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 <title><![CDATA[求助星三角启动时间问题]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409.html]]></link>
 <description><![CDATA[Latest 50 replies of 求助星三角启动时间问题]]></description>
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 <lastBuildDate><![CDATA[Fri, 17 Apr 2026 06:47:08 +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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 <description><![CDATA[在网上下载（电工速算口决）就有，较详细！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#449361.html]]></link>
 <author><![CDATA[陈及灿]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Mar 2009 00:32:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#441168.html]]></link>
 <author><![CDATA[yun342703002]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 24 Feb 2009 01:11:14 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[同3楼说法]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#440231.html]]></link>
 <author><![CDATA[ggvv0010]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 23 Feb 2009 02:23:05 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一般来说，35KW-70KW在5S-10S之间。70KW-110KW在10S-15S之间，总之电机功率越大，星转三角时间就越大，还要考虑你的电机所带的负荷大小]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#440185.html]]></link>
 <author><![CDATA[lisongbo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 23 Feb 2009 01:39:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[个人观点:先看是啥负载,风机类的7.5KW设7秒,而后每千瓦加1秒,力矩类的在原来风机类的基础上乘上1.5倍.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#440175.html]]></link>
 <author><![CDATA[xionghx]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 23 Feb 2009 01:22:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看着电流表平稳了以后 算时间]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#440070.html]]></link>
 <author><![CDATA[xiaoyixiao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 22 Feb 2009 15:06:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习啦，谢谢]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#438628.html]]></link>
 <author><![CDATA[zhangshichao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 21 Feb 2009 05:19:05 +0000]]></pubdate>
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 <description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;各有各的方法，各有各的说法，都很好。但要控制好马达的星三角转换起动，还得根据现场马达的负载和各方面的数据来决定。
&nbsp;&nbsp;&nbsp;&nbsp;一般来讲，马达在星形起动运行后，它的转速达到其额定转速的70％~80％时就应该转换成三角形运转，不然长时间的星形运转， ..]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#353279.html]]></link>
 <author><![CDATA[许剑锋]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Nov 2008 05:11:51 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[3 到5秒就行]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#345846.html]]></link>
 <author><![CDATA[csc51]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 01 Nov 2008 13:09:39 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[学习了！！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#345734.html]]></link>
 <author><![CDATA[周影]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 01 Nov 2008 11:25:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[启动负荷大小有很大关系。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#345537.html]]></link>
 <author><![CDATA[星星雨]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 01 Nov 2008 07:59:31 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[时间太短不行老把接触器烧坏。在3楼的基础上可再加时比较稳。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#345525.html]]></link>
 <author><![CDATA[天玉月]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 01 Nov 2008 07:48:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[最后根据负载调整时,观察电流表,选取合适值]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#341523.html]]></link>
 <author><![CDATA[zsping998]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 28 Oct 2008 08:45:44 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[现在才发现自己是井底之蛙]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#340603.html]]></link>
 <author><![CDATA[songlin7777]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 27 Oct 2008 10:12:37 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[&nbsp;&nbsp;学习学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#340576.html]]></link>
 <author><![CDATA[谭新]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 27 Oct 2008 09:32:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[是T=4+2√P吧，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#339844.html]]></link>
 <author><![CDATA[zgf889]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 26 Oct 2008 14:22:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[应该与电机负载轻重有关，不应套用公式。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#304203.html]]></link>
 <author><![CDATA[ljl5130]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 07 Sep 2008 09:53:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[支持３楼]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#191845.html]]></link>
 <author><![CDATA[hzy]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 17 Mar 2008 14:06:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[一般设5S吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#191841.html]]></link>
 <author><![CDATA[a113118a]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 17 Mar 2008 13:57:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看来自己基础还没打好!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#191729.html]]></link>
 <author><![CDATA[970221]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 17 Mar 2008 09:13:52 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[理论指导实践，靠实践检验！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#189428.html]]></link>
 <author><![CDATA[白华]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Mar 2008 03:23:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[严重赞成22楼的观点]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#189427.html]]></link>
 <author><![CDATA[白华]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 12 Mar 2008 03:21:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第22楼名无独孤于2008-01-14 23:33发表的&nbsp; :
我认为星形启动后，电流从大变小，再相对稳定后的时间比较好，因为电机功率和负载的情况不同，启动时间相差很大。[/quote]

在理论的基础上，主要还是根据现场的负荷配置来定]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#170745.html]]></link>
 <author><![CDATA[wsir123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 15 Jan 2008 02:59:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不过我接触的设备大多在5-7秒左右]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#170743.html]]></link>
 <author><![CDATA[ljsheng518]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 15 Jan 2008 02:58:27 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习学习学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#170563.html]]></link>
 <author><![CDATA[25188400]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Jan 2008 15:41:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我认为星形启动后，电流从大变小，再相对稳定后的时间比较好，因为电机功率和负载的情况不同，启动时间相差很大。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#170553.html]]></link>
 <author><![CDATA[名无独孤]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 14 Jan 2008 15:33:34 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[7到15秒吧。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#158600.html]]></link>
 <author><![CDATA[xiong2006]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 20 Dec 2007 10:20:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[设定“T=4+√2*P”的缘由是什么？请指教一下！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#158171.html]]></link>
 <author><![CDATA[fsgfxjt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 19 Dec 2007 14:24:33 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要看你是用在什么设备上了，一班的话你从起动的时候到电流下落后的时间就可以了嘛，但要是我们夹江的陶瓷厂用的球磨机的话时间可能只要１秒和１．５秒就行了，因为这个要靠惯性，时间多了就起不动．]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#157898.html]]></link>
 <author><![CDATA[dejewg]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 19 Dec 2007 07:22:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[经验上一般设3s]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-7409#157746.html]]></link>
 <author><![CDATA[libo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 18 Dec 2007 16:21:20 +0000]]></pubdate>
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