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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="jms3wio" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060379653267/3899269.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7qxtz2u" 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)大功率電源模塊供應(yīng)商,大功率電源模塊</p><p><span>***更新：</span>2021-01-04 04:17:02</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="2kqpgmi" 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="g7eye2a" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="vzlw3rt" class="box"><p><p style="text-indent:25px">大功率電源模塊熱設(shè)計(jì)的基本任務(wù)是：通過熱設(shè)計(jì)在滿足性能要求的前提下盡可能減少模塊內(nèi)部產(chǎn)生的熱量，減少熱阻，選擇合理的冷卻方式。發(fā)熱元器件要盡可能使其分散布局。設(shè)計(jì)PCB板時(shí)要保證印制線的載流容量，印制線的寬度必須適于電流的傳導(dǎo)。對(duì)于大功率的貼片元器件，靜安區(qū)大功率電源模塊供應(yīng)商，可以采用大面積敷銅箔的方式，靜安區(qū)大功率電源模塊供應(yīng)商，以加大PCB的散熱面積，靜安區(qū)大功率電源模塊供應(yīng)商。電源模塊內(nèi)部可通過填充導(dǎo)熱硅膠和樹脂等來降低模塊內(nèi)部元器件的溫升。對(duì)于體積較大的電源模塊，可以使用散熱片進(jìn)行散熱，增加對(duì)流和輻射的表面積從而有效地改善了電子器件的散熱效果。電源模塊可為**集成電路、數(shù)字信號(hào)處理器、微處理器、及其他數(shù)字或模擬負(fù)載提供供電。靜安區(qū)大功率電源模塊供應(yīng)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="靜安區(qū)大功率電源模塊供應(yīng)商,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060379653267/3899269.png"></div><p style="text-indent:25px">大功率電源模塊是一種負(fù)反饋的穩(wěn)壓系統(tǒng)，其性能指標(biāo)分為靜態(tài)指標(biāo)和動(dòng)態(tài)指標(biāo)。靜態(tài)指標(biāo)輸出電壓精度：衡量模塊的實(shí)際輸出電壓與標(biāo)稱的輸出電壓的差異性。電壓調(diào)整率(源效應(yīng))：衡量模塊在不同輸入電壓的情況下輸出電壓的變化情況。電流調(diào)整率(負(fù)載效應(yīng))：衡量模塊在不同輸出電流的情況下輸出電壓的變化情況。交叉調(diào)整率：衡量模塊某一路的輸出功率的變化對(duì)其他路輸出電壓的影響情況，*對(duì)于雙路或多路模塊。溫度漂移：衡量模塊在不同環(huán)境溫度的情況下輸出電壓的變化情況。輸出電壓紋波：衡量模塊的輸出直流電壓上的交流電壓成分的大小。效率：衡量電源模塊在實(shí)現(xiàn)電壓轉(zhuǎn)換和功率傳輸?shù)耐瑫r(shí)自身的損耗情況。奉賢區(qū)大功率電源模塊采購哪家好一般大功率電源模塊產(chǎn)品都有內(nèi)置濾波器，能滿足一般電源應(yīng)用的要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="靜安區(qū)大功率電源模塊供應(yīng)商,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060370833577/692328.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(cè)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(cè)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(cè)溫。從面到點(diǎn)，嚴(yán)格測(cè)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(cè)試的，產(chǎn)品性能和可靠性有足夠的保障。</p><p style="text-indent:25px">大功率電源模塊有以下多個(gè)優(yōu)點(diǎn)：每一模塊可以分別加以嚴(yán)格測(cè)試，以確保其高度可靠，其中包括通電測(cè)試，以便剔除不合規(guī)格的產(chǎn)品。相較之下，集成式的解決方案便較難測(cè)試，因?yàn)檎麄€(gè)供電系統(tǒng)與電路上的其他功能系統(tǒng)緊密聯(lián)系一起。