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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="eysj2rr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637299954530488281/2197700.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="tsuwdz7" 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>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖南艾默生直流屏生產(chǎn)商,直流屏</p><p><span>***更新：</span>2020-09-04 20:14:10</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="nr39cel" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都駿為巨達(dá)科技有限公司</a></p><p><span>聯(lián)系人：</span>金鐘</p><p><span>郵箱: </span>1153683998@qq.com</p><p><span>電話: </span>13350099229</p><p><span>傳真: </span>0286_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0286-61602525</p><p><span>地址: </span>成都市成華區(qū)羊子山路88號(hào)4棟2單元8樓16號(hào)</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="33hj77e" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="b7ls8ho" class="box"><p><p> 直流屏電源屏有哪些作用？ </p> <p> 直流屏的作用就是將交流電變壓-整流，成為直流電，并儲(chǔ)存在蓄電池組中，另外還有直流配電輸出。隨著計(jì)算機(jī)技術(shù)和通信技術(shù)的快速發(fā)展，電力系統(tǒng)逐漸向著綜合自動(dòng)化，湖南艾默生直流屏生產(chǎn)商、網(wǎng)絡(luò)化集中管理以及電站或電廠無(wú)人值守的方向發(fā)展。而這種自動(dòng)化系統(tǒng)對(duì)不安全憂患的就需要采取一定的措施，湖南艾默生直流屏生產(chǎn)商。作為電力系統(tǒng)的重要組成部分，直流屏應(yīng)用大量科學(xué)技術(shù)，選擇高性能綜合控制器對(duì)直流屏的每個(gè)運(yùn)行環(huán)節(jié)進(jìn)行監(jiān)控；選擇電池巡檢單元以保證蓄電池（蓄電池可保證系統(tǒng)在斷電情況下或是直流電源系統(tǒng)本身?yè)p壞而出現(xiàn)斷電情況下正常運(yùn)作）的電壓正常，如有發(fā)現(xiàn)蓄電池惡化現(xiàn)象，可及時(shí)處理，這樣就算在斷電情況下，仍能向外及時(shí)提供直流電源，避免故障發(fā)生； </p> <p> <br /> </p> <p> <br /> 運(yùn)行監(jiān)控人員應(yīng)詳細(xì)記錄直流屏的運(yùn)行情況，電流，湖南艾默生直流屏生產(chǎn)商，電壓等，有問(wèn)題應(yīng)及時(shí)處理。湖南艾默生直流屏生產(chǎn)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南艾默生直流屏生產(chǎn)商,直流屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637299954530488281/2197700.png"></div><p style="text-indent:25px"><p>直流屏有哪幾種,起什么作用<p>直流屏作為操作電源和信號(hào)顯示報(bào)警，為較大較復(fù)雜的高低壓（高壓更常用）配電系統(tǒng)的自動(dòng)或電動(dòng)操作提供電能源，另可以與**信號(hào)屏綜合設(shè)計(jì)在一起。<p>好象沒(méi)有嚴(yán)格的分類（具體請(qǐng)查國(guó)家或行業(yè)標(biāo)準(zhǔn)）。<p>直流屏組成：交流電源、整流裝置、充電（穩(wěn)流+穩(wěn)壓）機(jī)、蓄電池組、直流配電系統(tǒng)。<p>直流屏分類：按整流裝置的單/雙，充電機(jī)的單雙、充電機(jī)的穩(wěn)流/穩(wěn)壓以及雙功能自動(dòng)/手動(dòng)轉(zhuǎn)換、蓄電池組的種類（多用免維護(hù)鎳鎘蓄電池）、蓄電池容量、蓄電池單組/雙組、蓄電池放電倍率（分高、中、低倍率）、配電裝置（按設(shè)計(jì)要求制作）。<p>上述“分類”是根據(jù)用戶工程需要進(jìn)行選擇，功能的不同或配置不同，其造價(jià)出入很大。湖南艾默生直流屏生產(chǎn)商直流屏電源設(shè)備的日常保養(yǎng)與維護(hù)也是十分必要的，可以提升直流屏電源設(shè)備的使用壽命；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南艾默生直流屏生產(chǎn)商,直流屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637299954549804688/2859341.png"></div><p style="text-indent:25px"><p>直流屏的作用<p>直流屏提供直流電DC220V、48V等等，主要的作用是給高低壓開(kāi)關(guān)設(shè)備提供直流分合閘操作電源，及電力儀器儀表控制電源、臨時(shí)照明等作用。