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</script> <script type="text/javascript"> var OBJ_TITLE = "高频变压器测试方法有哪些"; var OBJ_ID = "450"; var MARK = "news"; var ARR_AD_MARK = ["news_detail_1", "news_detail_2", "news_detail_3"]; var SID = "0001,0002,0006"; //权限ID var AUTHORITY_ID = ""; </script> <script src="/JS/Cls_jsPage.js"></script> <!--content:start--> <div class="content"> <div class="plc2"> 当前位置?a href="/">首页</a> » <a href="/news/">资讯中心</a> » <a href="/News/News-0001,0002,0006.shtml"> 晨飞资讯</a> » <a href="">高频变压器测试方法有哪些</a></div> <div class="list4nr"> <div class="n_info_con" id="printableview"> <h3> 高频变压器测试方法有哪些</h3> <div class="info_con_tit"> <div class="info_con_tit"> <div class="n_tit"> <span>文章出处?a href=""><a href="http://cfdz.nsw888.com">深圳市晨飞电子有限公?/a></a></span><span>网责任编辑:<a href="http://cfdz.nsw888.com">NSW</a></span><span>作者:<a href="http://cfdz.nsw888.com">NSW</a></span><span>人气?span id="cntrHits">-</span></span><span>发表时间?015-07-06 14:54:00</span> <div class="newchang"> <!-- JiaThis Button BEGIN --> <div id="ckepop"> <a href="http://www.jiathis.com/share/?uid=899792" class="jiathis jiathis_txt jtico jtico_jiathis" target="_blank">分享到:</a> <a class="jiathis_button_qzone">QQ空间</a> <a class="jiathis_button_tsina"> 新浪微博</a> <a class="jiathis_button_tqq">腾讯微博</a> <a class="jiathis_button_tsohu">搜狐微博</a> <a class="jiathis_button_t163">网易微博</a> <a class="jiathis_button_tools_1"></a><a class="jiathis_button_tools_2"></a> </div> <script type="text/javascript"> var jiathis_config = { "data_track_clickback": true };</script> <script type="text/javascript" src="http://v2.jiathis.com/code/jia.js?uid=899792" charset="utf-8"></script> <!-- JiaThis Button END --> </div> </div> </div> </div> <div id="cntrBody"> <p>  一般而言?a href="http://www.chenfeipower.com/product/product-0001,0015.shtml">高频变压?/a>所要求测试的项目有?、电?2、漏?3、耐压4绝缘电阻电感以及电感的测试方法概念:变压器初级电感指次级开路时初级绕组的有效电感测试条件:变压器的测试条件与其工作条件相一致。由于变压器铁心磁化曲线的非线性,当频率、交流电压、直流磁化电流变?时、铁心的有效磁导率也随着变化,从而引起电感器的变化。测试电感必须规定的测试条件?br />    1、测试频率;<br />    2、变压器或电感器两端交流电压?br />    3、直流磁化电流。漏感及漏感的测试方法概念:漏感指的是线圈间相互不交链的漏磁通所产生的电感,它与线圈尺寸、绕组排列及匝数等因素有关系、漏感是一个线性电感。与测试电压无关?/p> <p><img width="424" height="340" src="/UploadFiles/FCK/1 (456).jpg" alt="" /><br />   漏感的分类:</p> <p>   1、初级漏感。指次级所有绕组短路时,在初级测得的电感?br />    2、次级漏感。指主治大夫器初级绕组短路时在次级测的电感?br />    3、初级对次级一绕组的漏感。对于有几个绕组的变压器(如多阻抗输出变压器),将初级一半短路时,在初级测的电感。安全性试验绝缘电阻。变压器各绕组及绕组与铁芯。静电屏蔽之间的绝缘电阻在常态下均大?000Ω,在高温试验和恒定温热试验后不低?0Ω(IEC-65 规定?000V有效值)次级 绕组与铁芯、静电屏蔽层之间能承?0Hz?000V(有效值)电压的作用而无击穿和飞弧。限定电??mA(该值视变压器功率而言,最大不超过10mA。输出端配线技术高频变压器将能量供给负载系统的过程 中,当引线长且配线不合理时,线间所产生的寄生电容就会增加到不可忽视的程度,共模杂声就会通过这个寄生电容黑手和导入到负载系统,使负载系统能正常工作,试验证明,采用交纽线比并行线传输效果要好,即将输出端的两根线直接交纽在一起,再经过滤波电容传输给负载,这就能得到很好的滤波效果。这种方法是最经济、效果又好、是实际应用中用得最多的一种。屏蔽及屏蔽技术目的:消除绕组间通过创面电容产生的电耦合,防止外部高频信号对变压器工作信号和负载的干扰?/p> <p>   想要了解更多关于高频变压器测试的方法,你也可以登录到<a href="http://www.chenfeipower.com">深圳晨飞电子</a>的官网进行查询,网址(http://www.chenfeipower.com),在这里小编为你推荐一?a href="http://www.chenfeipower.com/Article/gaopinbianyaqineibug_1.html">高频变压器内部故?/a>是什么原因(http://www.chenfeipower.com/Article/gaopinbianyaqineibug_1.html?/p> <p> </p> </div> <div class="apage" id="showfenye"> <!--资讯分页:start--> <script type="text/javascript"> var pagecont=1; 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