<?xml version="1.0" encoding="gbk"?>
<rss version="2.0">
<channel>
 <title><![CDATA[无意中发现的]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-67123.html]]></link>
 <description><![CDATA[Latest 50 replies of 无意中发现的]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
 <generator><![CDATA[www.ymmfa.com]]></generator>
 <lastBuildDate><![CDATA[Fri, 15 May 2026 07:15:58 +0000]]></lastBuildDate>
  <image>
 <url><![CDATA[images/rss.gif]]></url>
 <title><![CDATA[工控人家园]]></title>
 <link><![CDATA[http://www.ymmfa.com]]></link>
 <description><![CDATA[工控人家园]]></description>
  </image>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[这很难正常]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-67123#850528.html]]></link>
 <author><![CDATA[ml386zd]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 19 Aug 2010 14:30:17 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[所有变频器输出的电压都跟工频电压不一样的，这个是正常的，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-67123#850523.html]]></link>
 <author><![CDATA[我爱问问]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 19 Aug 2010 14:26:18 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[变频器输出的是矩形波，用万用表量的量出来的数据不是那么回事，可能要很多分析计算才能得出来 [s:29]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-67123#850478.html]]></link>
 <author><![CDATA[小徒弟]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Thu, 19 Aug 2010 13:22:08 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[变频你测的准吧]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-67123#807158.html]]></link>
 <author><![CDATA[wrxtt]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 13 Jun 2010 16:21:25 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[变频器输出的不是很规则的正弦波，万用表测出的有效值是正弦波的。所以有误差的。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-67123#806716.html]]></link>
 <author><![CDATA[hbxfluo]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 13 Jun 2010 04:27:41 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[VVVF变压变频]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-67123#806560.html]]></link>
 <author><![CDATA[pretco123]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 13 Jun 2010 00:44:22 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-67123#806558.html]]></link>
 <author><![CDATA[风靡]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 13 Jun 2010 00:41:40 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[正常，逆变应起的。电机是感性负载，换相时会产生一个更高的反向电压回馈到直流母线。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-67123#806542.html]]></link>
 <author><![CDATA[chenpingyg]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sun, 13 Jun 2010 00:23:52 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[变频器变速恒功率和恒转矩,变频器输出F/V特性也就是负载力矩输出方式,为了小负荷应用时对变频器输出功率件的保护.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-67123#806524.html]]></link>
 <author><![CDATA[ydp]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 12 Jun 2010 23:24:02 +0000]]></pubdate>
</item>
<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[请问你这电压是用万用表测出来的吗？变频时因为不是正弦交流电，所以用万用笔测量有很大的误差。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-67123#806522.html]]></link>
 <author><![CDATA[hxl202319]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 12 Jun 2010 23:21:42 +0000]]></pubdate>
</item>
</channel></rss>