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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>?遼寧大功率電源模塊價位多少服務(wù)至上上海多商電子供應(yīng)</p><div id="p3kbimd" class="leftbox clearfix"><h1>遼寧大功率電源模塊價位多少服務(wù)至上上海多商電子供應(yīng)</h1><div id="wq92lax" class="proBig"><div id="qu9hlsu" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060592945780/7659586.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8sepmy2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060592945780/7659586.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wa98qb9" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>遼寧大功率電源模塊價位多少,大功率電源模塊</p><p><span>***更新：</span>2020-12-31 08:18:38</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="tmqczbf" 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: </span>021-69585559</p><p><span>地址: </span>上海市嘉定區(qū)科福路358號4號樓4樓</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="isrifr9" class="page-proshow02"><p class="title">詳細說明</p><div id="jix2r7w" class="box"><p><p style="text-indent:25px">在生產(chǎn)大功率電源模塊過程中，有些問題是我們?nèi)庋蹮o法看見的，如來料的元器件好壞、虛焊等問題。雖然在生產(chǎn)線剛出來的大功率電源模塊可以直接使用，但是很多時候產(chǎn)品到客戶手上才發(fā)現(xiàn)用不了。這是因為在生產(chǎn)過程中只是簡單的通電測試，并沒有做長時間不同環(huán)境的通電測試。大功率電源模塊的老化方式主要有常溫帶負載老化和高溫通電老化測試倆種，遼寧大功率電源模塊價位多少，常用的是高溫老化。通過高溫老化可以使產(chǎn)品元件的缺陷或質(zhì)量不良暴露出來，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，老化測試時間一般要求為12-48小時。高溫老化流程有倆種，一種是設(shè)置在高溫環(huán)境中，遼寧大功率電源模塊價位多少，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，遼寧大功率電源模塊價位多少。大功率電源模塊輸出電壓一般是直流輸出，但也有交流輸出的。遼寧大功率電源模塊價位多少</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧大功率電源模塊價位多少,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060592945780/7659586.png"></div><p style="text-indent:25px">大功率電源模塊已成為搜索熱詞，主要是因為大功率電源模塊具有防潮、抗震、阻燃、無需散熱片、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，大家往往很容易忽視一些小的使用細節(jié)，從而導致耽誤研發(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)。標準的大功率電源模塊數(shù)據(jù)手冊，都有EMC特性一欄，并已標注相應(yīng)的等級及參考電路?？蛻艨筛鶕?jù)自己實際的EMS等級要求來設(shè)計相應(yīng)電路，避免由于裸機等級滿足不了要求而重復改板，相反導致多加器件成本增加。遼寧大功率電源模塊價位多少開關(guān)電源是較大的EMC干擾源。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧大功率電源模塊價位多少,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060391019354/5564291.png"></div><p style="text-indent:25px">大功率電源模塊熱插拔即“帶電插拔”,具體是指在帶電帶負載的情況下對模塊進行插拔。配合適當?shù)能浖?便可以在不用關(guān)閉電源的情況下插入或拔除支持熱插拔的周邊設(shè)備,不會導致周邊設(shè)備燒毀并且能夠?qū)崟r偵測及使用新的設(shè)備。