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class="home-main container clearfix"><div id="bde3zwt" class="twoCol"><div id="vo7o9xu" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a 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-_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>?長寧區(qū)大功率電源模塊哪家靠譜貼心服務(wù) 上海多商電子供應(yīng)</p><div id="uyfcugn" class="leftbox clearfix"><h1>長寧區(qū)大功率電源模塊哪家靠譜貼心服務(wù) 上海多商電子供應(yīng)</h1><div id="mah8vse" class="proBig"><div id="fjlsury" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060769491026/1799904.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="y3rjlnp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060769491026/1799904.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="i43kz7r" 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>長寧區(qū)大功率電源模塊哪家靠譜,大功率電源模塊</p><p><span>***更新：</span>2021-01-14 07:21:56</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="yfrj2ph" 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="7gbyqct" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="neb8nxz" class="box"><p><p style="text-indent:25px">大功率電源模塊要根據(jù)負(fù)載的波動(dòng)情況來確定，有的負(fù)載較穩(wěn)定，長寧區(qū)大功率電源模塊哪家靠譜，有的負(fù)載就波動(dòng)較大，甚至于有的還會(huì)有空載、或滿載、或瞬間負(fù)載變大，長寧區(qū)大功率電源模塊哪家靠譜、或瞬間負(fù)載跌落的情況發(fā)生，若有這種問題，較好與電源模塊廠家說明，確認(rèn)其設(shè)計(jì)上已有必要的應(yīng)對(duì)防護(hù)性設(shè)計(jì)措施，不是所有的電源都可以達(dá)到這個(gè)目標(biāo)的，長寧區(qū)大功率電源模塊哪家靠譜。負(fù)載的類型也是一個(gè)影響因素。一般的模塊，其輸出是按照默認(rèn)為阻性負(fù)載而設(shè)計(jì)的，如果負(fù)載是感性或容性負(fù)載，都需要與模塊廠家單獨(dú)說明，以便廠家出廠時(shí)的電源模塊內(nèi)部器件或參數(shù)稍作調(diào)整。開關(guān)電源是通過電子技術(shù)實(shí)現(xiàn)的。長寧區(qū)大功率電源模塊哪家靠譜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長寧區(qū)大功率電源模塊哪家靠譜,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060769491026/1799904.png"></div><p style="text-indent:25px">大功率電源模塊的拓?fù)浣Y(jié)構(gòu)有多種，反激、正激、推挽、半橋、全橋多種，每種因?yàn)槠湓淼牟煌?，也表現(xiàn)為在某些特性指標(biāo)方面的優(yōu)越性。反激電源在開關(guān)的一個(gè)周期中，充電的時(shí)段沒有放電，就是因?yàn)檫@個(gè)特性，其時(shí)間響應(yīng)特性、紋波特性就很難做到很好，雖然可以通過大的儲(chǔ)能電容協(xié)助解決一點(diǎn)，但原理性缺陷終歸是硬傷，智力不足是可以通過勤勞來彌補(bǔ)，但補(bǔ)來補(bǔ)去遇到臨界難題的時(shí)候終歸跨不過某個(gè)坎兒。漏感也大等等問題，但其優(yōu)點(diǎn)是電路簡單，成本低，體積小，不必加磁復(fù)位繞組，而且輸入電壓范圍比較寬。也正因?yàn)榇?，才有了其占總電源市?chǎng)7成以上的份額。長寧區(qū)大功率電源模塊哪家靠譜大功率電源模塊隔離就是將輸出與輸入進(jìn)行電路上的分離。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長寧區(qū)大功率電源模塊哪家靠譜,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060385120850/9021330.png"></div><p style="text-indent:25px">在電源的應(yīng)用電路中，會(huì)出現(xiàn)大功率電源模塊輸出端電壓不正常，輸出端就是沒有任何輸出，大功率電源模塊也無損壞，是什么原因呢？或許是大功率電源模塊本身就無法啟動(dòng)？