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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_kgdy/">開關(guān)電源</a>?長寧區(qū)DCDC電源模塊價(jià)格表歡迎咨詢上海多商電子供應(yīng)</p><div id="wfj9pdy" class="leftbox clearfix"><h1>長寧區(qū)DCDC電源模塊價(jià)格表歡迎咨詢上海多商電子供應(yīng)</h1><div id="nwxl3yu" class="proBig"><div id="vouyzqm" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057105860144/4651539.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2ycwduv" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057105860144/4651539.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="03qm38i" 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>長寧區(qū)DCDC電源模塊價(jià)格表,DCDC電源模塊</p><p><span>***更新：</span>2020-12-30 01:17:14</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="0138o88" 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="fdeamso" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="tsj3t9i" class="box"><p><p style="text-indent:25px">發(fā)射機(jī)高壓電源通常不采用市售高壓模塊電源，而專門設(shè)計(jì)高壓電路。若使用高壓模塊電源，在使用過程及停電后10 min之內(nèi)，均不可觸及高壓危險(xiǎn)區(qū)。模塊電源選型原則：一般功率較大的宜選擇開關(guān)電源，功率較小的選擇線性電源。模塊電源一般極少損壞，當(dāng)高壓電源工作異常時(shí)如加不上電，關(guān)閉供電，檢查安裝在高壓電源內(nèi)的模塊電源輸出輸入端是否斷路或短路，如有這些現(xiàn)象即說明模塊電源損壞，更換模塊電源即可。模塊電源通常由廠家一次性封裝。不可強(qiáng)行拆卸。開關(guān)電源的基本構(gòu)成，其中DC-DC變換器用于進(jìn)行功率轉(zhuǎn)換，他是開關(guān)電源的重要部分，此外還有啟動(dòng)、過流和過壓保護(hù)、噪聲濾波等電路，長寧區(qū)DCDC電源模塊價(jià)格表，長寧區(qū)DCDC電源模塊價(jià)格表。輸出采樣電路(R1，長寧區(qū)DCDC電源模塊價(jià)格表、R2)檢測(cè)輸出電壓的變化，并與基準(zhǔn)電壓Ur比較，誤差電壓經(jīng)過放大及脈寬調(diào)制電路(PWM),在經(jīng)過驅(qū)動(dòng)電路控制功率器件的占空比，從而達(dá)到調(diào)整輸出電壓大小的目的。一次電源的作用是將單相或三相交流電網(wǎng)變換成標(biāo)稱值為48V的直流電源。長寧區(qū)DCDC電源模塊價(jià)格表</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長寧區(qū)DCDC電源模塊價(jià)格表,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057105860144/4651539.png"></div><p style="text-indent:25px">雷達(dá)發(fā)射機(jī)對(duì)其高壓電源的穩(wěn)定性有較高要求，在設(shè)計(jì)高壓電源時(shí)通常需要從普通供電系統(tǒng)經(jīng)過兩級(jí)或多級(jí)穩(wěn)壓以達(dá)到輸出要求，而且還需要考慮電源隔離、體積、散熱、可靠性等問題。模塊電源具有比分立元件電源靈活、高效、可靠等明顯優(yōu)勢(shì)，采用模塊電源可以設(shè)計(jì)出有效的高壓電源的一級(jí)穩(wěn)壓，同時(shí)兼顧電源隔離、體積、散熱、可靠性等要求，縮短開發(fā)或更改設(shè)計(jì)所花費(fèi)的時(shí)間，節(jié)省人力及技術(shù)成本。這樣可以將設(shè)計(jì)關(guān)注于高壓電源的主電路，提高設(shè)計(jì)效率。模塊電源具有如下優(yōu)點(diǎn)：品種多樣有AC／DC、DC／DC、EMI模塊等等。設(shè)計(jì)簡單，電源模塊只需配上少量分立元件，即可獲得電源。模塊電源一般配備標(biāo)準(zhǔn)化前端、高集成電源模塊和其他元件，因此使設(shè)計(jì)應(yīng)用大為簡化。長寧區(qū)DCDC電源模塊價(jià)格表DC/DC變換器現(xiàn)已實(shí)現(xiàn)模塊化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長寧區(qū)DCDC電源模塊價(jià)格表,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057031542665/4786685.png"></div><p style="text-indent:25px">分布式電源供電系統(tǒng)采用小功率模塊和大規(guī)模控制集成電路作基本部件,利用較新理論和技術(shù)成果,組成積木式、智能化的大功率供電電源,從而使強(qiáng)電與弱電緊密結(jié)合,降低大功率元器件、大功率裝置(集中式)的研制壓力,提高生產(chǎn)效率。分布供電方式具有節(jié)能、可靠、高效、經(jīng)濟(jì)和維護(hù)方便等優(yōu)點(diǎn)。已被大型計(jì)算機(jī)、通信設(shè)備、航空航天、工業(yè)控制等系統(tǒng)逐漸采納,也是超高速型集成電路的低電壓電源(3.3V)的較為理想的供電方式。