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id="s8qo0kq" class="proBig"><div id="cksyc0i" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xjsjtx/637250683562041015/3728686.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dzhflp3" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xjsjtx/637250683562041015/3728686.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jqzlj35" 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>新疆維吾爾自治區(qū)</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>昌吉ups電源多少錢一個(gè)</p><p><span>***更新：</span>2020-05-26 00:48:47</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="wbrzx0y" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新疆世紀(jì)同心電子科技有限公司</a></p><p><span>聯(lián)系人：</span>鄧輝</p><p><span>郵箱: </span>57784933@qq.com</p><p><span>電話: </span>13999400610</p><p><span>傳真: </span>0991_3727350</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0991-3700308</p><p><span>地址: </span>烏魯木齊經(jīng)開區(qū)廬山街696號絲綢之路交易中心2號樓7樓</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="58hbjdh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="byv3ubj" class="box"><p><p> 傳統(tǒng)UPS不間斷電源是在線工作方式，無論市電正常與否均通過逆變器、蓄電池向負(fù)載供電。因此有能耗，昌吉ups電源多少錢一個(gè)、有噪音，影響設(shè)備及電池的使用壽命。二、內(nèi)部裝置不同EPS消防應(yīng)急電源由逆變器、整流/充電器、蓄電池、隔離變壓器、控制器、轉(zhuǎn)換單元等主要部件組成。UPS不間斷電源因工作方式和適用場合與EPS應(yīng)急電源不同，因此沒有轉(zhuǎn)換單元裝置。UPS電源高頻機(jī)沒有隔離變壓器。三，昌吉ups電源多少錢一個(gè)、適用負(fù)載種類不同EPS消防應(yīng)急電源屬消防類設(shè)備，應(yīng)適用于感性負(fù)載(如氣體放電燈、熒光燈、電機(jī)類)和阻性負(fù)載(如白熾燈)。UPS不間斷電源用于計(jì)算機(jī)類設(shè)備，只適用于容性負(fù)載。四、選型配置不同國標(biāo)GB17945-2000中特別規(guī)定，“應(yīng)急電源裝置應(yīng)至少能在120%條件下正常工作”，除了蓄電池配置相應(yīng)增加外，逆變器的容量也應(yīng)至少加大，在感性消防負(fù)載氣體放電的點(diǎn)燈啟動瞬間的啟動電流較大，UPS不間斷電源必須以數(shù)倍額定容量配置。五、元器件選用要求不同由于EPS應(yīng)急電源屬于消防類設(shè)備，其工作條件要求較苛刻，國標(biāo)GB17945-2000中第、、、、℃、低溫-25℃試驗(yàn)和恒定濕熱、振動，昌吉ups電源多少錢一個(gè)、沖擊等試驗(yàn)?！墩袠?biāo)文件》第“裝置內(nèi)所有元器件和材料應(yīng)具有阻燃或不燃特性”。UPS不間斷電源通常置于計(jì)算機(jī)房等空調(diào)場所。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昌吉ups電源多少錢一個(gè)" src="https://tyunfile.71360.com/UploadFile/xjsjtx/637250683562041015/3728686.jpg"></div><p> 什么是UPS不間斷電源(UninterruptiblePowerSupply)。其功能為保護(hù)貴重的儀器設(shè)備，延長緊急安全逃生設(shè)備之電力，避免電力中斷或電力不穩(wěn)的現(xiàn)象減短設(shè)備的壽命，防止電源的高突波危害與損壞設(shè)備等。UPS的種類后備式UPS、在線式UPS、在線互動式UPS。后備式UPS：采用抗干擾分級調(diào)壓穩(wěn)壓技術(shù)，當(dāng)市電供應(yīng)正?；螂妷鹤兓瘯r(shí)，均能向負(fù)載提供高頻干擾的穩(wěn)壓電源，當(dāng)電網(wǎng)供電故障時(shí)，電池逆變供電需要4-10ms轉(zhuǎn)化時(shí)間，對于一些對供電質(zhì)量要求較高的設(shè)備來說不太合適。在線式UPS：電網(wǎng)供電故障時(shí),UPS的輸出不需要開關(guān)轉(zhuǎn)換時(shí)間，其負(fù)載電能供應(yīng)平滑穩(wěn)定。一般用在金融、證券即電信等部門。在線互動式UPS：集中后備式UPS效率高和在線式UPS供電質(zhì)量高的優(yōu)點(diǎn)，但穩(wěn)頻特性不理想，不適合做常延時(shí)的UPS電源。UPS電池UPS之所以能夠在斷電后，繼續(xù)為計(jì)算機(jī)等設(shè)備供電，就是因?yàn)樗睦锩嬗幸环N儲存電能的裝置在起作用，這種儲能的裝置就是UPS電池。其主要功能是：(1)當(dāng)市電正常時(shí)，將電能轉(zhuǎn)換成化學(xué)能儲存在電池內(nèi)部。(2)當(dāng)市電故障時(shí)，將化學(xué)能轉(zhuǎn)換成電能提供給逆變器或負(fù)載。UPS電池的優(yōu)劣直接關(guān)系到整個(gè)UPS系統(tǒng)的可靠程度，然而蓄電池卻又是整個(gè)UPS系統(tǒng)中平均無故障時(shí)間。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昌吉ups電源多少錢一個(gè)" src="https://tyunfile.71360.com/UploadFile/xjsjtx/637250683620537109/6466055.jpg"></div><p> 經(jīng)濾波后供給逆變器；第二，給蓄電池提供充電電壓，起到一個(gè)充電器的作用；逆變器：將直流電（DC）轉(zhuǎn)化為交流電（AC），供給負(fù)載使用；蓄電池：UPS用來作為儲存電能的裝置，使其在市電斷電時(shí)，可以將直流電逆變后，為負(fù)載提供不間斷電源。其容量大小決定了其維持放電（供電）的時(shí)間；靜態(tài)開關(guān)：又稱靜止開關(guān)，是用兩個(gè)可控硅（SCR）反向并聯(lián)組成的一種交流開關(guān)，其閉合和斷開由邏輯控制器控制；隔離變壓器、穩(wěn)壓器：在輸入或輸出部分將交流與直流隔離，穩(wěn)壓器除了隔離之外還有穩(wěn)定電壓的作用；UPS的四種運(yùn)行模式（1）正常操作模式：在正常交流電源供應(yīng)下，整流器將交流電轉(zhuǎn)換為直流電，將市電中的“電源污染”消除，并同時(shí)對蓄電池充電。再供給逆變器將直流電轉(zhuǎn)換為交流電，提供更穩(wěn)定的電源給負(fù)載。（2）停電模式：當(dāng)交流電源發(fā)生異?；蛘髌?、電抗器故障時(shí)，蓄電池組提供直流電給逆變器，使交流輸出不會有中斷，進(jìn)而達(dá)到保護(hù)負(fù)載的作用。（3）備用電源模式：當(dāng)逆變器發(fā)生異常狀況如逆變器保險(xiǎn)絲熔斷、短路等故障時(shí)，逆變器會自動切斷以防止損壞，若此時(shí)旁路交流電源正常時(shí)，靜態(tài)開關(guān)會將電源供應(yīng)轉(zhuǎn)為由旁路備用電源輸出給負(fù)載使用。。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昌吉ups電源多少錢一個(gè)" src="https://tyunfile.71360.com/UploadFile/xjsjtx/637250683621162109/3663521.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/39915.html</p></div></div></div></div></div><div id="zsq0ace" class="page-right twoColRt"><div id="wsfnweu" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="itrzx85" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="8fkhfus" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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