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class="proBig"><div id="um8yus0" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637299954518642578/5104195.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="uigca0m" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637299954518642578/5104195.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="sw8simq" 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>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>湖南低壓直流屏定做,直流屏</p><p><span>***更新：</span>2020-12-23 08:08:25</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="u8eouqm" 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: </span>0286-61602525</p><p><span>地址: </span>成都市成華區(qū)羊子山路88號4棟2單元8樓16號</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="mqeu82o" class="page-proshow02"><p class="title">詳細說明</p><div id="sges88g" class="box"><p><p> 直流屏中整流模塊的特點是什么？ </p> <p> 三相交流輸入首先經(jīng)防雷處理和ＥＭＩ濾波?？梢杂行绽讚魵垑汉碗娋W(wǎng)尖峰，保證電源模塊后級電路的安全。 </p> <p> 三相交流經(jīng)整流和無源ＰＦＣ后轉(zhuǎn)換成高壓直流電，經(jīng)半橋ＰＷＭ電路后轉(zhuǎn)換為高頻交流，再經(jīng)高頻變壓器隔離降壓后高頻整流輸出。 </p> <p> 電源模塊控制部<span style="display:none;"></span>分負責ＰＷＭ信號產(chǎn)生及控制，保證輸出穩(wěn)定，湖南低壓直流屏定做，同時對電源模塊各部分進行保護，提供“四遙”接口。 </p> <p> 電源模塊監(jiān)控模塊參數(shù)設(shè)置、電源工作參數(shù)及狀態(tài)的檢測和顯示，湖南低壓直流屏定做、電源工作參數(shù)校準，湖南低壓直流屏定做，完成電源和主監(jiān)控器之間的通訊，實現(xiàn)四遙功能。直流系統(tǒng)是一個**的電源，它不受發(fā)電機、廠用電及系統(tǒng)運行方式的影響。湖南低壓直流屏定做</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南低壓直流屏定做,直流屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637299954518642578/5104195.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，短時間（一般是60/90分鐘）內(nèi)給負載提供交流應(yīng)急供電。所帶負載一般為應(yīng)急照明、金屬燈、風機、電梯、防火卷簾門等電氣設(shè)備。<p>直流屏兩路市電經(jīng)過交流切換輸入一路交流，給各個充電模塊供電。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，同時給合閘負載供電，另外合閘母線通過降壓裝置給控制母線供電。?<br>湖南低壓直流屏定做直流系統(tǒng)絕緣監(jiān)測單元是監(jiān)視直流系統(tǒng)絕緣情況一種裝置，實時監(jiān)測線路對地漏電阻，此數(shù)值根據(jù)具體情況設(shè)定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南低壓直流屏定做,直流屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637299954467968750/6802394.png"></div><p> 直流屏電源設(shè)備的日常管理 </p> <p> 一般直流屏電源設(shè)備在前期運輸過程中，是將屏體與電池分開進行包裝的，所以在設(shè)備安裝這一環(huán)節(jié)，應(yīng)該注重對于蓄電池以及直流屏的管理，避免碰觸蓄電池的極柱以及安全排氣閥，然后使用絕緣設(shè)備進行拆除包裝。在直流屏電源設(shè)備安裝時則要注意電池安裝所設(shè)置的安全距離，要保證蓄電池所在之處配備了良好的滅火裝置，將蓄電池與熱源相隔，比如變壓器、電源開關(guān)以及保險絲等，將安全距離控制在一米以上，以此來提升蓄電池安裝的安全度。 </p><p> 監(jiān)控在直流屏中的功能與作用 </p> <p> 電力電源監(jiān)控技術(shù)的日益成熟，為直流屏系統(tǒng)的穩(wěn)定運行以及監(jiān)測直流屏系統(tǒng)，所有中心部件的故障起到十分重要的作用: </p> <p> 性能齊全的檢測功能，可以精確的監(jiān)測系統(tǒng)各種運行參數(shù)，同時還可兼容通信逆變模塊； </p> <p> 嚴密的控制功能，包括對電池的智能化充放電管理(嚴格控制電池充電電壓電流，延長電池使用壽命)、智能型交流雙路自動切換、模塊開關(guān)機和電壓電流控制； </p> <p> 友好的人機界面，液晶顯示器(一個畫面可顯示20*15個漢字，也可顯示電池組的充放電曲線)，觸摸屏點觸式操作，全部漢字顯示，操作簡便，易于上手；讓直流屏電源設(shè)備能夠在設(shè)定活化周期內(nèi)實現(xiàn)自動化循環(huán)以及放電維護。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南低壓直流屏定做,直流屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637299954530488281/2197700.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，由充電單元對蓄電池進行充電的同時并向經(jīng)常性負載(繼電保護裝置、控制設(shè)備等)提供直流電源; </p> <p> 當控制負荷或動力負荷需較大的沖擊電流(如斷路器的分、合閘)時，由充電單元和蓄電池共同提供直流電源; </p> <p> 當變電所交流中斷時，由蓄電池組單獨提供直流電源; 開關(guān)量檢測單元是對開關(guān)量在線檢測及告警干節(jié)點輸出的一種設(shè)備。湖南低壓直流屏定做</p><p style="text-indent:25px">直流電電勢是穩(wěn)定的不過零點，在使用中不管什么時候分合閘都能保證有額定電壓能可靠的分合閘。湖南低壓直流屏定做</p><p> 直流系統(tǒng)的用途 </p> <p> 普遍應(yīng)用于水力、火力發(fā)電廠，各類變電站和其它使用直流設(shè)備的用戶(如發(fā)電廠、變電站、配電站、石化、鋼鐵、電氣化鐵路、房地產(chǎn)等)，為信號設(shè)備、保護、自動裝置、故障照明及斷路器分、合閘操作提供直流電源，它也同樣普遍的應(yīng)用于通信部門、計算機房、醫(yī)院、礦井、賓館，以及高層建筑的可靠應(yīng)急電源，用途十分普遍。還有直流系統(tǒng)的心臟是蓄電池，對蓄電池進行科學的維護是直流系統(tǒng)的中心工作。 </p> <p> 直流系統(tǒng)的組成 </p> <p> 直流系統(tǒng)主要由兩大部份組成。一部份是電池屏，另一部份是直流充電屏（直流屏）。電池屏就是一個可以擺放多節(jié)電池的機柜（800×600×2260）。電池屏中的電池一般是由2V-12V的電池以9節(jié)到108節(jié)串聯(lián)方式組成，對應(yīng)電的電壓輸出也就是110V或220V。目前使用的電池主要是閥控式密封免維護鉛酸電池。直流屏主要是由機柜、整流模塊系統(tǒng)、監(jiān)控系統(tǒng)、絕緣監(jiān)測單元、電池巡檢單元、開關(guān)量檢測單元、降壓單元及一系列的交流輸入、直流輸出、電壓顯示、電流顯示等配電單元。湖南低壓直流屏定做</p><p style="text-indent:25px">成都駿為巨達科技有限公司是一家建立全方面***、高科技、完善的客戶服務(wù)體系是公司為客戶服務(wù)的根本。公司理念“求實、進取”，遵奉“用戶至上、追求超越、良好服務(wù)、”的宗旨。為用戶提供高質(zhì)量的方案，良好的服務(wù)。為保障客戶高可靠性電力環(huán)境及機房環(huán)境而努力！的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。公司自創(chuàng)立以來，投身于電池系列，UPS產(chǎn)品，機房精密空調(diào)，是機械及行業(yè)設(shè)備的主力軍。駿為巨達科技公司始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。駿為巨達科技公司始終關(guān)注自身，在風云變化的時代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使駿為巨達科技公司在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2526932.html</p></div></div></div></div></div><div id="sqeswqc" class="page-right twoColRt"><div id="iesg0k0" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ce28soa" 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)" class="vcenter" 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