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href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_qmjpj/">汽摩及配件</a>?<a href="http://www.cdcfah.com/cp/second-qmjpj_qcaqfz/">汽車安全輔助</a>?<a href="http://www.cdcfah.com/cp/third-qcaqfz_qtqcaqyp/">其他汽車安全用品</a>?北京**電子線圈無錫東英電子供應(yīng)</p><div id="20s08u8" class="leftbox clearfix"><h1>北京**電子線圈無錫東英電子供應(yīng)</h1><div id="cwk8gcy" class="proBig"><div id="i0kgsyu" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/dongying/637218591383662110/1606588.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="okycyso" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/dongying/637218591383662110/1606588.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qmqui0m" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>北京**電子線圈</p><p><span>***更新：</span>2020-06-23 14:41:52</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="k8uymi8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫東英電子有限公司</a></p><p><span>聯(lián)系人：</span>朱淇華</p><p><span>郵箱: </span>wxdydz@163.com</p><p><span>電話: </span>13921179070</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0510-83785478</p><p><span>地址: </span>江蘇省無錫市錫山區(qū)錫北鎮(zhèn)新壩村</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="0e0ko8a" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qmawiuy" class="box"><p><p> 根據(jù)電動(dòng)機(jī)靠繞組結(jié)構(gòu)不同，主要分為兩大類：1、定子繞組形成磁極來區(qū)分，2定子繞組的形狀與嵌裝布線方式區(qū)分，下面逐一介紹：一、三項(xiàng)異步電機(jī)以定子繞組形成磁極來區(qū)分在這其中，根據(jù)定子繞組根據(jù)電動(dòng)機(jī)的磁極數(shù)與繞組分布形成實(shí)際磁極數(shù)的關(guān)系，可分為顯極式與庶極式兩種類型。1.顯極式繞組每組線圈形成一個(gè)磁極，線圈的磁極數(shù)等于線圈數(shù)。在顯極式繞組中，為了達(dá)到磁極N/S相互間隔的目的，各個(gè)相鄰的線圈的電流方向必須相反，所以連接方式為頭接頭尾接尾也叫反接串聯(lián)方式。2.庶極式繞組在該種繞制方式中，每組線圈必須激勵(lì)2個(gè)磁極，磁極數(shù)為線圈數(shù)目的兩倍，其原因是：因?yàn)榱戆霐?shù)磁極由線圈產(chǎn)生磁極的磁力線共同形成。在該種繞制方式中，每個(gè)線圈所激勵(lì)的磁極方向相同，北京**電子線圈，所以每個(gè)繞組種電流方向是相同的，所以連接方式為首尾相接，這種方式叫做順接串聯(lián)方式。二、三項(xiàng)異步電動(dòng)機(jī)靠定子繞組的形狀與嵌裝布線方式區(qū)分在這種方式下，又能分為集中式繞組和分布式繞組1，北京**電子線圈，北京**電子線圈.集中式繞組這種繞組一般來講非常簡(jiǎn)單，**有幾個(gè)矩形線框構(gòu)成。然后包上沙質(zhì)繃帶，然后在浸入油漆烘干定型固定在鐵芯上。一般情況直流電機(jī)采用這樣的方式2.分布式繞組一般來講才用該種繞組方式的電機(jī)定子。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京**電子線圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/dongying/637218591383662110/1606588.jpg"></div>電路中的線圈是指電感器。是指導(dǎo)線一根一根繞起來，導(dǎo)線彼此互相絕緣，而絕緣管可以是空心的，也可以包含鐵芯或磁粉芯，簡(jiǎn)稱電感。電感又可分為固定電感和可變電感，固定電感線圈簡(jiǎn)稱電感或線圈。用L表示，單位有亨利(H)、毫亨利(mH)、微亨利(uH),1H=10^3mH=10^6uH。 <p> 按電感形式分類:固定電感、可變電感。 </p> <p> 按導(dǎo)磁體性質(zhì)分類:空芯線圈、鐵氧體線圈、鐵芯線圈、銅芯線圈。 </p> <p> 按工作性質(zhì)分類:天線線圈、振蕩線圈、扼流線圈、陷波線圈、偏轉(zhuǎn)線圈。 </p> <p> 按繞線結(jié)構(gòu)分類:單層線圈、多層線圈、蜂房式線圈。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京**電子線圈" src="https://tyunfile.71360.com/WaterMark/UploadFile/dongying/637218867236201172/9538462.png"></div><p> 發(fā)生軟故障位置的漆包線特征阻抗會(huì)引起高頻入射波的反射。s參數(shù)，即散射參數(shù)，是建立在入射波、反射波關(guān)系基礎(chǔ)上的網(wǎng)絡(luò)參數(shù)，可以很好的反映高頻狀態(tài)下電路的參數(shù)與工況，電路發(fā)生細(xì)微變化都能得到很好的反映，因此可以采用s參數(shù)來反映中間繼電器的電路參數(shù)，并基于s參數(shù)分析來實(shí)現(xiàn)繼電器線圈軟故障的檢測(cè)。在給中間繼電器的線圈加入激勵(lì)信號(hào)測(cè)試線圈的s參數(shù)，與正常的中間繼電器相比，存在軟故障的中間繼電器的線圈的s參數(shù)的相頻特性曲線中相角值為零時(shí)對(duì)應(yīng)的頻率會(huì)發(fā)生改變。本實(shí)施方式通過與正常中間繼電器的s參數(shù)相角為零對(duì)應(yīng)的頻率進(jìn)行對(duì)比分析，用來判斷中間繼電器的線圈是否存在軟故障。更進(jìn)一步，與正常中間繼電器相比，軟故障越嚴(yán)重的中間繼電器，其電路參數(shù)變化越大，s參數(shù)中相角為零時(shí)的頻率變化程度越大，可以根據(jù)這個(gè)頻率的變化程度來反映中間繼電器軟故障的嚴(yán)重程度。其軟故障的嚴(yán)重程度與其目標(biāo)頻率(s參數(shù)中相角為0時(shí)的個(gè)頻率)與正常中間繼電器目標(biāo)頻率(相角值為0時(shí)對(duì)應(yīng)的頻率)的距離成正比。本實(shí)施方式的一種中間繼電器線圈軟故障檢測(cè)方法，包括：s1、建立兩組數(shù)據(jù)樣本：a組和b組，a組為中間繼電器線圈正常的散射參數(shù)，b組為中間繼電器線圈軟故障后。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/363228.html</p></div></div></div></div></div><div id="00ieako" class="page-right twoColRt"><div id="okwkguo" class="box01 margin10 clearfix"><h3><a 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