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href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_pdsdsbcr/">配電輸電設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-pdsdsbcr_peidianqiqo/">配電器</a>?張家界ups不間斷電源價格成都駿為巨達(dá)科技供應(yīng)</p><div id="00suc8a" class="leftbox clearfix"><h1>張家界ups不間斷電源價格成都駿為巨達(dá)科技供應(yīng)</h1><div id="oms08um" class="proBig"><div id="ka0kios" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998831718750/5056053.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="o8aayek" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998831718750/5056053.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="yci2gmi" 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>張家界ups不間斷電源價格,ups不間斷電源</p><p><span>***更新：</span>2021-02-05 09:17:44</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="yguag2s" 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4棟2單元8樓16號</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="yekyuao" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="miw8igw" 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(yīng)的維護(hù)設(shè)備的數(shù)量、增大產(chǎn)品體積，張家界ups不間斷電源價格，造成UPS整體成本提高； </p> <p> 選購容量較大的UPS，張家界ups不間斷電源價格。采用這種方法不僅可以降低維修成本，如果需要擴(kuò)充負(fù)載設(shè)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，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(shí)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0.6到0.8之間，若低于0.5則UPS設(shè)計不佳，在選購UPS時，應(yīng)考慮功率因數(shù)問題，張家界ups不間斷電源價格。做為重要設(shè)備的交流供電電源，防止市電突然斷電而影響正常工作，給設(shè)備造成損害；張家界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="張家界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> UPS注意事項(xiàng) </p> <p> UPS的使用環(huán)境應(yīng)注意通風(fēng)良好，利于散熱，并保持環(huán)境的清潔。 </p> <p> 切勿帶感性負(fù)載，如點(diǎn)鈔機(jī)、日光燈、空調(diào)等，以免造成損壞。 </p> <p> UPS的輸出負(fù)載控制在60%左右為比較好，可靠性比較高。 </p> <p> UPS帶載過輕（如1000VA的UPS帶100VA負(fù)載）有可能造成電池的深度放電，會降低電池的使用壽命，應(yīng)盡量避免。 </p> <p> 適當(dāng)?shù)姆烹姡兄陔姵?，如長期不停市電，每隔三個月應(yīng)人為斷掉市電用UPS帶負(fù)載放電一次，這樣可以延長電池的使用壽命。 </p> <p> 對于多數(shù)小型UPS，上班再開UPS，開機(jī)時要避免帶載啟動，下班時應(yīng)關(guān)閉UPS；對于網(wǎng)絡(luò)機(jī)房的UPS，由于多數(shù)網(wǎng)絡(luò)是24小時工作的，所以UPS也必須全天候運(yùn)行。 </p> <p> UPS放電后應(yīng)及時充電，避免電池因過度自放電而損壞。張家界ups不間斷電源價格與UPS相同之處：EPS是***的后備式UPS，它的工作原理和后備式UPS一樣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="張家界ups不間斷電源價格,ups不間斷電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998809746094/7106861.png"></div><p> UPS維護(hù)的一般要求 </p> <p> UPS主機(jī)現(xiàn)場應(yīng)放置操作指南，指導(dǎo)現(xiàn)場操作。 </p> <p> UPS的各項(xiàng)參數(shù)設(shè)置信息應(yīng)全方面記錄、妥善歸檔保存并及時更新。 </p> <p> 檢查各種自動、告警和保護(hù)功能是否正常。 </p> <p> 定期進(jìn)行UPS各項(xiàng)功能測試。 </p> <p> 定期檢查主機(jī)、電池及配電部分引線及端子的接觸情況，檢查饋電母線、電纜及軟連接頭等各連接部位的連接是否可靠，并測量壓降和溫升。 </p> <p> 經(jīng)常檢查設(shè)備的工作和故障指示是否正常。定期查看UPS內(nèi)部的元器件的外觀，發(fā)現(xiàn)異常及時處理。 </p> <p> 定期檢查UPS各主要模塊和風(fēng)扇電機(jī)的運(yùn)行溫度有無異常。 </p> <p> 保持機(jī)器清潔，定期清潔散熱風(fēng)口、風(fēng)扇及濾網(wǎng)。 </p> <p> 定期進(jìn)行UPS電池組帶載測試。 </p> <p> 各地應(yīng)根據(jù)當(dāng)?shù)厥须婎l率的變化情況，選擇合適的追蹤速率。 </p> <p> 當(dāng)輸入頻率波動頻繁且速率較高，超出UPS追蹤范圍時，嚴(yán)禁進(jìn)行逆變/旁路切換操作。 </p> <p> 在油機(jī)供電時，尤其應(yīng)注意避免該情況的發(fā)生。UPS應(yīng)使用開放式電池架，以利于蓄電池的運(yùn)行及維護(hù)。 </p><p> 什么叫有功功率，什么叫無功功率？ </p> <p> 有功功率指的是能使負(fù)載做功的功率，比如使燈泡發(fā)光，使電路工作等等。做功后又完全變成熱量散發(fā)到大氣中，一去不復(fù)返。 </p> <p> 無功功率指的是儲存在儲能裝置（器件）中的功率，它可以轉(zhuǎn)化為有功功率。 </p> <p> UPS效率的定義是什么？它表示什么？和功率因數(shù)是一回事嗎？ </p> <p> UPS效率的η的定義是：輸出有功功率P與輸入有功功率P’之比的百分?jǐn)?shù)，即：η=（P/P’）％。它是衡量UPS功耗大小的標(biāo)志。和功率因數(shù)不是一碼事。后備式：具備自動穩(wěn)壓、斷電保護(hù)等功能，轉(zhuǎn)換時間10ms左右，逆變輸出的交流電是方波，結(jié)構(gòu)簡單，價格便宜；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="張家界ups不間斷電源價格,ups不間斷電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998768662109/1436764.png"></div><p>電壓下陷（powersags）：</p><p>指市電電壓有效值介于額定值的80%至85%之間的低壓狀態(tài)，并且持續(xù)時間達(dá)一個到數(shù)個周期。大型設(shè)備開機(jī)，大型電動機(jī)啟動，或大型電力變壓器接入都可能造成這種問題。</p><p>電線噪聲（electricallinenoise）：</p><p>系指射頻干擾(RFI)和電磁干擾（EFI）以及其它各種高頻干擾。馬達(dá)的運(yùn)行、繼電器的動作、馬達(dá)控制器的工作、廣播發(fā)射、微波輻射、以及電氣風(fēng)暴等，都會引起線噪聲干擾。</p><p>頻率偏移（frequencyvariation）：</p><p>系指市電頻率的變化超過3Hz以上。這主要由應(yīng)急發(fā)電機(jī)的不穩(wěn)定運(yùn)行，或由頻率不穩(wěn)定的電源供電所致。UPS效率的η的定義是：輸出有功功率P與輸入有功功率P’之比的百分?jǐn)?shù)；張家界ups不間斷電源價格</p><p style="text-indent:25px">一般UPS就是按感性負(fù)載設(shè)計的，所以帶感性負(fù)載是它的本分。張家界ups不間斷電源價格</p><p style="text-indent:25px">UPS（UninterruptiblePowerSystem），即不間斷電源，是一種含有儲能裝置，以逆變器為主要組成部分的恒壓恒頻的不間斷電源。主要用于給單臺計算機(jī)、計算機(jī)網(wǎng)絡(luò)系統(tǒng)或其它電力電子設(shè)備提供不間斷的電力供應(yīng)。當(dāng)市電輸入正常時，UPS將市電穩(wěn)壓后供應(yīng)給負(fù)載使用，此時的UPS就是一臺交流市電穩(wěn)壓器，同時它還向機(jī)內(nèi)電池充電；當(dāng)市電中斷(故障停電)時,UPS立即將機(jī)內(nèi)電池的電能,通過逆變轉(zhuǎn)換的方法向負(fù)載繼續(xù)供應(yīng)220V交流電，使負(fù)載維持正常工作并保護(hù)負(fù)載軟、硬件不受損壞。張家界ups不間斷電源價格</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3174168.html</p></div></div></div></div></div><div id="8eq0usy" class="page-right twoColRt"><div id="cig0ecq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ma8iywk" 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) 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