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href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="z220nzy" class="twoCol"><div id="eamj97g" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_dianyuan/">電源</a>?<a href="http://www.cdcfah.com/cp/third-dianyuan_qtdy/">其他電源</a>?黑龍江大功率電源模塊生產(chǎn)廠家真誠(chéng)推薦上海多商電子供應(yīng)</p><div id="pj8lypo" class="leftbox clearfix"><h1>黑龍江大功率電源模塊生產(chǎn)廠家真誠(chéng)推薦上海多商電子供應(yīng)</h1><div id="swoapwn" class="proBig"><div id="m78fc2j" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060755164706/6585667.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="b8ipuok" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060755164706/6585667.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="exu227x" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>黑龍江大功率電源模塊生產(chǎn)廠家,大功率電源模塊</p><p><span>***更新：</span>2021-01-24 01:16:15</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="f2krqm3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海多商電子有限公司</a></p><p><span>聯(lián)系人：</span>吳加斌</p><p><span>郵箱: </span>wu867@126.com</p><p><span>電話: </span>18121221687</p><p><span>傳真: </span>021_69585559</p><p><span>網(wǎng)址: </span>http://www.10000kw.com</p><p><span>手機(jī): </span>021-69585559</p><p><span>地址: </span>上海市嘉定區(qū)科福路358號(hào)4號(hào)樓4樓</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="ftq8ja8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="bprt9kw" class="box"><p><p style="text-indent:25px">大功率電源模塊已成為搜索熱詞，主要是因?yàn)榇蠊β孰娫茨K具有防潮、抗震、阻燃、無(wú)需散熱片、高效可靠等優(yōu)良特性，已被大多數(shù)硬件工程師所選擇。在大量使用電源模塊時(shí)，大家往往很容易忽視一些小的使用細(xì)節(jié)，從而導(dǎo)致耽誤研發(fā)周期甚至損壞模塊。大功率電源模塊性能參數(shù)中隔離耐壓是一項(xiàng)比較重要的參數(shù)，我們除了需要選擇合適耐壓值的大功率電源模塊，還需要關(guān)注電源底板的電氣間隙，以滿足之后產(chǎn)品的電氣隔離參數(shù)。標(biāo)準(zhǔn)的大功率電源模塊數(shù)據(jù)手冊(cè)，都有EMC特性一欄，并已標(biāo)注相應(yīng)的等級(jí)及參考電路，黑龍江大功率電源模塊生產(chǎn)廠家，黑龍江大功率電源模塊生產(chǎn)廠家。客戶可根據(jù)自己實(shí)際的EMS等級(jí)要求來(lái)設(shè)計(jì)相應(yīng)電路，黑龍江大功率電源模塊生產(chǎn)廠家，避免由于裸機(jī)等級(jí)滿足不了要求而重復(fù)改板，相反導(dǎo)致多加器件成本增加。大功率電源模塊為設(shè)計(jì)電源供應(yīng)器的工程師提供多種不同的選擇。黑龍江大功率電源模塊生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江大功率電源模塊生產(chǎn)廠家,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060755164706/6585667.png"></div><p style="text-indent:25px">在進(jìn)行大功率電源的并聯(lián)均流過(guò)程中，工程師可以通過(guò)改變電源的輸出特性或者輸出電壓幅值的辦法，來(lái)達(dá)成多個(gè)電源模塊的均流輸出，這也是目前均流方法的基本出發(fā)點(diǎn),我們將會(huì)為您提供一種比較易于操作的設(shè)計(jì)方案，幫助工程師輕松完成多個(gè)大功率電源模塊的并聯(lián)均流輸出。目前國(guó)內(nèi)大部分的模塊并聯(lián)輸出設(shè)計(jì)，都使用了有源法。這種方法采用均流母線方式，各模塊之間存在相互關(guān)聯(lián)，通過(guò)取樣各個(gè)模塊輸出電流進(jìn)行比較進(jìn)而調(diào)整各個(gè)模塊輸出電壓的辦法實(shí)現(xiàn)均流，具有效率高的優(yōu)點(diǎn)。