應(yīng)急電源提供交流電AC380/220。主要作用是在市電斷電后，短時(shí)間（一般是60/90分鐘）內(nèi)給負(fù)載提供交流應(yīng)急供電。所帶負(fù)載一般為應(yīng)急照明、金屬燈、風(fēng)機(jī)、電梯、防火卷簾門等電氣設(shè)備。<p>直流屏兩路市電經(jīng)過(guò)交流切換輸入一路交流，給各個(gè)充電模塊供電。直流屏充電模塊將輸入三相交流電轉(zhuǎn)換為直流電，給蓄電池充電，同時(shí)給合閘負(fù)載供電，另外合閘母線通過(guò)降壓裝置給控制母線供電。?<br></p><p>盤柜安裝作業(yè)程序</p><p>直流屏在卸裝、搬運(yùn)過(guò)程中應(yīng)該設(shè)專人負(fù)責(zé)統(tǒng)一指揮，指揮人員發(fā)出的指揮信號(hào)必須清晰、準(zhǔn)確，搬運(yùn)過(guò)程應(yīng)緩慢移動(dòng)，防止嚴(yán)重的沖擊和震蕩，以免損壞柜體、構(gòu)件或傷人。</p><p>對(duì)于易脫落、難固定或者容易傾倒損壞的門、屏柜內(nèi)的設(shè)備等，一般應(yīng)拆下分開(kāi)運(yùn)輸。</p><p>直流屏的固定宜采用螺栓連接，應(yīng)注意不得損傷屏體。</p><p>實(shí)施電焊時(shí)，應(yīng)注意防止弧光傷害周圍人員的眼睛，必要時(shí)候可在周圍設(shè)置擋光屏。</p><p>在潮濕的地方進(jìn)行電焊工作，焊工必須站在干燥的木板上或穿絕緣鞋直流輸出電壓只能達(dá)到額定值的60%-70%，用萬(wàn)用表測(cè)硅整流器輸入端三相電壓即可，處理后便可恢復(fù)正常。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南艾默生直流屏生產(chǎn)商,直流屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637299954555849609/6075488.png"></div><p> 直流屏的系統(tǒng)組成 </p> <p> 按功能分：交流輸入單元、充電單元、微機(jī)監(jiān)控單元、電壓調(diào)整單元、絕緣監(jiān)察單元、直流饋電單元、蓄電池組、電池巡檢單元等; </p> <p> 按屏分：充電柜、饋電柜及電池柜等； </p> <p> 直流屏的工作原理 </p> <p> 正常情況下，由充電單元對(duì)蓄電池進(jìn)行充電的同時(shí)并向經(jīng)常性負(fù)載(繼電保護(hù)裝置、控制設(shè)備等)提供直流電源; </p> <p> 當(dāng)控制負(fù)荷或動(dòng)力負(fù)荷需較大的沖擊電流(如斷路器的分、合閘)時(shí)，由充電單元和蓄電池共同提供直流電源; </p> <p> 當(dāng)變電所交流中斷時(shí)，由蓄電池組單獨(dú)提供直流電源; 直流屏的作用就是將交流電變壓-整流，成為直流電，并儲(chǔ)存在蓄電池組中，另外還有直流配電輸出。湖南艾默生直流屏生產(chǎn)商</p><p style="text-indent:25px">直流屏由整流模塊系統(tǒng)、配電單元、降壓?jiǎn)卧?、電池巡檢單元、開(kāi)關(guān)量檢測(cè)單元、監(jiān)控系統(tǒng)、絕緣監(jiān)測(cè)單元組成。湖南艾默生直流屏生產(chǎn)商</p><p style="text-indent:25px">發(fā)電廠和變電站中的電力操作電源現(xiàn)今采用的都是直流電源，它為控制負(fù)荷和動(dòng)力負(fù)荷以及直流故障照明負(fù)荷等提供電源，是當(dāng)代電力系統(tǒng)控制、保護(hù)的基礎(chǔ)。直流屏由交配電單元、充電模塊單元、降壓硅鏈單元、直流饋電單元、配電監(jiān)控單元、監(jiān)控模塊單元及絕緣監(jiān)測(cè)單元組成。主要應(yīng)用于電力系統(tǒng)中小型發(fā)電廠、水電站、各類變電站，和其他使用直流設(shè)備的用戶（如石化、礦山、鐵路等），適用于開(kāi)關(guān)分合閘及二次回路中的儀器、儀表、繼電保護(hù)和故障照明等場(chǎng)合。<span style="display:none;"></span>湖南艾默生直流屏生產(chǎn)商</p><p style="text-indent:25px">成都駿為巨達(dá)科技有限公司主要經(jīng)營(yíng)范圍是機(jī)械及行業(yè)設(shè)備，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司業(yè)務(wù)涵蓋電池系列，UPS產(chǎn)品，機(jī)房精密空調(diào)，等，價(jià)格合理，品質(zhì)有保證。公司從事機(jī)械及行業(yè)設(shè)備多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。駿為巨達(dá)科技公司憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/1157965.html</p></div></div></div></div></div><div id="7nr8ahj" class="page-right twoColRt"><div id="eikh7zq" class="box01 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