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 <title><![CDATA[滤波电容求助]]></title>
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 <description><![CDATA[Latest 50 replies of 滤波电容求助]]></description>
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 <description><![CDATA[根据输出功率而定]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-132691#1202309.html]]></link>
 <author><![CDATA[wananjushi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 31 Jan 2012 09:22:59 +0000]]></pubdate>
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 <description><![CDATA[根据输出功率而定。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-132691#1187370.html]]></link>
 <author><![CDATA[liuhanqi]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 22 Dec 2011 07:49:59 +0000]]></pubdate>
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 <description><![CDATA[电容的容抗计算公式Xc = 1/（ω×C）= 1/（2×π×f×C）；这样可以知道你在该电压下启动时的电流值，要限制到你规定的电流范围，就知道该串联电阻的阻值与功率。
这个线路需要在电阻上并联一个触点，一些变频器、伺服驱动器应用比较常见，电容完成充电过程后将电阻旁通掉。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-132691#1187294.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 22 Dec 2011 06:16:27 +0000]]></pubdate>
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