在大功率場(chǎng)合,如電鍍、電解電源、電力機(jī)車牽引電源、中頻感應(yīng)加熱電源、電動(dòng)機(jī)驅(qū)動(dòng)電源等領(lǐng)域也有廣闊的應(yīng)用前景。</p><p style="text-indent:25px">合理安裝減小機(jī)械應(yīng)力，模塊電源的引出方式均為金屬針，模塊電源與外接線路、金屬針與模塊電源內(nèi)路電路均采用焊接方式連接。在一些特殊場(chǎng)合機(jī)械振動(dòng)強(qiáng)度較大，尢其是大功率模塊電源上還要加裝散熱器，這種情況更為嚴(yán)重。雖然模塊電源內(nèi)部一般灌封導(dǎo)熱絕緣橡膠可以對(duì)元件起到較好的緩沖保護(hù)作用，但焊點(diǎn)有可能經(jīng)受不住強(qiáng)烈振動(dòng)應(yīng)力而斷裂，導(dǎo)致模塊電源工作失效，這時(shí)必須在焊接的基礎(chǔ)上再采取另外的固定和緩沖措施，比如可以用夾具或螺栓（對(duì)于有螺孔模塊）將模塊與機(jī)箱、大線路板等相對(duì)抗振性能好的部件固定，并且在它們中間墊一些彈性材料以緩沖振動(dòng)產(chǎn)生的應(yīng)力。總之，模塊電源和其它元器件一樣只有精心選擇、合理應(yīng)用才能使其性能得到較大發(fā)揮，可靠性得到充分保障，模塊電源也才會(huì)被更普遍地采用。模塊電源宜安裝在空氣對(duì)流較好的位置。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長寧區(qū)DCDC電源模塊價(jià)格表,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393056984051734/4996929.png"></div><p style="text-indent:25px">變頻器電源主要用于交流電機(jī)的變頻調(diào)速,其在電氣傳動(dòng)系統(tǒng)中占據(jù)的地位日趨重要,已獲得巨大的節(jié)能效果。變頻器電源主電路均采用交流-直流-交流方案。工頻電源通過整流器變成固定的直流電壓,然后由大功率晶體管或IGBT組成的PWM高頻變換器, 將直流電壓逆變成電壓、頻率可變的交流輸出,電源輸出波形近似于正弦波,用于驅(qū)動(dòng)交流異步電動(dòng)機(jī)實(shí)現(xiàn)無級(jí)調(diào)速。高頻逆變式整流焊機(jī)電源是一種高性能、高效、省材的新型焊機(jī)電源,替代了當(dāng)今焊機(jī)電源的發(fā)展方向。由于IGBT大容量模塊的商用化,這種電源更有著廣闊的應(yīng)用前景。逆變焊機(jī)電源大都采用交流-直流-交流-直流(AC-DC-AC-DC)變換的方法。50Hz交流電經(jīng)全橋整流變成直流,IGBT組成的PWM高頻變換部分將直流電逆變成20kHz的高頻矩形波,經(jīng)高頻變壓器耦合, 整流濾波后成為穩(wěn)定的直流,供電弧使用。模組電源被替換為一個(gè)模塊接口板。長寧區(qū)DCDC電源模塊價(jià)格表</p><p style="text-indent:25px">輸入電壓分交流輸入和直流輸入2種。長寧區(qū)DCDC電源模塊價(jià)格表</p><p style="text-indent:25px">環(huán)境溫度過高或散熱不良，使用模塊電源前，務(wù)必考慮電源系統(tǒng)模塊的溫度等級(jí)和實(shí)際發(fā)展需要的工作溫度變化范圍。根據(jù)負(fù)載功率和實(shí)際的環(huán)境以及溫度數(shù)據(jù)進(jìn)行降額設(shè)計(jì)。所述ZLG致遠(yuǎn)電子P_FLS-1W，降額標(biāo)記為如圖4中所示，從圖中，為-40?105工作溫度范圍℃，高溫高于85之后可以清楚地已知℃，需要降低功率使用，在曲線105℃，0.8W的較大允許輸出功率。在填充電源模塊中，由于具有良好的導(dǎo)熱性模塊，填充膠的溫度進(jìn)一步降低。每個(gè)模塊可以被嚴(yán)格測(cè)試，以確保高可靠性，包括功率測(cè)試中，為了分別消除不合格產(chǎn)品。與此相反，集成的解決方案將是測(cè)試更困難，因?yàn)檎麄€(gè)電源系統(tǒng)的電路與該系統(tǒng)的其它功能緊密接觸在一起。不同的供應(yīng)商管理可以通過按照現(xiàn)有的技術(shù)發(fā)展標(biāo)準(zhǔn)進(jìn)行設(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方式不同的選擇。各模塊的設(shè)計(jì)和測(cè)試都是按照規(guī)定的標(biāo)準(zhǔn)進(jìn)行，有利于降低使用新技術(shù)來承擔(dān)的風(fēng)險(xiǎn)。若采用集成式的解決中國方案，一旦電源供應(yīng)管理系統(tǒng)發(fā)展出現(xiàn)一些問題，便需要將整塊主機(jī)板更換；若采用不同模塊式的設(shè)計(jì)，只要將這些問題分析模塊更換便可，這樣有助節(jié)省成本及開發(fā)時(shí)間。長寧區(qū)DCDC電源模塊價(jià)格表</p><p style="text-indent:25px">上海多商電子有限公司主要經(jīng)營范圍是電工電氣，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。上海多商電子致力于為客戶提供良好的充電電源，ACDC電源模塊，DCDC電源模塊，大功率電源模塊，一切以用戶需求為中心，深受廣大客戶的歡迎。公司秉持誠信為本的經(jīng)營理念，在電工電氣深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造電工電氣良好品牌。上海多商電子立足于全國市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2619428.html</p></div></div></div></div></div><div id="fiea7cd" class="page-right twoColRt"><div id="gpbsopb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zny7drn" 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="80zags3" 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