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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vzwt8pc" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998915468750/5974245.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="furolnc" 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)品關鍵詞：</span>眉山山特ups不間斷電源價格,ups不間斷電源</p><p><span>***更新：</span>2020-10-16 18:07:29</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="oifhyfz" 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="tiax7fc" class="page-proshow02"><p class="title">詳細說明</p><div id="c2byah8" class="box"><p><p> 如何延長不間斷電源（UPS）的供電時間 </p> <p> 延長不間斷電源的供電時間有兩種方法： </p> <p> 增加電池容量?？梢愿鶕?jù)所需供電的時間長短增加電池的數(shù)量，但是采用這種方法會造成電池充電時間的相對增加，同時也會增加相應的維護設備的數(shù)量、增大產(chǎn)品體積，造成UPS整體成本提高； </p> <p> 選購容量較大的UPS。采用這種方法不僅可以降低維修成本，如果需要擴充負載設備，較大容量的不間斷電源仍可正常工作。 </p> <p> 不間斷電源（UPS）的容量如何計算 </p> <p> 目前市場上銷售的不間斷電源（UPS）多以VA作為容量單位。V是電壓，A是電流，V×A就等于功率，眉山山特ups不間斷電源價格，即不間斷電源的容量。例如，一臺425VA的不間斷電源，如果其輸出電壓為110V，則該UPS能夠提從的比較大電流為3.86A，超過此電流值就是超載（Overload）。另一種表示功率的方法是W，W表示實功，VA表示虛功。兩者之間的差別在于功率因數(shù)。功率因數(shù)一般在為0，眉山山特ups不間斷電源價格.6到0，眉山山特ups不間斷電源價格.8之間，若低于0.5則UPS設計不佳，在選購UPS時，應考慮功率因數(shù)問題。后備式：具備自動穩(wěn)壓、斷電保護等功能，轉換時間10ms左右，逆變輸出的交流電是方波，結構簡單，價格便宜；眉山山特ups不間斷電源價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山山特ups不間斷電源價格,ups不間斷電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998915468750/5974245.png"></div><p> 高低電壓保護作用 </p> <p> 當市電電壓時高時低，UP電源內(nèi)的穩(wěn)壓器(AVR)使市電電壓保持在可使用的安全范圍，確保設備可以正常運行。當高低電壓超過可使用的范時，UPS電源系統(tǒng)則將啟動蓄電池供電，保障設備的持續(xù)運行。 </p> <p> 諧波失真保護作用 </p> <p> 電力經(jīng)由輸配電線路傳送至使用端時，電壓波形失真，基波電流發(fā)生變化產(chǎn)生諧波。諧波會影響設備的使用，通過UPS電源則能為設備提供穩(wěn)定***的電源，有效提高設備的運行效率和壽命。 </p> <p> <span style="display:none;"></span>穩(wěn)定頻率作用 </p> <p> 頻率就是市電每一秒變動的周期，50Hz就是每秒50周次。市電發(fā)電機運轉時受到用戶端用電量的突然變化而造成轉速的變動將使轉換出來的電力頻率不定，通過UPS電源轉換的電力可提供穩(wěn)定的頻率，確保儀器設備的正常工作。<span style="display:none;"></span> 廣元ups不間斷電源報價UPS 將市電穩(wěn)壓后供應給負載使用，此時的UPS就是一臺交流式電穩(wěn)壓器；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山山特ups不間斷電源價格,ups不間斷電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998831718750/5056053.png"></div><p> 凈化功能由儲能電池來完成，由于整流器對瞬時脈沖干擾不能消除，整流后的電壓仍存在干擾脈沖。儲能電池除可存儲直流直能的功能外，對整流器來說就像接了一只大容器電容器，其等效電容量的大小，與儲能電池容量大小成正比。由于電容兩端的電壓是不能突變的，即利用了電容器對脈沖的平滑特性消除了脈沖干擾，起到了凈化功能，也稱對干擾的屏蔽。 </p> <p> 頻率的穩(wěn)定則由變換器來完成，頻率穩(wěn)定度取決于變換器的振蕩頻率的穩(wěn)定程度。