福建充電電源生產(chǎn)線服務至上上海多商電子供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="充電電源模塊的開關頻率也是需要關注的，他決定了外接電源濾波器濾波參數(shù)（截止頻率、階次）的選擇。紋波與拓撲結構、電容電感的參數(shù)、負載的情況都相關，一個5v電源，紋波做到50mv，單電源的誤差就是1%了，對精度要求高的電路，電源的誤差、放大電路"><meta name="keywords" content="福建充電電源生產(chǎn)線,充電電源"><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" content="no-transform" /> <meta http-equiv="Cache-Control" 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href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a href="http://www.cdcfah.com/cp/first-_dzyqj/">電子元器件</a>?<a href="http://www.cdcfah.com/cp/second-dzyqj_jcdl(ic)/">集成電路(IC)</a>?<a href="http://www.cdcfah.com/cp/third-jcdl(ic)_dymk/">電源模塊</a>?福建充電電源生產(chǎn)線服務至上上海多商電子供應</p><div id="3wotp2o" class="leftbox clearfix"><h1>福建充電電源生產(chǎn)線服務至上上海多商電子供應</h1><div id="otfcovk" class="proBig"><div id="bgikrtq" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393063883948879/9015043.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3vsk2b2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393063883948879/9015043.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3npeofu" 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)品關鍵詞：</span>福建充電電源生產(chǎn)線,充電電源</p><p><span>***更新：</span>2020-12-05 10:27:41</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="7fh337b" 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="scel77h" class="page-proshow02"><p class="title">詳細說明</p><div id="cb2irov" class="box"><p><p style="text-indent:25px">充電電源模塊的開關頻率也是需要關注的，他決定了外接電源濾波器濾波參數(shù)（截止頻率、階次）的選擇。紋波與拓撲結構、電容電感的參數(shù)、負載的情況都相關，一個5v電源，紋波做到50mv，單電源的誤差就是1%了，對精度要求高的電路，電源的誤差、放大電路的誤差、信號電纜的誤差、AD的舍入誤差，多個誤差累積合并之后，總誤差可就大了。電源模塊里有無濾波設計、電源模塊所在的設備里有無安規(guī)要求（漏電流、絕緣耐壓、濕度要求），福建充電電源生產(chǎn)線、溫升特性、轉換效率、輸入電壓的波動范圍，福建充電電源生產(chǎn)線，福建充電電源生產(chǎn)線、負載調(diào)整率等等，要求的地方還是不少的。高壓直流系統(tǒng)替代傳統(tǒng)的交流UPS系統(tǒng)，平均節(jié)約投資大于40%。福建充電電源生產(chǎn)線</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建充電電源生產(chǎn)線,充電電源" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393063883948879/9015043.png"></div><p style="text-indent:25px">電源模塊屬于元器件類產(chǎn)品，安裝使用時需參考數(shù)據(jù)手冊。下面根據(jù)收集到的客戶使用問題，整理總結出一些注意事項，供大家設計調(diào)試電源電路時參考。電源模塊底板輸入輸出之間的電氣間隙與爬電距離，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電源模塊，還需要關注電源底板的電氣間隙，以滿足較終產(chǎn)品的電氣隔離參數(shù)。 DC-DC模塊一般根據(jù)耐壓不同，留夠3~7mm的電氣間隙；AC-DC模塊由于有高壓的存在，一般電氣間隙需要留到8mm以上。標準的電源模塊數(shù)據(jù)手冊，都有EMC特性一欄，并已標注相應的等級及參考電路。客戶可根據(jù)自己實際的EMS等級要求來設計相應電路，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。寶山區(qū)充電電源廠家供應充電電源模塊具有模塊化設計、防潮、抗震動、一致性好、應用簡單，可靠性高等優(yōu)點。