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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="i7tl7ru" class="twoCol"><div id="zg2egdp" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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>?上海大功率電源模塊廠家貼心服務(wù) 上海多商電子供應(yīng)</p><div id="m7p2pby" class="leftbox clearfix"><h1>上海大功率電源模塊廠家貼心服務(wù) 上海多商電子供應(yīng)</h1><div id="q98eas3" class="proBig"><div id="stqs3o3" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060385120850/9021330.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ov7ah88" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060385120850/9021330.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vubda7p" 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>上海大功率電源模塊廠家,大功率電源模塊</p><p><span>***更新：</span>2021-01-01 08:20:35</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="fz8fmt7" 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="kolia8l" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="z8zo8ku" class="box"><p><p style="text-indent:25px">大功率電源模塊熱插拔即“帶電插拔”,具體是指在帶電帶負(fù)載的情況下對(duì)模塊進(jìn)行插拔。配合適當(dāng)?shù)能浖?便可以在不用關(guān)閉電源的情況下插入或拔除支持熱插拔的周邊設(shè)備,不會(huì)導(dǎo)致周邊設(shè)備燒毀并且能夠?qū)崟r(shí)偵測(cè)及使用新的設(shè)備。但目前大部分大功率電源模塊都不支持熱插拔,且需要熱插拔的模塊都是冗余模塊和備用模塊,它們因?yàn)榧尤肓丝刂齐娐?可以防止插拔時(shí)產(chǎn)生的尖峰電壓損壞模塊。在電源模塊的性能參數(shù)有一參數(shù)叫隔離電壓，上海大功率電源模塊廠家,需要選擇適合實(shí)際應(yīng)用的耐壓值,同時(shí)要關(guān)注模塊底板電氣間隙參數(shù),要滿足產(chǎn)品的電氣隔離參數(shù)。AC-DC電源模塊由于存在高壓，上海大功率電源模塊廠家,所以電氣間隙一般都在8mm以上,而DC-DC電源模塊根據(jù)參數(shù)不同，上海大功率電源模塊廠家,一般有3-7mm。大功率電源模塊的設(shè)計(jì)及測(cè)試有助減少采用新技術(shù)所承受的風(fēng)險(xiǎn)。上海大功率電源模塊廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海大功率電源模塊廠家,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060385120850/9021330.png"></div><p style="text-indent:25px">在較近幾年中，大功率電源模塊產(chǎn)品在通訊通信領(lǐng)域的應(yīng)用范圍得到了較大的拓展，新產(chǎn)品的研發(fā)速度也明顯加快?，F(xiàn)在我們將會(huì)分享一種大功率開(kāi)關(guān)電源的設(shè)計(jì)方案，本方案采用的是采用半橋式功率逆變電路，大功率電源模塊主體部分的設(shè)計(jì)相對(duì)簡(jiǎn)單，希望能夠?qū)Ω魑还こ處煹难邪l(fā)設(shè)計(jì)工作有所幫助。這種基于SG3525的半橋式大功率開(kāi)關(guān)電源的電路系統(tǒng)設(shè)計(jì)，在該電路系統(tǒng)中，三相交流電經(jīng)EMI濾波器濾波，有效減少了交流電源輸入的電磁干擾，同時(shí)防止開(kāi)關(guān)電源產(chǎn)生的諧波串?dāng)_到輸入電源端。再經(jīng)過(guò)橋式整流電路、濾波電路變成直流電壓加在P、N兩點(diǎn)間。P、N之間接入一個(gè)小容量、高耐壓的無(wú)感電容，起到高頻濾波的作用。上海大功率電源模塊廠家噪聲是衡量電源模塊優(yōu)劣的一大關(guān)鍵指標(biāo)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海大功率電源模塊廠家,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060363069764/9500531.png"></div><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(guò)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(méi)有任何輸出，電源模塊也無(wú)損壞，是什么原因呢？