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href="http://www.cdcfah.com/cp/third-dianyuan_qtdy/">其他電源</a>?楊浦區(qū)大功率電源模塊制造商貼心服務(wù) 上海多商電子供應(yīng)</p><div id="wewoqx7" class="leftbox clearfix"><h1>楊浦區(qū)大功率電源模塊制造商貼心服務(wù) 上海多商電子供應(yīng)</h1><div id="7utqszw" class="proBig"><div id="hmjbyk8" 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="qkcuwd8" 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="d8sjw7c" 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>楊浦區(qū)大功率電源模塊制造商,大功率電源模塊</p><p><span>***更新：</span>2021-01-27 00:23:32</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="rgnfcod" 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(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="sh3npb3" class="page-proshow02"><p class="title">詳細說明</p><div id="q33elnh" class="box"><p><p style="text-indent:25px">大功率電源模塊在電壓轉(zhuǎn)換過程中有能量損耗，產(chǎn)生熱能導(dǎo)致模塊發(fā)熱，降低電源的轉(zhuǎn)換效率，影響電源模塊正常工作，但什么情況下會造成大功率電源模塊發(fā)熱較嚴重呢？負載過流，超出數(shù)據(jù)手冊應(yīng)用范圍使得內(nèi)部關(guān)鍵器件溫度飆升；環(huán)境溫度過高或散熱不良；其他大發(fā)熱源熱傳遞，楊浦區(qū)大功率電源模塊制造商。使用線性電源時要加散熱片，楊浦區(qū)大功率電源模塊制造商，楊浦區(qū)大功率電源模塊制造商,或選擇效率高的開關(guān)電源；輸出功率更大的模塊，確保有70%~80%的負載降額；降低環(huán)境溫度，保持散熱良好。噪聲是衡量電源模塊優(yōu)劣的一大關(guān)鍵指標，在應(yīng)用電路中，模塊周邊元器件的設(shè)計布局等也會影響輸出噪聲，哪些因素對輸出噪聲有較大影響呢？電源模塊與主電路噪聲敏感元件距離過近；主電路噪聲敏感元件的電源輸入端處未接去耦電容；多路系統(tǒng)中各單路輸出的電源模塊之間產(chǎn)生差頻干擾；地線處理不合理；電源模塊輸入端的噪聲過大，未處理，直接耦合到電源模塊輸出端；大功率電源模塊紋波是指疊加在輸出直流電上的交流成分。楊浦區(qū)大功率電源模塊制造商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="楊浦區(qū)大功率電源模塊制造商,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060769491026/1799904.png"></div><p style="text-indent:25px">據(jù)不完全統(tǒng)計，我國目前有電源生產(chǎn)廠家5000多家，而模塊電源生產(chǎn)廠家約幾百家。但國內(nèi)模塊電源技術(shù)含量不高，市場占有率低，尤其是在中大功率領(lǐng)域，模塊電源效率低，體積大，不能滿足要求。前瞻根據(jù)模塊電源下游需求，2017年模塊電源的需求量約為63.9億元，未來幾年我國模塊電源市場銷售規(guī)模將以12%-18%增長速度發(fā)展。我國有模塊電源生產(chǎn)廠家約幾百家，以私營企業(yè)、小型企業(yè)為主，整體競爭力水平較低，行業(yè)集中度較低，市場排名**家廠商的市場占有率不到60%，且多數(shù)是國際品牌，本土品牌較少。尤其在中低端模塊電源產(chǎn)品市場，行業(yè)基本呈現(xiàn)完全競爭狀況，而在較好產(chǎn)品市場，由于相應(yīng)的技術(shù)、工藝等的制約，市場集中度較高，市場份額主要被**的國際跨國公司占領(lǐng)。楊浦區(qū)大功率電源模塊廠商哪家好功率 P=UI,是輸出電壓和輸出電流的乘積。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="楊浦區(qū)大功率電源模塊制造商,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060763231217/4135973.png"></div><p style="text-indent:25px">***的大功率電源模塊都經(jīng)過專業(yè)的電源研發(fā)團隊按照嚴格的標準進行元器件選擇和認證、專業(yè)的電氣設(shè)計和工藝開發(fā)、完善的可靠性測試和嚴格的生產(chǎn)測試，以確保其***高可靠性。