閔行區(qū)DCDC電源模塊一般多少錢來電咨詢上海多商電子供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="DC/DC變換是將可變的直流電壓變換成固定的直流電壓，也稱為直流斬波。斬波器的工作方式有兩種，一是脈寬調(diào)制方式Ts不變，改變ton(通用)，二是頻率調(diào)制(Buck電路--降壓斬波器，其輸出平均電壓U0小于輸入電壓Ui，極性相同。Boost電"><meta name="keywords" content="閔行區(qū)DCDC電源模塊一般多少錢,DCDC電源模塊"><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 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href="http://www.cdcfah.com/">首頁?<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_kgdy/">開關(guān)電源</a>?閔行區(qū)DCDC電源模塊一般多少錢來電咨詢上海多商電子供應(yīng)</p><div id="w4umkyw" class="leftbox clearfix"><h1>閔行區(qū)DCDC電源模塊一般多少錢來電咨詢上海多商電子供應(yīng)</h1><div id="wgekouq" class="proBig"><div id="ik2ka2y" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057031542665/4786685.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="siy4s42" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057031542665/4786685.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gcs0may" 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>閔行區(qū)DCDC電源模塊一般多少錢,DCDC電源模塊</p><p><span>***更新：</span>2021-01-28 11:19:57</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="sg2aigm" 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="awckous" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="20oeki4" class="box"><p><p style="text-indent:25px">DC/DC變換是將可變的直流電壓變換成固定的直流電壓，也稱為直流斬波。斬波器的工作方式有兩種，一是脈寬調(diào)制方式Ts不變，改變ton(通用)，二是頻率調(diào)制(Buck電路--降壓斬波器，其輸出平均電壓U0小于輸入電壓Ui，極性相同。Boost電路--升壓斬波器，閔行區(qū)DCDC電源模塊一般多少錢，其輸出平均電壓U0大于輸入電壓Ui，極性相同。Buck-Boost電路--降壓或升壓斬波器，其輸出平均電壓U0大于或小于輸入電壓Ui，極性相反，電感傳輸。Cuk電路--降壓或升壓斬波器，其輸出平均電壓U0大于或小于輸入電壓Ui，閔行區(qū)DCDC電源模塊一般多少錢，極性相反，電容傳輸。還有Sepic、Zeta電路。非隔離型DC-DC變換器電路，隔離型DC-DC變換器有正激電路，閔行區(qū)DCDC電源模塊一般多少錢、反激電路、半橋電路、全橋電路、推挽電路。模塊電源具有抗干擾能力強(qiáng)，自帶保護(hù)功能，便于集成。閔行區(qū)DCDC電源模塊一般多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="閔行區(qū)DCDC電源模塊一般多少錢,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057031542665/4786685.png"></div><p style="text-indent:25px">電源模塊作用：安全隔離，強(qiáng)電弱隔離，IGBT驅(qū)動器隔離，隔離電涌保護(hù)，雷電隔離保護(hù)。噪聲進(jìn)行隔離，模擬控制電路與數(shù)字系統(tǒng)電路隔離、強(qiáng)弱信號隔離。以消除接地環(huán)路，遠(yuǎn)程信號傳輸，分布式供電系統(tǒng)。第二，保護(hù)作用：短路保護(hù)，過電壓保護(hù)，過流保護(hù)，其他保護(hù)三個電壓轉(zhuǎn)換：升壓轉(zhuǎn)換，下轉(zhuǎn)換，AC-DC轉(zhuǎn)換（AC / DC，DC / AC），極性轉(zhuǎn)換單個電源和正，負(fù)電源轉(zhuǎn)換器，具有多個電源轉(zhuǎn)換單電源。穩(wěn)壓交流市電供電、遠(yuǎn)程控制直流供電、分布式電源模塊供電管理系統(tǒng)、電池供電。有效地能降低噪音。