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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="j5phthb" 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>湖南萬正直流屏系統(tǒng),直流屏</p><p><span>***更新：</span>2021-01-25 01:06:40</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dbtdpff" 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="vrftttj" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="75hrvf7" class="box"><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，湖南萬正直流屏系統(tǒng)、變電站、配電站、石化、鋼鐵、電氣化鐵路、房地產(chǎn)等)，為信號(hào)設(shè)備、保護(hù)、自動(dòng)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(jì)算機(jī)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(duì)蓄電池進(jìn)行科學(xué)的維護(hù)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(gè)可以擺放多節(jié)電池的機(jī)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(duì)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(hù)鉛酸電池，湖南萬正直流屏系統(tǒng)。直流屏主要是由機(jī)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，湖南萬正直流屏系統(tǒng)。直流輸出電壓只能達(dá)到額定值的60%-70%，用萬用表測硅整流器輸入端三相電壓即可，處理后便可恢復(fù)正常。湖南萬正直流屏系統(tǒng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南萬正直流屏系統(tǒng),直流屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637299954535732422/9067683.png"></div><p> 帶微機(jī)控制的直流屏，增加了**監(jiān)控單元，使直流屏的介面更友好、操作、控制更簡單。 </p> <p> 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。、 </p> <p> 綜保繼電器、控制回路為什么要用直流而不用交流 </p> <p> 交流電是交變的，用在控制回路、單相控制，正好在分合閘或者故障跳閘情況下，那個(gè)點(diǎn)位正好在電勢0位，那就跳不掉或者合不上。 </p> <p> 如果交流電控制回路發(fā)生短路接地現(xiàn)象，則馬上就不能用了，必須跳開控制開關(guān)，要不肯定把控制回路或者控制電纜電器燒壞。湖南萬正直流屏系統(tǒng)使用直流電一般是220V（正負(fù)極對(duì)地分別是+110V -110V）這時(shí)候即使控制回路發(fā)生一點(diǎn)接地現(xiàn)象；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南萬正直流屏系統(tǒng),直流屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637299954543398438/8084759.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>好象沒有嚴(yán)格的分類（具體請(qǐng)查國家或行業(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。</p><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; 具有周全的系統(tǒng)設(shè)置功能，運(yùn)行信息查詢及各項(xiàng)告警等功能；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南萬正直流屏系統(tǒng),直流屏" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637299954511025391/6353889.png"></div><p> 系統(tǒng)中的各基礎(chǔ)監(jiān)控單元受主監(jiān)控的管理和控制，通過通訊線將各基礎(chǔ)監(jiān)控單元采集的信息送給主監(jiān)控統(tǒng)一管理。主監(jiān)控顯示直流系統(tǒng)各種信息，用戶也可觸摸顯示屏查詢信息及操作，系統(tǒng)信息還可以接入到遠(yuǎn)程監(jiān)控系統(tǒng)。 </p> <p> 直流屏除基礎(chǔ)的交流監(jiān)控、直流監(jiān)控、開關(guān)量監(jiān)控外，還可以配置絕緣監(jiān)測、電池巡檢功能，用來對(duì)直流系統(tǒng)進(jìn)行全方面監(jiān)控。 </p> <p> 直流屏什么是合母什么是控母有什么區(qū)別 </p> <p> 合母是交流（通常380）經(jīng)過充電模塊后的直流電壓大概是250-230V </p> <p> 而控母就是合母經(jīng)過降壓硅鏈（通常2035就是里面有5-7個(gè)繼電器進(jìn)行微降）后的**終電壓一般為220V左右也就是負(fù)載**終所需要的直流電 </p> <p> 當(dāng)然根據(jù)負(fù)載的不同需求合母控母都可以拿來用的 </p> <p> 直流屏控母和合母。分別為控制母線和合閘母線?？刂颇妇€提供持續(xù)的，較小負(fù)荷的直流電源，合閘母線提供瞬時(shí)較大的電源。 </p> <p> <br /> </p> <p> <br /> 一般直流屏電源設(shè)備在前期運(yùn)輸過程中，是將屏體與電池分開進(jìn)行包裝的。湖南萬正直流屏系統(tǒng)</p><p style="text-indent:25px">直流屏電源輸出紋波的大小與直流屏電源的輸出電壓電流有很大關(guān)系，直流屏電源功率越大紋波越大。湖南萬正直流屏系統(tǒng)</p><p> 直流屏：直流屏是直流操作電源系統(tǒng)的簡稱。通用名為智能免維護(hù)直流電源屏，簡稱直流屏，通用型號(hào)為GZDW（G─屏式Z─直流D─電力系統(tǒng)用W─微機(jī)監(jiān)控）。用于大中小型發(fā)電廠和變電站，為高壓開關(guān)在正常運(yùn)行和故障狀態(tài)下的分合閘、繼電保護(hù)、自動(dòng)控制、開關(guān)信號(hào)指示、故障照明等提供直流電源。 </p> <p> 直流屏的可靠性是其他電源裝置不可替代的，它能滿足變電站和發(fā)電廠這些場合對(duì)電源的高可靠性要求，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)。湖南萬正直流屏系統(tǒng)</p><p style="text-indent:25px">成都駿為巨達(dá)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(shí)、進(jìn)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(jī)房環(huán)境而努力！的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。駿為巨達(dá)科技公司深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的電池系列，UPS產(chǎn)品，機(jī)房精密空調(diào)。駿為巨達(dá)科技公司不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。駿為巨達(dá)科技公司始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使駿為巨達(dá)科技公司在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: 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