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id="r2b8ul7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393066669679636/9325936.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ztahoq7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393066669679636/9325936.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="yx27w3m" 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)品關鍵詞：</span>虹口區(qū)充電電源廠,充電電源</p><p><span>***更新：</span>2020-11-13 02:21:12</p><p><span id="click" >瀏覽次數(shù)：7次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="g3fubiu" 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="3moqs8o" class="page-proshow02"><p class="title">詳細說明</p><div id="hbd3rwi" class="box"><p><p style="text-indent:25px">開關電源中應用的電子電力器件主要為快恢復二極管、肖特基二極管、和MOSFET。SCR在開關電源輸入整流電路及軟啟動電路中有少量應用，虹口區(qū)充電電源廠。開關電源的三大特征：開關：電力電子器件工作在開關狀態(tài)而不是線性狀態(tài)高頻：電力電子器件工作在高頻而不是接近工頻的低頻直流：開關電源輸出的是直流而不是交流，虹口區(qū)充電電源廠。開關電源的種類：分類方法多種多樣。分為AC/DC和DC/DC兩大類，DC/DC變換器現(xiàn)已實現(xiàn)模塊化，虹口區(qū)充電電源廠，且設計技術及生產(chǎn)工藝在國內(nèi)均已成熟和標準化，并已得到用戶的認可。良好的熱設計可延長電源模塊和其周圍元器件的使用壽命。虹口區(qū)充電電源廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="虹口區(qū)充電電源廠,充電電源" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393066669679636/9325936.png"></div><p style="text-indent:25px">電源模塊的優(yōu)點：設計簡單，目前市場上種類繁多，有AC-DC、DC-DC、高壓等模塊，只需選擇適合的一款電源模塊，配上少量分立元件即可使用。模塊內(nèi)部高集成電路，使設計更加緊湊，供應商還可以提供專業(yè)的技術支持和系統(tǒng)解決方案。與分立式較大的分別是廠商可以提供模型、外圍電路、模塊各參數(shù)曲線等重要數(shù)據(jù)。節(jié)省成本和時間，電源模塊有多種輸入輸出選擇，并且可以重復加或交叉加，構(gòu)成積木式組合電源，從而實現(xiàn)多路輸入輸出。相比分立式，調(diào)試更加簡單安全，使設計應用簡化，縮短開發(fā)時間。虹口區(qū)充電電源廠在進行充電模塊電源的選擇時，工程師往往需要進行成本、封裝、功率等方面的綜合比較。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="虹口區(qū)充電電源廠,充電電源" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393063846009177/1854655.png"></div><p style="text-indent:25px">我們需要保證溫度范圍不僅要滿足工作實際需求，還要略有余量。不同的產(chǎn)品型號對于溫度范圍的要求是各不相同的，工程師在進行充電電源模塊溫度范圍選擇時，需要在較高溫度、較低溫度的上限以上進行考慮，以免出現(xiàn)溫度升高或降低之后系統(tǒng)性能不穩(wěn)定的情況。在滿足個條件的情況下，如果工程師出于對成本的控制問題，而選擇了較小溫度范圍的產(chǎn)品，那么就需要選擇功率或封裝更大一些的產(chǎn)品，這樣可以讓溫升降低一些，能夠從一定程度上緩解這一矛盾。從溫度范圍入手，進行模塊電源的綜合比較，可以幫助工程師快速決定封裝模式并進行成本預算，是一種比較方便快捷的挑選方法。</p><p style="text-indent:25px">人們在開關電源技術領域是邊開發(fā)相關的電力電子器件，邊開發(fā) 開關變頻技術，兩者相互促進推動著開關電源每年以超過兩位數(shù)字的增長率向著輕、小、薄、低噪聲、高可靠、抗干擾的方向發(fā)展。開關電源可分為AC/DC和DC/DC兩大類，DC/DC變換器現(xiàn)已實現(xiàn)模塊化，且設計技術及生產(chǎn)工藝在國內(nèi)外均已成熟和標準化，并已得到用戶的認可，但AC/DC的模塊化，因其自身的特性使得在模塊化的進程中，遇到較為復雜的技術和工藝制造問題。以下分別對兩類開關電源的結(jié)構(gòu)和特性作以闡述。電源模塊基于開關電源技術，采用較好的原材料，結(jié)合特殊的模塊化生產(chǎn)工藝制作而成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="虹口區(qū)充電電源廠,充電電源" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393063883948879/9015043.png"></div><p style="text-indent:25px">直流電源模塊，大功率開關型高壓直流電源應用于靜電除塵、水質(zhì)改良、醫(yī)用X光機和CT機等大型設備。電壓高達50~l59kV，電流達到0.5A以上，功率可達100kW。國內(nèi)對靜電除塵高壓直流電源進行了研制，市電經(jīng)整流變?yōu)橹绷鳎捎萌珮蛄汶娏鏖_關串聯(lián)諧振逆變電路將直流電壓逆變?yōu)楦哳l電壓，然后由高頻變壓器升壓，整流為直流高壓。在電阻負載條件下，輸出直流電壓達到55kV，電流達到15mA，工作頻率為25.6kHz。分布式電源供電系統(tǒng)采用小功率模塊和大規(guī)?？刂萍呻娐纷骰静考?，利用較新理論和技術成果，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。直流開關電源由輸入部分、功率轉(zhuǎn)換部分、輸出部分、控制部分組成。河北充電電源定制</p><p style="text-indent:25px">電源模塊是可以直接貼裝在印刷電路板上的電源供應器。虹口區(qū)充電電源廠</p><p style="text-indent:25px">高頻開關電源既可單機工作完成各種基本功能，又可并聯(lián)組合工作，并具有良好的并機均流效果。高頻開關直流電源通過與微機連接，可實現(xiàn)"遙測、遙信、遙控、遙調(diào)"四遙功能。高頻開關直流電源具備完善的保護功能，保證模塊或模塊組**運行和微機監(jiān)控下系統(tǒng)的安全、穩(wěn)定。高頻開關直流電源模塊采用總線采樣主、從均流控制方式。在并機運行時，高頻開關直流電源模塊組中能自動選出一臺主模塊，將分流器采集到的電流、電壓等外部參數(shù)進行處理，集中控制每一臺模塊的輸出電壓、電流。從而，即使在小電流時，也能得到較好的均流效果.虹口區(qū)充電電源廠</p><p style="text-indent:25px">上海多商電子有限公司致力于電工電氣，是一家生產(chǎn)型公司。公司業(yè)務涵蓋充電電源，ACDC電源模塊，DCDC電源模塊，大功率電源模塊等，價格合理，品質(zhì)有保證。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于電工電氣行業(yè)的發(fā)展。上海多商電子秉承“客戶為尊、服務為榮、創(chuàng)意為先、技術為實”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1965348.html</p></div></div></div></div></div><div id="wqipr3o" class="page-right twoColRt"><div id="eylb3bd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xhelxev" 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" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="ujqip2w" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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