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 <title><![CDATA[有谁知道这样的负载？]]></title>
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 <description><![CDATA[[quote]引用第7楼chenpingyg于2009-11-29 14:53发表的&nbsp;&nbsp;:
矢量变频器就是这样的
[/quote]
 能不能给个计算公式，或者详细说明以下？学习学习]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-51125#679350.html]]></link>
 <author><![CDATA[zzydegong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 29 Nov 2009 10:17:35 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[学习了！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-51125#679228.html]]></link>
 <author><![CDATA[蝶恋花]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 29 Nov 2009 07:35:51 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[矢量变频器就是这样的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-51125#679203.html]]></link>
 <author><![CDATA[chenpingyg]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 29 Nov 2009 06:53:35 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第2楼qinchenglim于2009-11-28 21:51发表的&nbsp;&nbsp;:
恒功率调速系统就是这样的，好像在煤矿的传送带用的到
[/quote]

50HZ以上调速是恒功率调速，50HZ以下调速也能做到恒功率调速？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-51125#679024.html]]></link>
 <author><![CDATA[zzydegong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 29 Nov 2009 01:35:32 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[变频器有恒功率调速得嘛]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-51125#679020.html]]></link>
 <author><![CDATA[黄猛]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 29 Nov 2009 01:31:00 +0000]]></pubdate>
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 <description><![CDATA[学习学习 [s:39]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-51125#678925.html]]></link>
 <author><![CDATA[hanqin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Nov 2009 15:31:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用变频器控制的电梯也是恒功率调速系统]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-51125#678862.html]]></link>
 <author><![CDATA[qinchenglim]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Nov 2009 14:16:42 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[恒功率调速系统就是这样的，好像在煤矿的传送带用的到]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-51125#678842.html]]></link>
 <author><![CDATA[qinchenglim]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Nov 2009 13:51:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[不懂说的什么]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-51125#678796.html]]></link>
 <author><![CDATA[谭新]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 28 Nov 2009 13:09:11 +0000]]></pubdate>
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