但目前大部分大功率電源模塊都不支持熱插拔,且需要熱插拔的模塊都是冗余模塊和備用模塊,它們因為加入了控制電路,可以防止插拔時產(chǎn)生的尖峰電壓損壞模塊。在電源模塊的性能參數(shù)有一參數(shù)叫隔離電壓,需要選擇適合實際應(yīng)用的耐壓值,同時要關(guān)注模塊底板電氣間隙參數(shù),要滿足產(chǎn)品的電氣隔離參數(shù)。AC-DC電源模塊由于存在高壓,所以電氣間隙一般都在8mm以上,而DC-DC電源模塊根據(jù)參數(shù)不同,一般有3-7mm。</p><p style="text-indent:25px">有關(guān)統(tǒng)計數(shù)據(jù)表明，大功率電源模塊在預(yù)期有效時間內(nèi)失效的主要原因是外部故障條件下?lián)p壞。而正常使用失效的機率是很低的。因此延長模塊電源壽命、提高系統(tǒng)可靠性的重要一環(huán)是選擇保護功能完善的產(chǎn)品，即在模塊電源外部電路出現(xiàn)故障時模塊電源能夠自動進入保護狀態(tài)而不至于長久失效，外部故障消失后應(yīng)能自動恢復正常。大功率電源模塊的保護功能應(yīng)至少包括輸入過壓、欠壓、軟啟動保護；輸出過壓、過流、短路保護，大功率產(chǎn)品還應(yīng)有過溫保護等。一般建議實際使用功率是模塊電源額定功率的30～80%為宜（具體比例大小還與其他因素有關(guān)，后面將會提到。），這個功率范圍內(nèi)模塊電源各方面性能發(fā)揮都比較充分而且穩(wěn)定可靠。負載太輕造成資源浪費，太重則對溫升、可靠性等不利。所有模塊電源均有一定的過載能力，例如某產(chǎn)品可達 110～120%，但是仍不建議長時間工作在過載條件下，畢竟這是一種短時應(yīng)急之計。大功率電源模塊輸出有單路輸出，雙路輸出及多路輸出。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="遼寧大功率電源模塊價位多少,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060755164706/6585667.png"></div><p style="text-indent:25px">大功率的電源模塊通常的工作運行過程中，容易出現(xiàn)模塊溫度過高發(fā)熱的情況，因此在研發(fā)過程中能否對散熱性能提供有效保障就成為了擺在研發(fā)部門面前的重要問題之一，選用合適的散熱器也就成為了研發(fā)過程中的重中之重。那么，大功率的電源模塊散熱性能為什么會出現(xiàn)較大的差異？散熱器的選擇對于散熱效果都有哪些影響呢？本文將會就這一問題展開簡要分析，一起來看看這些差異是由哪些問題造成的吧。散熱器翅片長度會造成散熱性能的差異問題。在研發(fā)過程中，適當增加散熱器的翅片長度適可以有效減小電源模塊的器件結(jié)溫，但是過分增加翅片長度并不能確保熱量傳導至散熱器翅片的末端，反而使散熱器重量增加太多。一般認為，散熱器的翅片程度和基座寬度比例接近1時，傳熱效果較好。大功率電源模塊的設(shè)計及測試有助減少采用新技術(shù)所承受的風險。遼寧大功率電源模塊價位多少</p><p style="text-indent:25px">大功率電源模塊噪聲隔離：（模擬電路與數(shù)字電路隔離、強弱信號隔離）。遼寧大功率電源模塊價位多少</p><p style="text-indent:25px">大功率電源模塊有以下多個優(yōu)點：每一模塊可以分別加以嚴格測試，以確保其高度可靠，其中包括通電測試，以便剔除不合規(guī)格的產(chǎn)品。相較之下，集成式的解決方案便較難測試，因為整個供電系統(tǒng)與電路上的其他功能系統(tǒng)緊密聯(lián)系一起。不同的供應(yīng)商可以按照現(xiàn)有的技術(shù)標準設(shè)計同一大小的模塊，為設(shè)計電源供應(yīng)器的工程師提供多種不同的選擇。每一模塊的設(shè)計及測試都按照標準性能的規(guī)定進行，有助減少采用新技術(shù)所承受的風險。若采用集成式的解決方案，一旦電源供應(yīng)系統(tǒng)出現(xiàn)問題，便需要將整塊主機板更換;若采用模塊式的設(shè)計，只要將問題模塊更換便可，這樣有助節(jié)省成本及開發(fā)時間。遼寧大功率電源模塊價位多少</p><p style="text-indent:25px">上海多商電子有限公司致力于電工電氣，是一家生產(chǎn)型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下充電電源，ACDC電源模塊，DCDC電源模塊，大功率電源模塊深受客戶的喜愛。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于電工電氣行業(yè)的發(fā)展。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2643221.html</p></div></div></div></div></div><div id="kjdmy7j" class="page-right twoColRt"><div id="srifmjd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ysuwtvu" class="recomPic likePro"><a 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