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 <title><![CDATA[250kw空压机变频改造 最低频率应定为多少]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329.html]]></link>
 <description><![CDATA[Latest 50 replies of 250kw空压机变频改造 最低频率应定为多少]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[大于百分之10，低于百分之10，不能长时间运行！！ [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#605750.html]]></link>
 <author><![CDATA[szz987]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 20 Aug 2009 13:35:02 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[夏季30Hz以上&nbsp;&nbsp;其它时间20Hz以上&nbsp;&nbsp;（当然还须考虑空压机房的室温）]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#605654.html]]></link>
 <author><![CDATA[ebepower]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 20 Aug 2009 11:59:03 +0000]]></pubdate>
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 <description><![CDATA[以前我搞过40立方(英格索兰)风冷空压机的变频改造.最低设置35HZ.至于为什么要设置这个低频点,是为了考虑冷却问题,还有如果频率设置比较低.我想有关节能问题待重新考虑了,因为频率和制气量不是成线性关系.这个课题无非是减少待机时的功率.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#598338.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 11 Aug 2009 12:23:44 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看工作的需要]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#598301.html]]></link>
 <author><![CDATA[黄荫强]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 11 Aug 2009 11:50:52 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[25&nbsp;&nbsp;HZ]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#598281.html]]></link>
 <author><![CDATA[zg321123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 11 Aug 2009 11:40:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[135kw的搞过一台，它是根据空气压力定频率的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#596918.html]]></link>
 <author><![CDATA[ydp]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 09 Aug 2009 16:43:56 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[实践才是硬道理]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#596906.html]]></link>
 <author><![CDATA[linzb]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 09 Aug 2009 15:48:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用模拟量做控制！控制压力差不多要加载时提前一点起动变频器！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#594128.html]]></link>
 <author><![CDATA[黄光鹏]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 06 Aug 2009 10:32:49 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可用20HZ至50HZ之间也可以够压力停下来！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#594125.html]]></link>
 <author><![CDATA[黄光鹏]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 06 Aug 2009 10:27:25 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[看电机的冷却情况了，低频冷却不好，你可以从30HZ一点一点往下调的试。这个看现场的情况而定。以电机冷却不受影响为前提。而且你不要设变频器睡眠，这样唤醒后电机可能会出现带载无法启动。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#593688.html]]></link>
 <author><![CDATA[duantao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 06 Aug 2009 01:39:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要看情况，过低的频率会发热严重，我最低用到8HZ]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#591572.html]]></link>
 <author><![CDATA[高锋]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 03 Aug 2009 10:02:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[20Hz以上]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#591538.html]]></link>
 <author><![CDATA[ebepower]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 03 Aug 2009 09:16:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[实践出真知，试试瞧就知道了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#590942.html]]></link>
 <author><![CDATA[冯10242757]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 02 Aug 2009 11:37:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你是想当压力到达时变频器低频率运行，要那看你工作条件，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#590880.html]]></link>
 <author><![CDATA[天涯孤客]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 02 Aug 2009 09:26:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这个要看工作条件来定吧！不懂帮顶！ [s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-42329#590720.html]]></link>
 <author><![CDATA[yusanlong045]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 02 Aug 2009 05:55:02 +0000]]></pubdate>
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