為方便UPS電源系統(tǒng)的日常操作與維護，設計了系統(tǒng)工作開關，主機自檢故障后的自動旁路開關，檢修旁路開關等開關控制。 </p><p style="text-indent:25px"><p>整流器：<p>有兩個主要功能：<p>將交流電（AC）變成直流電（DC），經(jīng)濾波后供給逆變器；<p>給蓄電池提供充電電壓，起到一個充電器的作用；<p>逆變器：<p>將直流電（DC）轉化為交流電（AC），供給負載使用；<p>蓄電池：<p>UPS用來作為儲存電能的裝置，使其在市電失電時，可以將直流電逆變后，為負載提供不間斷電源。其容量大小決定了其維持放電（供電）的時間；<p>靜態(tài)開關：<p>又稱靜止開關，是用兩個可控硅（SCR）反向并聯(lián)組成的一種交流開關，其閉合和斷開由邏輯控制器控制；<p>隔離變壓器、穩(wěn)壓器：<p>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；線互動式UPS電源也被稱為3端口式UPS電源，使用的是工頻變壓器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山山特ups不間斷電源價格,ups不間斷電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998956416016/8684488.png"></div><p> 在線互動式UPS電源也被稱為3端口式UPS電源，使用的是工頻變壓器。從能量傳遞的角度來考慮，其變壓器存在3個能量流動的端口：端口1連接市電輸入；端口2通過雙向變換器與蓄電池相連；端口3輸出。 </p> <p> 市電供電時，交流電經(jīng)端口1流入變壓器，在穩(wěn)壓電路的控制下選擇合適的變壓器抽頭接入，同時在端口2的雙向變換器的作用下借助蓄電池的能量轉換共同調(diào)節(jié)端口3上的輸出電壓，以此來達到比較好的穩(wěn)壓效果；市電掉電時，蓄電池通過雙向變換器經(jīng)端口2給變壓器供電，維持端口3上的交流輸出。這時的UPS電源實質(zhì)上相當于一臺性能較差的市電穩(wěn)壓器，它除了對市電電壓的幅度波動有所改善外。綿陽機房**ups不間斷電源廠商</p><p style="text-indent:25px">UPS在機房工程中重要設備，它能保證正常市電中斷后為弱電系統(tǒng)提供有效的電力保障。眉山山特ups不間斷電源價格</p><p>持續(xù)低電壓（brownout）：</p><p>指市電電壓有效值低于額定值，并且持續(xù)較長時間。其產(chǎn)生原因包括：大型設備啟動和應用、主電力線切換、啟動大型電動機、線路過載。</p><p>市電中斷（powerfai1）：</p><p>指市電中斷并且持續(xù)至少兩個周期到數(shù)小時的情況。其產(chǎn)生原因有：線路上的斷路器跳閘、市電供應中斷、電網(wǎng)故障。</p><p>對于電腦來說，顯示器及主機工作都需要正常的電力供應。尤其是內(nèi)存，對電源的要求更高。它是一種依賴電能的存儲設備，需要不斷的刷新動作來保持存儲內(nèi)容。一旦斷電，所保存的內(nèi)容立即消失。如果非正常斷電，導致內(nèi)存中的信息來不及保存到硬盤等存儲設備上，就會造成信息因完全丟失或變得不完整而失去價值，從而浪費大量的工作精力、時間、甚至造成巨大的經(jīng)濟損失。眉山山特ups不間斷電源價格</p><p style="text-indent:25px">成都駿為巨達科技有限公司擁有建立全方面***、高科技、完善的客戶服務體系是公司為客戶服務的根本。公司理念“求實、進取”，遵奉“用戶至上、追求超越、良好服務、”的宗旨。為用戶提供高質(zhì)量的方案，良好的服務。為保障客戶高可靠性電力環(huán)境及機房環(huán)境而努力！等多項業(yè)務，主營業(yè)務涵蓋電池系列，UPS產(chǎn)品，機房精密空調(diào)，。目前我公司在職員工以90后為主，是一個有活力有能力有創(chuàng)新精神的團隊。公司以誠信為本，業(yè)務領域涵蓋電池系列，UPS產(chǎn)品，機房精密空調(diào)，，我們本著對客戶負責，對員工負責，更是對公司發(fā)展負責的態(tài)度，爭取做到讓每位客戶滿意。公司憑著雄厚的技術力量、飽滿的工作態(tài)度、扎實的工作作風、良好的職業(yè)道德，樹立了良好的電池系列，UPS產(chǎn)品，機房精密空調(diào)，形象，贏得了社會各界的信任和認可。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1581508.html</p></div></div></div></div></div><div id="gcyvhyn" class="page-right twoColRt"><div id="rbyk7nz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="akhjgik" 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" 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