黑龍江大功率電源模塊生產(chǎn)廠家電源模塊是可以直接貼裝在印刷電路板上的電源供應(yīng)器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江大功率電源模塊生產(chǎn)廠家,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060379653267/3899269.png"></div><p style="text-indent:25px">因?yàn)榇蠊β孰娫茨K產(chǎn)品有模塊電源的PCB設(shè)計(jì)規(guī)范要求，它要考慮散熱設(shè)計(jì)、EMC設(shè)計(jì)、干擾設(shè)計(jì)和生產(chǎn)工藝設(shè)計(jì)等等，涉及的內(nèi)容非常多，所以PCB設(shè)計(jì)在大功率電源模塊產(chǎn)品開(kāi)發(fā)過(guò)程中是作為較重要的環(huán)節(jié)之一來(lái)對(duì)待的。大功率電源模塊都不是線性電源類型，都是開(kāi)關(guān)電源，在開(kāi)關(guān)管開(kāi)通、關(guān)斷時(shí)，電壓和電流都會(huì)被斬波，造成較大瞬態(tài)變化（di/dt、dv/dt），所以開(kāi)關(guān)電源是較大的EMC干擾源。隔離電源模塊常用的電路拓?fù)洌焊綦x正激和隔離反激。通過(guò)產(chǎn)品內(nèi)部電路設(shè)計(jì)+PCB設(shè)計(jì)，使得產(chǎn)品的EMC性能達(dá)到較優(yōu)狀態(tài)。</p><p style="text-indent:25px">大功率電源模塊目前大致可分為商用、工業(yè)、**等三個(gè)溫度等級(jí),在使用上需要注意應(yīng)用環(huán)境,避免出現(xiàn)工作溫度超過(guò)額定值而導(dǎo)致系統(tǒng)癱瘓。在產(chǎn)品技術(shù)手冊(cè)中一般還有EMC特性說(shuō)明,標(biāo)明了過(guò)的相對(duì)性等級(jí),同時(shí)還會(huì)有參考應(yīng)用電路,用戶可以根據(jù)自身實(shí)際情況來(lái)設(shè)計(jì)電路?？梢员苊庖?yàn)槁銠C(jī)滿足不了要求,或者增加多個(gè)元件而重復(fù)修改等問(wèn)題。常見(jiàn)于在調(diào)試雙路電源模塊時(shí),出現(xiàn)了輔路輸出不斷重啟和電壓下跌等現(xiàn)象。這是由于主路負(fù)載出現(xiàn)輕載或空載,而輔路負(fù)載過(guò)重所導(dǎo)致。一般輔路電壓是依靠變壓器耦合穩(wěn)定輸出,其穩(wěn)定度與負(fù)載關(guān)系很大,因此,要求主路負(fù)載不小于額定的20%。負(fù)載電流的大小是決定功率的關(guān)鍵。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江大功率電源模塊生產(chǎn)廠家,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060592945780/7659586.png"></div><p style="text-indent:25px">大功率電源模塊啟動(dòng)困難，首先是破壞力較小的情況——大功率電源模塊在啟動(dòng)中出現(xiàn)啟動(dòng)困難，甚至啟動(dòng)不了。大家在使用大功率電源模塊過(guò)程中可能會(huì)出現(xiàn)電源模塊輸出端電壓正常，輸出端就是沒(méi)有任何輸出，電源模塊也無(wú)損壞，是什么原因呢？具體原因如下所示：外接電容過(guò)大；容性負(fù)載過(guò)大；負(fù)載電流過(guò)大；輸入電源功率不夠。針對(duì)這一類問(wèn)題，可以通過(guò)調(diào)整輸出端的電容以及負(fù)載或調(diào)整輸入端的功率進(jìn)行改善，具體如下所示：外接電容過(guò)大，在電源模塊啟動(dòng)時(shí)向其充電較長(zhǎng)時(shí)間，難以啟動(dòng)，需要選擇合適的容性負(fù)載；容性負(fù)載過(guò)大時(shí)需可先串聯(lián)一個(gè)合適的電感；輸出負(fù)載過(guò)重是會(huì)造成啟動(dòng)時(shí)間延長(zhǎng)，選擇合適負(fù)載；換用功率更大的輸入電源。大功率電源模塊要考慮散熱設(shè)計(jì)、EMC設(shè)計(jì)、干擾設(shè)計(jì)和生產(chǎn)工藝設(shè)計(jì)等等。黑龍江大功率電源模塊生產(chǎn)廠家</p><p style="text-indent:25px">大功率電源模塊都不是線性電源類型，都是開(kāi)關(guān)電源。黑龍江大功率電源模塊生產(chǎn)廠家</p><p style="text-indent:25px">在生產(chǎn)大功率電源模塊過(guò)程中，有些問(wèn)題是我們?nèi)庋蹮o(wú)法看見(jiàn)的，如來(lái)料的元器件好壞、虛焊等問(wèn)題。雖然在生產(chǎn)線剛出來(lái)的大功率電源模塊可以直接使用，但是很多時(shí)候產(chǎn)品到客戶手上才發(fā)現(xiàn)用不了。這是因?yàn)樵谏a(chǎn)過(guò)程中只是簡(jiǎn)單的通電測(cè)試，并沒(méi)有做長(zhǎng)時(shí)間不同環(huán)境的通電測(cè)試。大功率電源模塊的老化方式主要有常溫帶負(fù)載老化和高溫通電老化測(cè)試倆種，常用的是高溫老化。通過(guò)高溫老化可以使產(chǎn)品元件的缺陷或質(zhì)量不良暴露出來(lái)，從而提高了產(chǎn)品的穩(wěn)定性和可靠性。大功率電源模塊的高溫老化是指仿真產(chǎn)品的高溫使用環(huán)境，老化測(cè)試時(shí)間一般要求為12-48小時(shí)。高溫老化流程有倆種，一種是設(shè)置在高溫環(huán)境中，通電老化。一種是在高溫環(huán)境下，用更惡劣的環(huán)境條件沖擊大功率電源模塊。黑龍江大功率電源模塊生產(chǎn)廠家</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2979905.html</p></div></div></div></div></div><div id="xwt77jb" class="page-right twoColRt"><div id="gasuofw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="838m8yv" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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