其中測試包括全溫度范圍的電氣性能測試，環(huán)路穩(wěn)定性測試、可靠性測試，極限測試等。每一個大功率電源模塊在出廠前都會經(jīng)過系統(tǒng)嚴格的測試。相對而已，分立器件集成解決方案較難對電源進行深入的測試，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；模塊電源一般采用多層PCB或鋁基板，功率密度高，小型化。選擇小型化，高功率密度的模塊電源，可以給系統(tǒng)節(jié)省更多的空間。</p><p style="text-indent:25px">在目前的光伏變電系統(tǒng)以及汽車驅(qū)動、工業(yè)驅(qū)動領(lǐng)域，通過并聯(lián)將多個模塊電源并入一個電路系統(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，實現(xiàn)多個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現(xiàn)均流。并聯(lián)均流原理二：調(diào)節(jié)開路輸出電壓實現(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)開路輸出電壓實現(xiàn)均流的原理。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="楊浦區(qū)大功率電源模塊制造商,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060799657446/5364070.png"></div><p style="text-indent:25px">由于電源模塊越趨于小型化，功率密度相應(yīng)越來越高，大功率電源模塊有關(guān)熱設(shè)計方面的問題尤其突出。特別是對使用有電解電容的電源模塊，高溫會使電解電容的電解液加速消耗，有效減少電解電容的壽命。高溫會使元器件材料加速老化，例如使得變壓器漆包線的絕緣特性降低，導(dǎo)致絕緣耐壓不良甚至造成匝間短路。因此好的熱設(shè)計不僅可延長大功率電源模塊和其周圍元器件的使用壽命，還可使整個產(chǎn)品發(fā)熱均勻，減少故障的發(fā)生。所以除了基本性能參數(shù)測試，多方面的高低溫測試，電應(yīng)力和熱應(yīng)力測試，保證足夠的降額設(shè)計要求，并通過長時間的老化測試，才可以判斷大功率電源模塊是否安全可靠。大功率電源模塊主要作用是電壓轉(zhuǎn)換，可以將交流或直流電變換成你想要的交流或直流電。虹口區(qū)大功率電源模塊生產(chǎn)商</p><p style="text-indent:25px">電源檢測是綜合電源模塊在最大功率各式各樣負荷的具體表現(xiàn)。楊浦區(qū)大功率電源模塊制造商</p><p style="text-indent:25px">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，其特點是可為**集成電路（ASIC）、數(shù)字信號處理器 (DSP)、微處理器、存儲器、現(xiàn)場可編程門陣列 (FPGA) 及其他數(shù)字或模擬負載提供供電。由于模塊式結(jié)構(gòu)的優(yōu)點甚多，因此模塊電源普遍用于交換設(shè)備、接入設(shè)備、移動通訊、微波通訊以及光傳輸、路由器等通信領(lǐng)域和汽車電子、航空航天等。尤其近幾年由于數(shù)據(jù)業(yè)務(wù)的飛速發(fā)展和分布式供電系統(tǒng)的不斷推廣,模塊電源的增幅已經(jīng)超出了一次電源。模塊電源具有隔離作用，抗干擾能力強，自帶保護功能，便于集成。隨著半導(dǎo)體工藝、封裝技術(shù)和高頻軟開關(guān)的大量使用,模塊電源功率密度越來越大,轉(zhuǎn)換效率越來越高,應(yīng)用也越來越簡單。楊浦區(qū)大功率電源模塊制造商</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3023135.html</p></div></div></div></div></div><div id="cb7xzb2" class="page-right twoColRt"><div id="qkcjprl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="h7rogsu" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="vkmovco" class="recomPic likePro"><a 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