具體原因如下所示：外接電容過(guò)大；容性負(fù)載過(guò)大；負(fù)載電流過(guò)大；輸入電源功率不夠。針對(duì)這一類問(wèn)題，可以通過(guò)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(guò)大，在電源模塊啟動(dòng)時(shí)向其充電較長(zhǎng)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(guò)大時(shí)需可先串聯(lián)一個(gè)合適的電感；輸出負(fù)載過(guò)重是會(huì)造成啟動(dòng)時(shí)間延長(zhǎng)，選擇合適負(fù)載；換用功率更大的輸入電源。</p><p style="text-indent:25px">大功率電源模塊的輸出電壓為什么會(huì)變低？輸入電壓偏低是較容易被忽略的情況，當(dāng)輸出有問(wèn)題時(shí)我們應(yīng)該一時(shí)間檢查輸入是否正常。對(duì)于輸入為定壓或?qū)拤旱碾娫茨K，當(dāng)輸入值偏低時(shí)將導(dǎo)致輸出值也偏低。當(dāng)然，這種情況是有限度的，對(duì)于一個(gè)特定的模塊來(lái)說(shuō)，當(dāng)輸入電壓過(guò)低時(shí)將導(dǎo)致其不能工作，無(wú)輸出電壓。輸出過(guò)載是指負(fù)載工作功率大于電源模塊的額定輸出功率，過(guò)載情況下電源模塊的輸出電壓明顯被拉低。以ZY0505FS-1W為例，當(dāng)負(fù)載電流增大到300mA時(shí)，輸出電壓只有4.5V。持續(xù)過(guò)載將影響到電源模塊的工作效率、穩(wěn)定性以及散熱情況，導(dǎo)致模塊使用壽命減少。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="上海大功率電源模塊廠家,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060370833577/692328.png"></div><p style="text-indent:25px">大功率電源模塊的輸出電壓的調(diào)節(jié)對(duì)有TRIM或ADJ(可調(diào)節(jié))輸出引腳的模塊電源產(chǎn)品，可通過(guò)電阻或電位器對(duì)輸出電壓進(jìn)行一些范圍內(nèi)的調(diào)節(jié)，一般調(diào)節(jié)范圍為±10%。對(duì)TRIM輸出引腳，將電位器的焦點(diǎn)與TRIM相連，在整體+S、-S管腳的模塊中，其他兩端分別接+S、-S。沒(méi)有+S、-S時(shí)，將兩端分別接到相應(yīng)主路的輸出正負(fù)極(+S接+Vin，-S接-Vin)，然后調(diào)節(jié)電位器就可。電位器的阻值一般選用5～10kΩ比較符合。對(duì)ADJ輸出引腳，分為輸入邊調(diào)節(jié)與輸出邊調(diào)節(jié)。輸出邊調(diào)節(jié)與TRIM引腳的調(diào)節(jié)方式一樣。電源模塊輸入邊調(diào)節(jié)只能上調(diào)輸出電壓，此時(shí)將電位器的其中一端與焦點(diǎn)相接，另一端接輸入端的地。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。山東大功率電源模塊</p><p style="text-indent:25px">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。上海大功率電源模塊廠家</p><p style="text-indent:25px">在進(jìn)行大功率電源的并聯(lián)均流過(guò)程中，工程師可以通過(guò)改變電源的輸出特性或者輸出電壓幅值的辦法，來(lái)達(dá)成多個(gè)電源模塊的均流輸出，這也是目前均流方法的基本出發(fā)點(diǎn),我們將會(huì)為您提供一種比較易于操作的設(shè)計(jì)方案，幫助工程師輕松完成多個(gè)大功率電源模塊的并聯(lián)均流輸出。目前國(guó)內(nèi)大部分的模塊并聯(lián)輸出設(shè)計(jì)，都使用了有源法。這種方法采用均流母線方式，各模塊之間存在相互關(guān)聯(lián)，通過(guò)取樣各個(gè)模塊輸出電流進(jìn)行比較進(jìn)而調(diào)整各個(gè)模塊輸出電壓的辦法實(shí)現(xiàn)均流，具有效率高的優(yōu)點(diǎn)。上海大功率電源模塊廠家</p><p style="text-indent:25px">上海多商電子有限公司致力于電工電氣，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。上海多商電子擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供充電電源，ACDC電源模塊，DCDC電源模塊，大功率電源模塊。上海多商電子不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。上海多商電子創(chuàng)始人郭靖，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2658106.html</p></div></div></div></div></div><div id="vkmoqxz" class="page-right twoColRt"><div id="vp4g3cz" class="box01 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