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clearfix"><h1>長寧區(qū)大功率電源模塊質(zhì)量哪家好抱誠守真上海多商電子供應(yīng)</h1><div id="wlikzv8" class="proBig"><div id="uyf8s8r" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060581666400/7630396.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nrogdkm" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060581666400/7630396.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="mgnpb73" 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>長寧區(qū)大功率電源模塊質(zhì)量哪家好,大功率電源模塊</p><p><span>***更新：</span>2021-02-06 11:20:50</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="d7yvi40" 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="yxumone" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8md3ey3" class="box"><p><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，長寧區(qū)大功率電源模塊質(zhì)量哪家好、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)計者快速的完成產(chǎn)品的電源供給設(shè)計電路，長寧區(qū)大功率電源模塊質(zhì)量哪家好。元冊科技在產(chǎn)品的設(shè)計上，長寧區(qū)大功率電源模塊質(zhì)量哪家好，完全按行業(yè)標(biāo)準(zhǔn)來設(shè)計制造產(chǎn)品，可以適應(yīng)大部分情況下的產(chǎn)品對電源模塊的需求。同時也會根據(jù)客戶的實際要求來對產(chǎn)品進(jìn)行改造和優(yōu)化，盡可能的滿足客戶的個性化需求。采用大功率電源模塊可以節(jié)省開發(fā)時間，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。大功率電源模塊產(chǎn)品有模塊電源的PCB設(shè)計規(guī)范要求。長寧區(qū)大功率電源模塊質(zhì)量哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長寧區(qū)大功率電源模塊質(zhì)量哪家好,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060581666400/7630396.png"></div><p style="text-indent:25px">在高溫情況下大功率電源模塊應(yīng)降額使用，可以選擇30%-40%以上的功率降額。對于高溫條件應(yīng)用，或散熱不好的條件，在同等功率條件下，優(yōu)先選用體積大的模塊；對于長期工作在 70℃以上的場合，請向我術(shù)服務(wù)人員咨詢以選取適合高溫環(huán)境工作的大功率電源模塊。大功率電源模塊需預(yù)留足夠的空間來考慮其散熱輻射對信號采集干擾的影響，以及模塊電磁干擾對于其它電路部件性能的影響，所以要兼顧體積、成本，同時也要綜合考慮模塊的可靠性?？傊M量采用標(biāo)準(zhǔn)模塊規(guī)格，可以達(dá)到滿足成本較低、技術(shù)成熟、開發(fā)阻力小、節(jié)約開發(fā)時間的目的。河北大功率電源模塊用途大功率電源模塊都不是線性電源類型，都是開關(guān)電源。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長寧區(qū)大功率電源模塊質(zhì)量哪家好,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060391019354/5564291.png"></div><p style="text-indent:25px">當(dāng)今電源系統(tǒng)的設(shè)計，對于電子設(shè)計人員來說遇到了極大的挑戰(zhàn)。他們要利用有限的資源和空間，在短時間內(nèi)設(shè)計出靈活、高效、可靠和具有競爭力的電源系統(tǒng)。大功率電源模塊是目前設(shè)計人員的較好選擇。以模塊式電源取代分立元件設(shè)計方案，好比用微信息處理器件代替集成電路方塊，它可更靈活、更快捷地完成系統(tǒng)及開發(fā)，縮短開發(fā)或更改設(shè)計所花費的時間，節(jié)省人力及技術(shù)投資。設(shè)計簡單。只需1個大功率電源模塊，配上少量分立元件，即可獲得電源。質(zhì)優(yōu)可靠。大功率電源模塊一般均采用全自動化生產(chǎn)，并配以高科技生產(chǎn)技術(shù)，因此品質(zhì)穩(wěn)定、可靠。　　</p><p style="text-indent:25px">變壓器損耗也是模塊開關(guān)電源損耗的重要部分，變壓器損耗主要有鐵損和銅損。鐵損是指由由變壓器的材料、形狀、工藝結(jié)構(gòu)等有關(guān)因素而引起的高頻損耗，銅損是指由變壓器繞組線路而引起的傳導(dǎo)損耗，為了減小變壓器的鐵損，應(yīng)選擇高頻特性好、高頻損耗小、磁芯結(jié)構(gòu)形狀合理、結(jié)構(gòu)緊湊的磁芯材料。同時為了減小模塊開關(guān)電源的體積，應(yīng)盡力提高模塊開關(guān)電源的開關(guān)工作頻率，如要提高到500kHz左右或更高，普通磁芯材料的損耗很大，磁芯很容易過熱而磁飽和，以至無法正常工作，所以在模塊開關(guān)電源中必須選用磁特性優(yōu)良的高頻磁芯材料。通信業(yè)的迅速發(fā)展極大的推動了通信電源的發(fā)展。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長寧區(qū)大功率電源模塊質(zhì)量哪家好,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060370833577/692328.png"></div><p style="text-indent:25px">通信電源的二次電源DC/DC變換器已商品化,模塊采用高頻PWM技術(shù),開關(guān)頻率在500kHz左右,功率密度為5W~20W/in3。隨著大規(guī)模集成電路的發(fā)展,要求電源模塊實現(xiàn)小型化,因此就要不斷提高開關(guān)頻率和采用新的電路拓?fù)浣Y(jié)構(gòu),當(dāng)前已有一些公司研制生產(chǎn)了采用零電流開關(guān)和零電壓開關(guān)技術(shù)的二次電源模塊,功率密度有較大幅度的提高。不間斷電源(UPS)是計算機(jī)、通信系統(tǒng)以及要求提供不能中斷場合所必須的一種高可靠、高性能的電源。交流市電輸入經(jīng)整流器變成直流,一部分能量給蓄電池組充電,另一部分能量經(jīng)逆變器變成交流,經(jīng)轉(zhuǎn)換開關(guān)送到負(fù)載。為了在逆變器故障時仍能向負(fù)載提供能量,另一路備用電源通過電源轉(zhuǎn)換開關(guān)來實現(xiàn)。并聯(lián)均流原理二：調(diào)節(jié)開路輸出電壓實現(xiàn)均流。長寧區(qū)大功率電源模塊質(zhì)量哪家好</p><p style="text-indent:25px">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。長寧區(qū)大功率電源模塊質(zhì)量哪家好</p><p style="text-indent:25px">一般情況下，負(fù)載電流的大小是決定功率的關(guān)鍵因素，為考慮到嵌入式系統(tǒng)設(shè)計的穩(wěn)定性和抗意外能力，建議根據(jù)實際情況，較小預(yù)留20%的設(shè)計余量，既實際使用中較大功率不超過電源模塊額定功率的80%，在這個功率范圍內(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。如果余量太大，造成資源浪費，如果余量太小則不利于溫升和可靠性。對于波動較大的負(fù)載，設(shè)計應(yīng)當(dāng)滿足峰值電流不超過大功率電源模塊較大承受范圍的基本原則，再根據(jù)負(fù)載波動的頻率，適當(dāng)?shù)募哟笤O(shè)計余量的方法，盡量提高可靠性。長寧區(qū)大功率電源模塊質(zhì)量哪家好</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3193685.html</p></div></div></div></div></div><div id="cli2zgy" class="page-right twoColRt"><div id="bvsp394" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="p2uwy4q" 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) 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(qiáng) 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