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 <title><![CDATA[互感器 电流表与电压表]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470.html]]></link>
 <description><![CDATA[Latest 50 replies of 互感器 电流表与电压表]]></description>
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 <description><![CDATA[因为你的电流表是串在主线上的]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#668449.html]]></link>
 <author><![CDATA[jcwang721218]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 12 Nov 2009 13:00:21 +0000]]></pubdate>
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 <description><![CDATA[额定功率下电流表为37A]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#668447.html]]></link>
 <author><![CDATA[jcwang721218]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 12 Nov 2009 12:59:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[正常运行时电流为37A，启动时看负荷的大小为额定电流的2-3倍。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#665624.html]]></link>
 <author><![CDATA[勤学好问]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Nov 2009 14:13:16 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[正常不超过1安]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#665506.html]]></link>
 <author><![CDATA[383646403]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Nov 2009 12:12:08 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[老本都吃光了。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#665499.html]]></link>
 <author><![CDATA[taipi-k]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Nov 2009 12:07:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[两个对的,答错的及卜肯定的可要好好再看看&lt;电工基础&gt;了.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#665399.html]]></link>
 <author><![CDATA[bogegongkong]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Nov 2009 09:31:53 +0000]]></pubdate>
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 <description><![CDATA[要选择电流表也是200/5的,这样计量精确一点，电流要和电流互感器量程一样]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#665020.html]]></link>
 <author><![CDATA[顺裕木业]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 08 Nov 2009 00:40:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[七楼所说，对哦。有资料就应该共享，共同学习，共同进步！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#664923.html]]></link>
 <author><![CDATA[lzm]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 07 Nov 2009 15:37:48 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[2楼是正解，选 200/5的电流表就可以了，显示值就是实际值]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#664882.html]]></link>
 <author><![CDATA[青争]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 07 Nov 2009 14:37:10 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[互感器配合电流表的比例围太大(40:1)，如果是指针式电流表，电流表基本没指示值，因为按推算只有1.225A左右。 [s:28]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#664187.html]]></link>
 <author><![CDATA[ogden]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Nov 2009 15:16:03 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[正常运行时电流表指示约为18.5A,]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#664046.html]]></link>
 <author><![CDATA[yjq]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Nov 2009 12:54:26 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电流约为37安培！缺少参数，所以自己算！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#663812.html]]></link>
 <author><![CDATA[hhz8250]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Nov 2009 08:16:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电机正常运行的电流约等于电机的两倍，及37A。电流比(200/5A) 一次电流200A，互感器感应电流即5A.。200/5=37/i&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 互感器感应电流约等于1&nbsp;&nbsp; 。电流表上应该还有个比值，自己算了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#663772.html]]></link>
 <author><![CDATA[xiaobai]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Nov 2009 07:24:47 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[运行时为0.9-1A左右，起动时为4-5A左右。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#663752.html]]></link>
 <author><![CDATA[黄猛]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Nov 2009 07:05:16 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[P=UI1.732COSX]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#663738.html]]></link>
 <author><![CDATA[夏欢]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Nov 2009 06:46:13 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[P=1.732U线IXIAN]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#663735.html]]></link>
 <author><![CDATA[夏欢]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Nov 2009 06:45:28 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[18.5A]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#663732.html]]></link>
 <author><![CDATA[yyy313]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Nov 2009 06:42:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[要选择电流表也是200/5的倍率就可以了.100A的电流表用在18.5KW的马达上估计有点小,开机的时候表针会超出表的量程,长时间下去会影响表的精度.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#663728.html]]></link>
 <author><![CDATA[neilnie]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Nov 2009 06:41:18 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[18500/380=49]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-49470#663727.html]]></link>
 <author><![CDATA[夏欢]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 06 Nov 2009 06:39:48 +0000]]></pubdate>
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