靜安區(qū)大功率電源模塊排行榜貼心服務(wù) 上海多商電子供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="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，輸出端就是沒有任何輸出，電源模塊也無損壞，是什么原因呢？具體原因如下所示：外"><meta name="keywords" content="靜安區(qū)大功率電源模塊排行榜,大功率電源模塊"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zjliky8" 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>靜安區(qū)大功率電源模塊排行榜,大功率電源模塊</p><p><span>***更新：</span>2021-01-26 04:15:05</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="icjgx8a" 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="irta2if" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="32t2jey" class="box"><p><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，輸出端就是沒有任何輸出，電源模塊也無損壞，是什么原因呢？具體原因如下所示：外接電容過大；容性負(fù)載過大；負(fù)載電流過大；輸入電源功率不夠。針對(duì)這一類問題，靜安區(qū)大功率電源模塊排行榜，可以通過調(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：外接電容過大，在電源模塊啟動(dòng)時(shí)向其充電較長時(shí)間，難以啟動(dòng)，需要選擇合適的容性負(fù)載；容性負(fù)載過大時(shí)需可先串聯(lián)一個(gè)合適的電感；輸出負(fù)載過重是會(huì)造成啟動(dòng)時(shí)間延長，靜安區(qū)大功率電源模塊排行榜，靜安區(qū)大功率電源模塊排行榜，選擇合適負(fù)載；換用功率更大的輸入電源。大功率電源模塊每一模塊可以分別加以嚴(yán)格測試，以確保其高度可靠。靜安區(qū)大功率電源模塊排行榜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="靜安區(qū)大功率電源模塊排行榜,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060763231217/4135973.png"></div><p style="text-indent:25px">不同的供應(yīng)商在市場上推出多種不同的模塊電源，而不同產(chǎn)品的輸入電壓、輸出功率、功能及拓?fù)浣Y(jié)構(gòu)等都各不相同。而現(xiàn)在電源模塊的市場比較成熟，有很多標(biāo)準(zhǔn)性的產(chǎn)品，可以很快的幫助電子設(shè)計(jì)者快速的完成產(chǎn)品的電源供給設(shè)計(jì)電路。元冊(cè)科技在產(chǎn)品的設(shè)計(jì)上，完全按行業(yè)標(biāo)準(zhǔn)來設(shè)計(jì)制造產(chǎn)品，可以適應(yīng)大部分情況下的產(chǎn)品對(duì)電源模塊的需求。同時(shí)也會(huì)根據(jù)客戶的實(shí)際要求來對(duì)產(chǎn)品進(jìn)行改造和優(yōu)化，盡可能的滿足客戶的個(gè)性化需求。采用大功率電源模塊可以節(jié)省開發(fā)時(shí)間，使產(chǎn)品可以更快推出市場，因此大功率電源模塊比集成式的解決方案優(yōu)勝。靜安區(qū)大功率電源模塊排行榜大功率電源模塊噪聲隔離：（模擬電路與數(shù)字電路隔離、強(qiáng)弱信號(hào)隔離）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="靜安區(qū)大功率電源模塊排行榜,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060755164706/6585667.png"></div><p style="text-indent:25px">在大功率電源模塊的實(shí)際應(yīng)用中，外接輸入、輸出電容的選取往往會(huì)從幾個(gè)方面入手：電容額定耐壓值。電容的容值。電容的使用壽命。在許多文獻(xiàn)中，對(duì)于濾波電容 C的選取，多使用經(jīng)驗(yàn)公式，并認(rèn)為濾波電容 C越大越好；在一些濾波電路的維修中，技術(shù)人員經(jīng)常用比原電路容量大的電容來代替已壞掉的電容。從理論上講，增大電路中的濾波電容 C容量的確可以使輸出電壓的波形變得更為平滑、起伏更小，但在電路接通瞬間，電路中所產(chǎn)生的沖擊電流因素卻不能被忽略；在一些濾波電路的維修中對(duì)濾波電容的替換也存在沖擊電流的問題，在不更換其他元件的前提下，單純提高濾波電容的容量會(huì)使整個(gè)電路的實(shí)際使用壽命有效縮短，甚至燒毀整個(gè)電路。</p><p style="text-indent:25px">如果在大功率電源模塊體積（封裝形式）一定的條件下實(shí)際使用功率已經(jīng)接近模塊額定功率，那么模塊標(biāo)稱的溫度范圍就必須嚴(yán)格滿足實(shí)際使用需求甚至略有余量。如果由于成本考慮選擇了較小溫度范圍的產(chǎn)品，實(shí)際使用溫度已經(jīng)逼近模塊極限溫度的情況，怎么辦呢？這時(shí)可以采用降額使用的辦法，即選擇功率或封裝更大一些的產(chǎn)品，這樣“大馬拉小車”，溫升低，能夠從一定程度上緩解這一矛盾?？傊催x擇寬溫度范圍的產(chǎn)品，功率利用更充分，封裝也更小一些，但價(jià)格較高；要么選擇一般溫度范圍產(chǎn)品，價(jià)格低一些，功率余量和封裝形式就得大一些。到底怎樣選擇，就需要根據(jù)實(shí)際的情況，綜合考慮了。散熱器翅片厚度的選擇也同樣會(huì)影響大功率電源模塊的散熱性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="靜安區(qū)大功率電源模塊排行榜,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060379653267/3899269.png"></div><p style="text-indent:25px">對(duì)于還沒灌封的大功率電源模塊，可以采用紅外熱成像儀對(duì)整個(gè)電源模塊進(jìn)行“面”的測溫，紅外熱成像儀就是將物體發(fā)出的不可見紅外能量轉(zhuǎn)變?yōu)榭梢姷臒釄D像。熱圖像的上面的不同顏色代替被測物體的不同溫度。然后經(jīng)過分析，再采用熱電偶配合數(shù)據(jù)采集設(shè)備重點(diǎn)對(duì)MOS管，整流二極管，變壓器等溫升高的關(guān)鍵元器件進(jìn)行“點(diǎn)”的測溫。從面到點(diǎn)，嚴(yán)格測試，保證元器件的溫度降額滿足要求。大功率電源模塊都是通過嚴(yán)格的降額設(shè)計(jì)和多方面的高低溫測試的，產(chǎn)品性能和可靠性有足夠的保障。大功率電源模塊安全隔離：強(qiáng)電弱電隔離＼IGBT隔離驅(qū)動(dòng)＼浪涌隔離保護(hù)＼雷電隔離保護(hù)。靜安區(qū)大功率電源模塊排行榜</p><p style="text-indent:25px">電磁兼容容易造成輸入電壓高，如雷擊浪涌、群脈沖。靜安區(qū)大功率電源模塊排行榜</p><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。靜安區(qū)大功率電源模塊排行榜</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3013702.html</p></div></div></div></div></div><div id="3lciyc2" class="page-right twoColRt"><div id="mldv3xn" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2m3rlhb" 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(qiáng) 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