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 <title><![CDATA[有没有变压器方面的权威专家，来帮我看看 ..]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698.html]]></link>
 <description><![CDATA[Latest 50 replies of 有没有变压器方面的权威专家，来帮我看看 ..]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Fri, 17 Apr 2026 17:59:49 +0000]]></lastBuildDate>
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 <description><![CDATA[在电源进线上串一截黄铜线，利用工作的压降来达到降压]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#535529.html]]></link>
 <author><![CDATA[jyzjp]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 30 May 2009 23:26:43 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[没必要的，选个440V电机。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#520120.html]]></link>
 <author><![CDATA[nmd2001j]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 15 May 2009 14:28:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[只要不是变频空调，公率差20来V 电压直接用问题不大的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#515063.html]]></link>
 <author><![CDATA[李磊88]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 10 May 2009 11:31:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[这样比较可靠]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#508309.html]]></link>
 <author><![CDATA[业绩自动化]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 03 May 2009 11:47:24 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用20KVA变压器]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#508308.html]]></link>
 <author><![CDATA[业绩自动化]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 03 May 2009 11:45:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我想可以直接用，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#508177.html]]></link>
 <author><![CDATA[xshflove]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 03 May 2009 09:19:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你就去订一个15KVA的变压器就可]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#508173.html]]></link>
 <author><![CDATA[xyd_hsn10]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 03 May 2009 09:16:11 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[我想大家，指一个变压器的容量通常用VA]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#496097.html]]></link>
 <author><![CDATA[kingfeng1983]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 20 Apr 2009 23:56:43 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#495976.html]]></link>
 <author><![CDATA[北人股份]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 20 Apr 2009 15:07:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21] 支持楼上]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#495736.html]]></link>
 <author><![CDATA[枫林残阳]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 20 Apr 2009 12:49:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[那么大的公率差20来V 电压直接用问题不大的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#495727.html]]></link>
 <author><![CDATA[春思雨]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Mon, 20 Apr 2009 12:44:46 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[加三分之一的功率就可以了，15KW的变压器就够了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#493951.html]]></link>
 <author><![CDATA[huxupin]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 18 Apr 2009 12:28:59 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[工控人家园果然是卧虎藏龙之地!&nbsp;&nbsp;能人异士,江湖高手辈出!]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#433747.html]]></link>
 <author><![CDATA[顾惜朝]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 15 Feb 2009 11:38:29 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[根据启动电流除以额定电流应小于等于3/4+（变压器容量KVA除以4倍电机功率）直接启动经验公式在测得该设备的启动和额定电流值可反算出直接启动的变压器的容量。至于415v电压如果设备的耐压超过此值，应该没什么问题。因为工作电压允许5%的波动。如一定要要达到380v，你只要根据变比查一下公式就能结果。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#433745.html]]></link>
 <author><![CDATA[hjx]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 15 Feb 2009 11:34:42 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[quote]引用第4楼zhangshichao于2009-02-15 19:05发表的&nbsp;&nbsp;:
最好用400V电机[/quote]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#433732.html]]></link>
 <author><![CDATA[张平全]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 15 Feb 2009 11:13:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[最好用400V电机]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#433726.html]]></link>
 <author><![CDATA[zhangshichao]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 15 Feb 2009 11:05:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]&nbsp;&nbsp;[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#381663.html]]></link>
 <author><![CDATA[dwdw]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 10 Dec 2008 14:41:58 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[由于电压高不了多少，用串电感的方法降压最简单。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#381283.html]]></link>
 <author><![CDATA[工控玩家]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 10 Dec 2008 11:11:58 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[35KW-40KW可以直接起动.你就去订一个50KVA的变压器就可以]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-26698#380449.html]]></link>
 <author><![CDATA[yangyajiang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Tue, 09 Dec 2008 12:45:46 +0000]]></pubdate>
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