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 <title><![CDATA[直流无刷电机]]></title>
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 <description><![CDATA[Latest 50 replies of 直流无刷电机]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[3A就够]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1544063#1778994.html]]></link>
 <author><![CDATA[supermax]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 31 May 2016 01:29:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[就算是2倍，也有5A啊，怎么这么大]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1544063#1778983.html]]></link>
 <author><![CDATA[wu123456]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 31 May 2016 01:14:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[谢谢各位！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1544063#1778980.html]]></link>
 <author><![CDATA[wu123456]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 31 May 2016 01:07:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[老兔子 哈哈哈 [s:26]&nbsp;&nbsp;[s:39]&nbsp;&nbsp;[s:17]&nbsp;&nbsp;[s:17]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1544063#1778852.html]]></link>
 <author><![CDATA[zhoufall]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 30 May 2016 12:09:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[功率=直流电压*直流电流*效率I
所以，实际电流总比P/U大一些。
知道实际电流，选开关和熔断器，就借鉴一下老兔子的公式吧。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1544063#1778838.html]]></link>
 <author><![CDATA[xingzb2]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 30 May 2016 11:51:17 +0000]]></pubdate>
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 <description><![CDATA[为什么额定电流还要X4呢？

要知道熔断器的额定电流不等于熔断电流，而且熔断电流通常会为额定电流的1.6倍以上，而且还有一个容断时间这个参数。

通常按照电动机额定电流的1.25~2.5倍选择。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1544063#1778835.html]]></link>
 <author><![CDATA[老兔子]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 30 May 2016 11:44:22 +0000]]></pubdate>
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 <description><![CDATA[熔断器主要是起短路保护作用，过载保护一般驱动器里边有。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1544063#1778768.html]]></link>
 <author><![CDATA[shmu-g]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 30 May 2016 09:19:15 +0000]]></pubdate>
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