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)同一大小的模塊，為設(shè)計(jì)電源供應(yīng)器的工程師提供多種不同的選擇。每一模塊的設(shè)計(jì)及測(cè)試都按照標(biāo)準(zhǔn)性能的規(guī)定進(jìn)行，有助減少采用新技術(shù)所承受的風(fēng)險(xiǎn)。若采用集成式的解決方案，一旦電源供應(yīng)系統(tǒng)出現(xiàn)問題，便需要將整塊主機(jī)板更換;若采用模塊式的設(shè)計(jì)，只要將問題模塊更換便可，這樣有助節(jié)省成本及開發(fā)時(shí)間。并聯(lián)均流原理二：調(diào)節(jié)開路輸出電壓實(shí)現(xiàn)均流。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="靜安區(qū)大功率電源模塊供應(yīng)商,大功率電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393060592945780/7659586.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，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，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(cè)試，以確保其高度可靠。靜安區(qū)大功率電源模塊供應(yīng)商</p><p style="text-indent:25px">大功率電源模塊是置于印刷電路板上某個(gè)封裝內(nèi)的**元件。靜安區(qū)大功率電源模塊供應(yīng)商</p><p style="text-indent:25px">由于某些大功率電源模塊內(nèi)部的電子元器件的電壓余量設(shè)計(jì)不夠，在輸入電壓過高時(shí)，造成模塊損壞，甚至燒毀，這是就需要我們?cè)?*做一些保護(hù)，哪些常見原因易造成輸入電壓偏高呢？在大功率電源模塊輸入端進(jìn)行熱插拔上電，此時(shí)其電壓尖峰及浪涌電流都較高，抗壓差的模塊會(huì)被瞬間擊穿損壞；輸出端負(fù)載過輕，輕于10%的額定負(fù)載，對(duì)一些非線性穩(wěn)壓的電源產(chǎn)品來說，模塊不一定會(huì)損壞，但會(huì)影響后級(jí)的一些性能，如效率偏低，模塊偏熱等；前級(jí)供電電源的電壓沖擊導(dǎo)致輸入電壓偏高或產(chǎn)生干擾電壓，電磁兼容也較容易造成輸入電壓高，如雷擊浪涌、群脈沖。靜安區(qū)大功率電源模塊供應(yīng)商</p><p style="text-indent:25px">上海多商電子有限公司是一家1、充電電源：本系列產(chǎn)分鉛酸電池充電，鋰電池充電，電容充電；充電電壓可以調(diào)節(jié)，充電電流也可以調(diào)節(jié)；輸入電壓可以是交流入110VAC，220VAC，380VAC等；也可以是直流如24VDC，48VDC，110VDC， 300VDC等。 2、 DCDC電源模塊：本系列產(chǎn)品功率范圍100-10000W；可以定制特輸入電源，可以根據(jù)客戶機(jī)箱尺寸設(shè)計(jì)電源尺寸；輸入對(duì)輸出可以是隔離，也可以非隔離；輸出電壓可以調(diào)節(jié)，輸出電流也可以調(diào)節(jié) 可以通過信號(hào)或協(xié)議來調(diào)節(jié)電源；電源可以做成恒壓，恒流，恒功率等多種工作模式。 3、 ACDC電源模塊：本系列電源功率范圍100-10000W；輸入電壓可以是110VAC，220VAC，380VAC或其他特殊輸入電壓；輸出電壓可設(shè)定，可調(diào)節(jié)；電源可以定制恒壓，恒流，恒功率多種工作模式。 4、大功率電源模塊：可定制3000-100000的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。公司自創(chuàng)立以來，投身于充電電源，ACDC電源模塊，DCDC電源模塊，大功率電源模塊，是電工電氣的主力軍。上海多商電子致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來良好體驗(yàn)。上海多商電子始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使上海多商電子在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2694491.html</p></div></div></div></div></div><div id="j2c3rie" class="page-right twoColRt"><div id="gja8kmo" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3w3evbs" 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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="p8o4mdu" class="recomPic likePro"><a 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