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class="plc2"> 當(dāng)前位置??a href="/">首頁</a> » <a href="/news/">資訊中心</a> » <a href="/News/News-0001,0002,0006.shtml"> 晨飛資訊</a> » <a href="">設(shè)計開關(guān)電源變壓器時如何選擇磁芯</a></div> <div id="6aplaizydtj" class="list4nr"> <div id="6aplaizydtj" class="n_info_con" id="printableview"> <h3> 設(shè)計開關(guān)電源變壓器時如何選擇磁芯</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(zé)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??016-09-20 14:07:00</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><span style="font-size: 14px;">在設(shè)??a href="http://linhang.com.cn/"><strong>開關(guān)電源變壓器</strong></a>時，正確選擇開關(guān)電源變壓器磁芯是非常重要過程。只有開關(guān)電源變壓器磁芯選擇好了，開關(guān)變壓器才能達到佳效果。那么要怎樣正確選擇磁芯呢？其實各個不同形狀的磁心都有其最佳的應(yīng)用場合.也就是選擇使用的時??揚其??避其??做到較優(yōu)的設(shè)計，選擇磁心材料??先確定其磁心材料的基本參??也就是根據(jù)你的具體使用環(huán)境進行選擇.如是PC40還是PC50等，輸出功率的大小主要是看其磁心材料的橫截面積的大小，繞組匝數(shù)及繞組多少等主要看磁心材料的窗口面積的大小??br /> <br /> 選擇磁芯的任務(wù)就是確定變壓器選用磁芯的材料牌號及型號規(guī)格。常見的開關(guān)變壓器使用的磁性材料為軟磁鐵氧體，其成分為MnZn??nbsp; <br /> <br /> 由于配方及生產(chǎn)工藝的不同，各公司制成了特性參數(shù)不同多種牌號的磁性材料，并提供各牌號磁性材料的特性參數(shù)，如使用頻率范圍、初始導(dǎo)磁率、比損耗因數(shù)、比溫度系數(shù)、飽和磁通密度、居里溫度、電阻率、密度以及某些參數(shù)隨頻率、溫度變化的曲線??br /> <br /> 磁芯按形狀又分EI、EE、EC、U、UF 等多種型號??nbsp;每種型號又有多種規(guī)格，各生產(chǎn)公司亦提供各種型號規(guī)格磁芯的幾何尺寸??<br /> <br /> <br /> 材料牌號的選擇，主要依據(jù)開關(guān)變壓器的最高工作頻率??nbsp;例如R2KD適用??0 kHz以下，R2KBD 適用??0 kHz 以下，R2KB1 適用??00 kHz 以下??br /> <br /> 鐵基非晶鐵芯：在幾乎所有的非晶合金鐵芯中具有最高的飽和磁感應(yīng)強度（1.45??.56T），同時具有高導(dǎo)磁率，低矯頑力，低損耗，低激磁電流和良好的溫度穩(wěn)定性和時效穩(wěn)定性。主要用于替代硅鋼片，作為各種形式，不同功率的工頻配電變壓器，中頻變壓器，工作頻率從50Hz??0KHz；作為大功率開關(guān)電源電抗器鐵芯，使用頻率可??0KHz??br /> <br /> 鐵鎳基非晶鐵芯：中等偏低的飽和磁感應(yīng)強度(0.75T)，高導(dǎo)磁率，低矯頑力，耐磨耐蝕，穩(wěn)定性好。常用于取代坡莫合金鐵芯作為漏電開關(guān)中的零序電流互感器鐵芯??<br /> <br /> 鈷基非晶鐵芯：在所有的非晶合金鐵芯中具有最高的磁導(dǎo)率，同時具有中等偏低的飽和磁感應(yīng)強度??.65T），低矯頑力，低損耗，優(yōu)異的耐磨性和耐蝕性，良好的溫度穩(wěn)定性和時效穩(wěn)定性，耐沖擊振動??br /> <br /> 以上就是為大家總結(jié)關(guān)于設(shè)計開關(guān)電源變壓器時如何選擇磁芯的介紹，希望可以幫到大家。如果想了解更多的高頻變壓器的內(nèi)容，可以點擊<a href="http://linhang.com.cn/news/">高頻變壓器資??/a>??</span></p> </div> <div 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