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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="txuirya" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393056976200049/2371556.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="thzr7mt" 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>河北DCDC電源模塊廠家有哪些,DCDC電源模塊</p><p><span>***更新：</span>2021-02-05 12:22:20</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="utli9xz" 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: </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="i88mta3" class="page-proshow02"><p class="title">詳細說明</p><div id="7hzrqh3" class="box"><p><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)濟和維護方便等優(yōu)點。已被大型計算機、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。在大功率場合，河北DCDC電源模塊廠家有哪些,如電鍍，河北DCDC電源模塊廠家有哪些，河北DCDC電源模塊廠家有哪些、電解電源、電力機車牽引電源、中頻感應(yīng)加熱電源、電動機驅(qū)動電源等領(lǐng)域也有廣闊的應(yīng)用前景。功率流由電源流向負載的稱為"整流"。河北DCDC電源模塊廠家有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北DCDC電源模塊廠家有哪些,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393056976200049/2371556.png"></div><p style="text-indent:25px">變頻器電源主要用于交流電機的變頻調(diào)速,其在電氣傳動系統(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)動交流異步電動機實現(xiàn)無級調(diào)速。高頻逆變式整流焊機電源是一種高性能、高效、省材的新型焊機電源,替代了當今焊機電源的發(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。嘉定區(qū)DCDC電源模塊哪家公司便宜DC/DC變換器現(xiàn)已實現(xiàn)模塊化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北DCDC電源模塊廠家有哪些,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393056914295106/3543053.png"></div><p style="text-indent:25px">dc-dc電源模塊通常都會發(fā)生的問題或故障，電壓輸入過高的問題導(dǎo)致故障發(fā)生，就是輸入的電壓過高，是因為輸出端的懸空或者是沒有負載，也有可能是因為輸出端負載太輕，如果輕與百分之十的額定負載也會導(dǎo)致，再來就是輸入的電壓偏高或者是電壓受到干擾，這些問題都是導(dǎo)致電壓輸入過高的源頭。如同電壓輸入過高，如果電壓輸出過低也可能導(dǎo)致問題的出現(xiàn)。這能導(dǎo)致整體系統(tǒng)不能正常的工作，就例如微控制器系統(tǒng)中，負載會突然增大，從而會拉低微控制器所供電電壓，就容易造成復(fù)位。是因為輸入的電壓不足，或者是功率不足。其次是輸出線路過長或者過細又或者是輸入端的防反接二極管壓降太大導(dǎo)致。如果輸出的紋波聲過大的話，也就證明這是一塊劣質(zhì)的電源模塊。噪音是衡量電源模塊好壞的一大關(guān)鍵指標。如果發(fā)出噪聲的話這個電源模塊還是不要用為好。通常造成噪聲過大原因就是電源模塊與主電路噪聲敏感元件距離比較近，還有主電路的噪聲敏感元件的電源輸入端出沒有接去耦電容。還有電線處理不合格等等這些原因都會導(dǎo)致問題的出現(xiàn)。</p><p style="text-indent:25px">DC-DC電源模塊有多種封裝形式，不僅滿足國際標準的要求，而且符合國內(nèi)要求，需要在一般原則下進行篩選。通常在選擇電源模塊封裝時，需要做以下三個方面的工作。在一定的功率條件下，必須確保體積越小越好。在封裝過程中，體積縮小意味著空間的擴大，以便為系統(tǒng)的其他部分提供更多的空間，并確保功能的完整性。在封裝選擇上，我們應(yīng)該盡量選擇符合國際標準的產(chǎn)品。因為國際標準是針對全球制造商和要求的，所以要求很高，兼容性性能比較好。此外，世界上有很多采用這一標準的制造商，在選擇供應(yīng)方面有更廣闊的選擇空間，這不會造成選擇的局限性。在選擇封裝時，應(yīng)注重可擴展產(chǎn)品，以便于今后系統(tǒng)的擴展和升級。在滿足國際要求的基礎(chǔ)上，目前工業(yè)上普遍采用的包裝方式是半磚和全磚包裝。這兩種包裝方式完全可以與國際**品牌Vicor、Lambda等兼容。一般來說，國際上半磚產(chǎn)品的功率覆蓋范圍為50 W/200 W，而全磚產(chǎn)品的功率覆蓋范圍為100 W/300 W，可以滿足國內(nèi)和大多數(shù)國際產(chǎn)品的要求。在DC-DC變換器功率模塊封裝選擇過程中，只要能遵循國際標準和擴展性要求的兩個前提，一般都很容易找到適合產(chǎn)品的封裝形式。直流斬波器起到有效地控制電網(wǎng)側(cè)諧波電流噪聲的作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北DCDC電源模塊廠家有哪些,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393056924431868/869235.png"></div><p style="text-indent:25px">模塊電源是可以直接就安裝在印刷電路板上，不管是數(shù)字負載還是模擬負載都可以運用，供電效果佳。本身就具備可靠安全的特點。不僅小體積并且功率密度、轉(zhuǎn)換效率高。這也是電源模塊的設(shè)計簡單，所以運用普遍的主要原因。工業(yè)領(lǐng)域，包括電氣行業(yè)，工業(yè)自動化控制等，所有這些都是需要工業(yè)電源模塊，以滿足小尺寸，高效率，低EMI等，以確保工業(yè)設(shè)備的可靠性高，穩(wěn)定的運行。工業(yè)儀表是指氣體、液體渦輪流量計、電磁流量計等流量計量儀表及壓力開關(guān)、差壓開關(guān)等儀器，這些不同場合我們需要一個電源系統(tǒng)供電。智能家居行業(yè)涉及互聯(lián)網(wǎng)應(yīng)用，控制中心，智能開關(guān)，插座，智能調(diào)光，家電控制，空調(diào)控制，門禁，安防，監(jiān)控等應(yīng)用。對于動力產(chǎn)品要求體積小，節(jié)能，工作不間斷，安全可靠。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。黃浦區(qū)DCDC電源模塊制造廠家</p><p style="text-indent:25px">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。河北DCDC電源模塊廠家有哪些</p><p style="text-indent:25px">溫度過高，模塊電源調(diào)節(jié)器在工作中全過程中發(fā)燙，造成溫度上升時正常跡象，若溫度過高，變壓器鐵芯和電磁線圈非常容易因溫度造成模塊電源感量的變化。因此在選擇電源模塊時，需了解模塊電源調(diào)節(jié)器工作中的工作溫度來采用規(guī)格型號適度的模塊電源調(diào)節(jié)器。電磁場干擾，模塊電源感器在工作中是因為有模塊電源流流通而在周圍造成電磁場。別的元器件的放置部位應(yīng)盡可能模塊電源感器或與模塊電源感電磁線圈互成直角，以減少干擾。若需求較高，則可改用帶屏蔽罩的模塊電源調(diào)節(jié)器。遍布模塊電源容，模塊電源調(diào)節(jié)器個層電磁線圈中間，會造成遍布模塊電源容積，減少模塊電源調(diào)節(jié)器的實際濾波效果，因此，在履行模塊電源調(diào)節(jié)器開展高頻率過濾的那時候要格外細致。模塊電源感值的精確測量，用儀表盤精確測量模塊電源感值與Q之時進行測量，檢測導(dǎo)線應(yīng)盡可能挨近模塊電源感器，以求統(tǒng)計數(shù)據(jù)準確。河北DCDC電源模塊廠家有哪些</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3176649.html</p></div></div></div></div></div><div id="oplixt8" class="page-right twoColRt"><div id="7vxug77" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="p2isyqy" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" 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