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<a href="">為什么高頻變壓器用高頻鐵氧體磁芯，低頻變壓器用高導磁率的硅鋼??/a></div> <div id="6aplaizydtj" class="list4nr"> <div id="6aplaizydtj" class="n_info_con" id="printableview"> <h3> 為什么高頻變壓器用高頻鐵氧體磁芯，低頻變壓器用高導磁率的硅鋼??/h3> <div id="6aplaizydtj" class="info_con_tit"> <div id="6aplaizydtj" class="info_con_tit"> <div id="6aplaizydtj" class="n_tit"> <span>文章出處??a href=""><a >深圳市晨飛電子有限公??/a></a></span><span>網(wǎng)責任編輯：<a >NSW</a></span><span>作者：<a >NSW</a></span><span>人氣??span id="cntrHits">-</span></span><span>發(fā)表時間??016-11-03 15:31:00</span> <div id="6aplaizydtj" class="newchang">  <div class="6aplaizydtj" id="ckepop"> <a class="jiathis jiathis_txt jtico jtico_jiathis" target="_blank">分享到：</a> <a class="jiathis_button_qzone">QQ空間</a> <a class="jiathis_button_tsina"> 新浪微博</a> <a class="jiathis_button_tqq">騰訊微博</a> <a class="jiathis_button_tsohu">搜狐微博</a> <a class="jiathis_button_t163">網(wǎng)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>  </div> </div> </div> </div> <div class="6aplaizydtj" id="cntrBody"> <p>在低頻下（一般指小于10kHz??硅鋼片的磁導率高,且損耗值相對較低（因為在低頻下磁芯損耗主要是磁滯損??渦流損耗很小的??Bs值高（適合低頻大功率變壓器??因此特別適合低頻變壓??<br /> <br /> <br /> 鐵氧體則較?。ㄖ饕怯捎诖判驹诟哳l下的損耗主要以渦流損耗為主，所以在高頻下采用鐵氧體磁芯，目前非晶帶材的出現(xiàn)，有取代硅鋼片的趨勢，渦流損耗又主要與電阻率有關），但還尚待時日在低頻下（一般指小于10kHz），硅鋼片的磁導率高，因此特別適合低頻變壓??br /> <br /> <br /> 用什么鐵心與成本也有很大的關系，低頻變壓器若用鐵氧體做鐵心，最好的鐵氧體磁通密度只能取4000高斯左右，而硅鋼片可取16000高斯以上，也就是說，用硅鋼繞100圈，用鐵氧體同樣的鐵心截面積圈數(shù)要繞400圈，即使鐵氧體不要錢，多繞的300圈銅線的價格遠超過硅鋼變壓器的價格，何況，圈數(shù)多了要保持電阻值不變，線徑要加粗，圈數(shù)多了，線加粗了，窗口面積也要增加，變壓器體積變的很大??br /> <br /> <br /> 以上就是為大家介紹的有關為什??a href="http://m.linhang.com.cn/"><strong>高頻變壓??/strong></a>用高頻鐵氧體磁芯，低頻變壓器用高導磁率的硅鋼片的介紹，希望可以幫到大家??/p> </div> <div id="6aplaizydtj" class="apage" id="showfenye">  <script type="text/javascript"> var pagecont=1; if(pagecont > 2) { var ss = new Cls_jsPage(1, 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