸟，学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#944009.html]]></link>
 <author><![CDATA[ysheng9099]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Dec 2010 12:45:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没见过，学习了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#943964.html]]></link>
 <author><![CDATA[chengjianbo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Dec 2010 12:05:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用变频器吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#943912.html]]></link>
 <author><![CDATA[晨钟暮鼓]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Dec 2010 11:30:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:17] 没见过这么大的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#920556.html]]></link>
 <author><![CDATA[ram885]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Dec 2010 23:27:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[真的很大啊，想都不敢想，多大的电机啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#920521.html]]></link>
 <author><![CDATA[xf_chen]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Dec 2010 16:38:15 +0000]]></pubdate>
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 <description><![CDATA[[s:17]&nbsp;&nbsp;[s:17] 吓人！这么大的电流。用接触器真是不好办。兄弟用变频器吧！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#920472.html]]></link>
 <author><![CDATA[暗夜君主]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Dec 2010 15:01:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这麽大的接触器真没用过，不过如果非得用接触器的情况下，可以每一相电源单独用一个接触器。用800A左右的接触器也就可以了。如CJ--20等系列接触器。这样用比软启动、变频器的费用少了不少，但安全性能差很多！慎用！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#920307.html]]></link>
 <author><![CDATA[无忧山水]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Dec 2010 12:45:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用油开关,不过要用其它的动力起动后再投入,或用液阻开关柜]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#919973.html]]></link>
 <author><![CDATA[jxh668]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Dec 2010 06:08:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[520kW用过星三角启动，这么大没用过]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#919959.html]]></link>
 <author><![CDATA[qdlsc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Dec 2010 05:47:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我见过2500KW变频器。国产的好像还20多万呢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#919946.html]]></link>
 <author><![CDATA[ldshuang3]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Dec 2010 05:27:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没见过这样的接触器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#919934.html]]></link>
 <author><![CDATA[xiheed]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 03 Dec 2010 05:03:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没人见过]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#919511.html]]></link>
 <author><![CDATA[lanxf]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Dec 2010 13:36:52 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[建议你用软启动器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#919440.html]]></link>
 <author><![CDATA[海洋电气]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Dec 2010 12:56:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢各位的建议！~我在问客户那边以前是什么方式启动的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#919105.html]]></link>
 <author><![CDATA[]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Dec 2010 08:21:07 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[以前接触在1000KW以上的都是高压电机（6KV），低压（440V）用接触器（自藕降压启动）控制1000KW以上确实比较少见。
找相应接触器可以问问低压电气生产厂家是否有配件提供。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#918873.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Dec 2010 04:02:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没见过2000A的接触器倒是有2000A的智能开关]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#918871.html]]></link>
 <author><![CDATA[niningtt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Dec 2010 03:57:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[还真没见过2000A以上的接触器，不过用空开可以的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#918851.html]]></link>
 <author><![CDATA[liuxianhua]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 02 Dec 2010 03:41:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用可控硅启动]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#918594.html]]></link>
 <author><![CDATA[hy3835125]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Dec 2010 14:21:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用变频器好些，用接触器体积很大]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#918569.html]]></link>
 <author><![CDATA[penzhenjian]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Dec 2010 14:07:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没见过]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#918547.html]]></link>
 <author><![CDATA[程序员]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Dec 2010 13:50:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谁见过1.3MW的电机还用接触器啊?要是有这个大的接触器的话,估计比人都大,
通常750KW以上的都是高压电机,6KV或是10KV的,一般都是用高压变频器控制的,
我见过原来纸厂的切片机,750KW的,没有用变频器控制,由于电压高,所以电流不是很大,
所以直接用油开关直接启动,]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-88911#918283.html]]></link>
 <author><![CDATA[chenpingyg]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 01 Dec 2010 09:56:07 +0000]]></pubdate>
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