閔行區(qū)DCDC電源模塊一般多少錢模塊電源價(jià)格較高，并占用一定空間和重量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="閔行區(qū)DCDC電源模塊一般多少錢,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393056976200049/2371556.png"></div><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、過流和過壓保護(hù)、噪聲濾波等電路。輸出采樣電路(R1、R2)檢測輸出電壓的變化，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。</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。在一些特殊場合機(jī)械振動強(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)烈振動應(yīng)力而斷裂，導(dǎo)致模塊電源工作失效，這時必須在焊接的基礎(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（對于有螺孔模塊）將模塊與機(jī)箱、大線路板等相對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，模塊電源也才會被更普遍地采用。高頻小型化的開關(guān)電源及其技術(shù)已成為現(xiàn)代通信供電系統(tǒng)的主流。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="閔行區(qū)DCDC電源模塊一般多少錢,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057001385962/7188392.png"></div><p style="text-indent:25px">功率輕負(fù)載，即一個電源電路負(fù)載阻抗相對較大，則負(fù)載電流的功率輸出相對較小。一些電源電路不允許輕負(fù)載，否則會使電源電路輸出的直流電壓上升到電源電路的傷害。通常，功率模塊具有較小負(fù)載的限制，制造商是不同的，通常約10％。如果沒有輸出進(jìn)行負(fù)載太輕，建議在輸出端并聯(lián)作為一個假負(fù)載電阻。電源的過載，與電源的輕負(fù)載相反，是電源電路的負(fù)載電路發(fā)生短路，使電源電路輸出大電流，超過電源所能承受的范圍。對于沒有過流保護(hù)的電源模塊，輸出穩(wěn)壓、過壓和過流保護(hù)的較簡單方法是將具有過流保護(hù)的線性調(diào)節(jié)器調(diào)壓器連接到輸入端。使電源的溫度值趨近于較小值。閔行區(qū)DCDC電源模塊一般多少錢</p><p style="text-indent:25px">DC/DC變換器現(xiàn)已實(shí)現(xiàn)模塊化。閔行區(qū)DCDC電源模塊一般多少錢</p><p style="text-indent:25px">對有TRIM或ADJ(可調(diào)節(jié)1輸出引腳的模塊電源，可通過電阻或電位器對輸出電壓進(jìn)行一定范圍內(nèi)的調(diào)節(jié)，調(diào)節(jié)范圍一般為±10％。對TRIM輸出引腳，將電位器的中心與TRIM相連，在所有+S、-S管腳的模塊中，其他兩端分別接+S、-S。沒有+S、-S時，將兩端分別接到相應(yīng)主路的輸出正負(fù)極(+S接+ ，-S接-UIN)，然后調(diào)節(jié)電位器即可。電位器的阻值一般選用5～10 kΩ比較合適。對ADJ輸出引腳．分為輸入邊調(diào)節(jié)與輸出邊節(jié)。輸出邊調(diào)節(jié)與TRIM引腳的調(diào)節(jié)方式一樣。輸入邊調(diào)節(jié)只能上調(diào)輸出電壓．此時將電位器的其中一端與中心相接，另一端接輸入端的地。一般模塊電源都有內(nèi)置濾波器，能滿足一般電源應(yīng)用的要求。如果需要更高要求的電源系統(tǒng)，應(yīng)增加輸入濾波網(wǎng)絡(luò)。可以采用LC或Ⅱ型網(wǎng)絡(luò)，但應(yīng)注意盡量選擇較小的電感和較大的電容。為了防止輸人電源瞬態(tài)高壓損壞模塊電源，建議用戶在輸人端接瞬態(tài)吸收二極管并配合保險(xiǎn)絲使用．以確保模塊在安全的輸入電壓范圍之內(nèi)。為了降低共模噪聲，可以增加電容，一般選擇幾nF的高頻電容。閔行區(qū)DCDC電源模塊一般多少錢</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3050817.html</p></div></div></div></div></div><div id="mai8s2u" class="page-right twoColRt"><div id="2maq4io" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="aq2iy4y" 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" 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