外接電容過大（即容性負(fù)載過大），需要充電的時(shí)間變長，有些大功率電源模塊在規(guī)定時(shí)間內(nèi)不能建立好輸出電壓，就會(huì)進(jìn)入過流保護(hù)，從而模塊無輸出；電子負(fù)載在CC模式下也會(huì)造成部分啟動(dòng)能力弱的大功率電源模塊啟機(jī)不良，由于在CC模式下啟機(jī)的時(shí)候，其模擬的負(fù)載趨近于零，且反應(yīng)調(diào)節(jié)時(shí)間相對(duì)較長，絕大多數(shù)的大功率電源模塊應(yīng)用的環(huán)境屬于純電阻模式；負(fù)載需要的電流過大，而大功率電源模塊單位輸出的較大平均電流不夠?qū)е履K無法啟動(dòng)；輸入線路過長，使得線路之間產(chǎn)生的壓降過大，而導(dǎo)致輸入電壓低于模塊輸入電壓的下限要求。</p><p style="text-indent:25px">提高功率密度和高集成度是大功率電源模塊發(fā)展的趨勢(shì)，其中，提高功率密度意味著提升負(fù)載能力、縮小尺寸這兩方面的進(jìn)步。尺寸縮小是提高功率密度中的一部分，也是提高集成度中的一部分。這種變化勢(shì)必會(huì)遇到許多新的挑戰(zhàn)，特別是對(duì)于功率器件來說，散熱問題非常關(guān)鍵，將影響到器件的可靠性。在大功率電源模塊出廠前，都有經(jīng)過嚴(yán)格的測(cè)試，老化測(cè)試是其中一項(xiàng)。經(jīng)過老化測(cè)試的大功率電源模塊，可以保證產(chǎn)品的質(zhì)量，讓用戶在使用過程中減少出現(xiàn)故障幾率，延長使用壽命。大功率電源模塊產(chǎn)品大多數(shù)故障是發(fā)生在前期和后期，廠家無法準(zhǔn)確控制后期，所以只能控制前期。在把產(chǎn)品交到客戶手上前，把問題提前扼殺在出貨前。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長寧區(qū)大功率電源模塊哪家靠譜,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060763231217/4135973.png"></div><p style="text-indent:25px">在目前的光伏變電系統(tǒng)以及汽車驅(qū)動(dòng)、工業(yè)驅(qū)動(dòng)領(lǐng)域，通過并聯(lián)將多個(gè)模塊電源并入一個(gè)電路系統(tǒng)以維持整體系統(tǒng)輸出電壓穩(wěn)定的做法，是非常常見的，也是很多工程師日常接觸的基礎(chǔ)性工作之一。那么，實(shí)現(xiàn)多個(gè)大功率電源模塊并聯(lián)均流的原理是什么呢？就讓我們來一探究竟吧！并聯(lián)均流原理一：改變等效輸出電阻實(shí)現(xiàn)均流。并聯(lián)均流原理二：調(diào)節(jié)開路輸出電壓實(shí)現(xiàn)均流工作中比較常用的幾種模塊電源并聯(lián)方法中，有一半采用了調(diào)節(jié)開路輸出電壓實(shí)現(xiàn)均流的原理。并聯(lián)均流原理二：調(diào)節(jié)開路輸出電壓實(shí)現(xiàn)均流。工作中比較常用的幾種模塊電源并聯(lián)方法中，有一半采用了調(diào)節(jié)開路輸出電壓實(shí)現(xiàn)均流的原理。大功率電源模塊封裝尺寸有插針，貼片的，和螺旋。長寧區(qū)大功率電源模塊哪家靠譜</p><p style="text-indent:25px">不同的供應(yīng)商可以按照現(xiàn)有的技術(shù)標(biāo)準(zhǔn)設(shè)計(jì)同一大小的大功率電源模塊。長寧區(qū)大功率電源模塊哪家靠譜</p><p style="text-indent:25px">一般大功率電源模塊產(chǎn)品都有內(nèi)置濾波器，能滿足一般電源應(yīng)用的要求。如果需要更高要求的電源系統(tǒng)，應(yīng)增加輸入濾波網(wǎng)絡(luò)?？梢圆捎肔C或π型網(wǎng)絡(luò)，但應(yīng)注意盡量選擇較小的電感和較大的電容。為了防止輸入電源瞬態(tài)高壓損壞電源模塊，建議用戶在輸入端接瞬態(tài)吸收二極管并配合保險(xiǎn)絲使用，以確保電源模塊在安全的輸入電壓范圍之內(nèi)。為了降低共模噪聲，可以增加Y(Cy)電容，一般選擇幾nf高頻電容。R為保險(xiǎn)絲，D1為保護(hù)二極管，D2為瞬態(tài)吸收二極管(P6KE系列)。電源模塊的遙控開關(guān)操作，是通過REM端進(jìn)行的。一般控制方式有兩種：REM與VIN相連，遙控關(guān)斷，要求VREM<0.4V。REM與+VIN相連，模塊工作，要求VREM>1V。REM懸空，遙控關(guān)斷，即所謂“懸空關(guān)斷”(-R)。如果控制要與輸入端隔離，則可以使用光電耦合器作為傳遞控制信號(hào)。長寧區(qū)大功率電源模塊哪家靠譜</p><p style="text-indent:25px">上海多商電子有限公司主要經(jīng)營范圍是電工電氣，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司業(yè)務(wù)分為充電電源，ACDC電源模塊，DCDC電源模塊，大功率電源模塊等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司秉持誠信為本的經(jīng)營理念，在電工電氣深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造電工電氣良好品牌。上海多商電子立足于全國市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: 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