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建充電電源生產(chǎn)線,充電電源" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393063892249814/9718505.png"></div><p style="text-indent:25px">充電電源模塊應該如何選擇？定功率，一般建議實際使用功率是電源模塊額定功率的30～80%為宜（具體比例大小還與其他因素有關，后面將會提到。），這個功率范圍內(nèi)電源模塊各方面性能發(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。所有電源模塊均有一定的過載能力。2封裝形式電源模塊的封裝形式多種多樣，符合國際標準的也有，非標準的也有，就同一公司產(chǎn)品而言，相同功率產(chǎn)品有不同封裝，相同封裝有不同功率，那么怎么選擇封裝形式呢？主要有三個方面：① 一定功率條件**積要盡量小，這樣才能給系統(tǒng)其他部分更多空間更多功能；② 盡量選擇符合國際標準封裝的產(chǎn)品，因為兼容性較好，不局限于一兩個供貨廠家；③ 應具有可擴展性，便于系統(tǒng)擴容和升級。</p><p style="text-indent:25px">因開關電源工作效率高，一般可達到80%以上，故在其輸出電流的選擇上，應準確測量或計算用電設備的較大吸收電流，以使被選用的開關電源具有高的性能價格比，通常輸出計算公式為：Is=KIf，式中：Is—開關電源的額定輸出電流；If—用電設備的較大吸收電流；K—裕量系數(shù)，一般取1.5～1.8；開關電源在設計中必須具有過流、過熱、短路等保護功能，故在設計時應保護功能齊備的開關電源模塊，并且其保護電路的技術參數(shù)應與用電設備的工作特性相匹配，以避免損壞用電設備或開關電源。電源模塊屬于元器件類產(chǎn)品，安裝使用時需參考數(shù)據(jù)手冊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建充電電源生產(chǎn)線,充電電源" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393066669679636/9325936.png"></div><p style="text-indent:25px">高壓直流供電都有哪些好處呢？節(jié)能！依據(jù)電信運營商的運行數(shù)據(jù)結果統(tǒng)計，用高壓直流替代傳統(tǒng)的交流UPS供電，在UPS整個生命周期內(nèi)平均節(jié)能大于20%；從新建系統(tǒng)統(tǒng)計數(shù)據(jù)分析，高壓直流系統(tǒng)替代傳統(tǒng)的交流UPS系統(tǒng)，平均節(jié)約投資大于40%。可靠！由于高壓直流系統(tǒng)結構比UPS系統(tǒng)簡單，而且采用了電池直掛輸出母線，在進一步提高系統(tǒng)可靠性的同時，還提供了一個很大的濾波池，給設備帶來更為潔凈的供電環(huán)境。簡單！從“通信電源系統(tǒng)”和“電力操作電源系統(tǒng)”衍生出來的模塊化高壓直流系統(tǒng)，其運維沒有UPS并機所要求的“相同的幅值、頻率和相位”等需求，可直接并機擴容，維護操作方法得到簡化，倍受各大運營商、互聯(lián)網(wǎng)公司和設備制造商的高度關注。真實！從實際運行數(shù)據(jù)上看，設備可靠性大有提升，故障率減少了一半。電源的電磁干擾水平是設計中較難的部分，設計人員能做的較多就是在設計中進行充分考慮，尤其在布局時。寶山區(qū)充電電源廠家供應</p><p style="text-indent:25px">電源電壓應力是保證電源可靠性的一個重要指標。福建充電電源生產(chǎn)線</p><p style="text-indent:25px">一般來說，模塊在上板前都會進行功能測試，驗證模塊的電壓輸出是否正常。電源模塊輸出有電壓但電壓低于標稱輸出值是測試過程中經(jīng)常遇到的問題，出現(xiàn)這種情況的原因無非有兩種，一是電源模塊為不良品或損壞，二是使用方法問題。下文將重點討論使用方法導致的電源模塊輸出電壓低的情況。輸入電壓偏低是較容易被忽略的情況，當輸出有問題時我們應該時間檢查輸入是否正常。對于輸入為定壓或寬壓的電源模塊，當輸入值偏低時將導致輸出值也偏低。當然，這種情況是有限度的，對于一個特定的模塊來說，當輸入電壓過低時將導致其不能工作，無輸出電壓。福建充電電源生產(chǎn)線</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)型的公司。公司業(yè)務涵蓋充電電源，ACDC電源模塊，DCDC電源模塊，大功率電源模塊等，價格合理，品質(zhì)有保證。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。上海多商電子秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2277845.html</p></div></div></div></div></div><div id="2nubvw3" class="page-right twoColRt"><div id="8tkh8pt" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ix5qmya" 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" 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</p></a></div><div id="dsrynub" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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