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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>長沙科華ups不間斷電源廠家,ups不間斷電源</p><p><span>***更新：</span>2020-12-16 13:17:56</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="br99jhf" 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="rfvt9fd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ftb97dj" class="box"><p><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(shí)更新。 </p> <p> 檢查各種自動(dòng)、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，長沙科華ups不間斷電源廠家，長沙科華ups不間斷電源廠家，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(shí)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，長沙科華ups不間斷電源廠家、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(dòng)頻繁且速率較高，超出UPS追蹤范圍時(shí)，嚴(yán)禁進(jìn)行逆變/旁路切換操作。 </p> <p> 在油機(jī)供電時(shí)，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)。在線式UPS電源的供電質(zhì)量明顯優(yōu)于后備式UPS電源。長沙科華ups不間斷電源廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長沙科華ups不間斷電源廠家,ups不間斷電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998768662109/1436764.png"></div><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(chǔ)存在儲(chǔ)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。長沙科華ups不間斷電源廠家后備式：具備自動(dòng)穩(wěn)壓、斷電保護(hù)等功能，轉(zhuǎn)換時(shí)間10ms左右，逆變輸出的交流電是方波，結(jié)構(gòu)簡單，價(jià)格便宜；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長沙科華ups不間斷電源廠家,ups不間斷電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998732041016/8233052.png"></div><p style="text-indent:25px"><p>UPS中文為“不間斷電源”。是一種含儲(chǔ)能裝置，以整流器、逆變器為主要組成部分，為變電站內(nèi)監(jiān)控系統(tǒng)、自動(dòng)化儀表、遠(yuǎn)方通信系統(tǒng)等設(shè)備提供恒壓恒頻的不間斷電源。<p>UPS系統(tǒng)的主要作用有兩方面：<p>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；<p>消除市電中的電涌、瞬間高/低電壓、電線噪聲和頻率偏移等“電源污染”，改善電源質(zhì)量，為計(jì)算機(jī)等提供高質(zhì)量的電源。<p>UPS的分類<p>UPS系統(tǒng)主要有有三種類型：后備式、互動(dòng)式、在線式。<p>后備式：具備自動(dòng)穩(wěn)壓、斷電保護(hù)等功能，轉(zhuǎn)換時(shí)間10ms左右，逆變輸出的交流電是方波，結(jié)構(gòu)簡單，價(jià)格便宜；<p>互動(dòng)式：具有濾波功能，抗市電干擾能力強(qiáng)，轉(zhuǎn)換時(shí)間小于4ms，逆變輸出為模擬正弦波，價(jià)格遠(yuǎn)低于在線式；<p>在線式：結(jié)構(gòu)較復(fù)雜，性能完善，能夠持續(xù)不中斷輸出純凈正弦波交流電，能夠解決尖峰、浪涌、頻率漂移等全部的電源問題；價(jià)格高，通常應(yīng)用在關(guān)鍵計(jì)算機(jī)和網(wǎng)絡(luò)設(shè)備等對電力要求苛刻的環(huán)境中。</p><p> 停電保護(hù)作用 </p> <p> 市電電網(wǎng)瞬間停電時(shí)立即由UPS電源系統(tǒng)將UPS蓄電池直流電源轉(zhuǎn)換成交流電繼續(xù)為負(fù)載供電，避免因停電而帶來的不便和損失。 </p> <p> 穩(wěn)壓作用 </p> <p> 市電電壓容易受電力輸送線路的距離和品質(zhì)影響，離變電所較近的用戶電壓較高，離變電所較遠(yuǎn)的用戶電壓則會(huì)偏低較低。電壓過高或過低都會(huì)影響用戶儀器設(shè)備的使用質(zhì)量和使用壽命，較嚴(yán)重時(shí)則會(huì)損壞設(shè)備，給用戶造成重大損失。UPS電源系統(tǒng)的使用則可以為用戶設(shè)備提供穩(wěn)定的電壓電源，保障設(shè)備的正常運(yùn)行和延長使用壽命。 </p> <p> 突波保護(hù)作用 </p> <p> 通常UPS電源系統(tǒng)會(huì)有前列放電設(shè)計(jì)吸收突波，避免因突波問題影響設(shè)備的使用效率和壽命，為設(shè)備提供保護(hù)。 UPS 設(shè)備通常對電壓過高或電壓過低都能提供保護(hù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長沙科華ups不間斷電源廠家,ups不間斷電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998744462891/8621344.png"></div><p> 延長UPS電源壽命的方法 </p> <p> 交流穩(wěn)壓器的使用： </p> <p> 使用UPS電源后，不必再加交流穩(wěn)壓器。若一定要加，應(yīng)加在UPS電源的前級，即市電先經(jīng)交流穩(wěn)壓器，再經(jīng)UPS電源，然后到負(fù)載。 </p> <p> 避免過載使用UPS電源 </p> <p> 在使用UPS電源的時(shí)候還要計(jì)算負(fù)載的大小，要避免負(fù)載的過大或者過小，過大的負(fù)載會(huì)使UPS電源長期工作在超負(fù)荷狀態(tài)從而縮短UPS電源的使用壽命;如果負(fù)載過小，UPS電源的工作電路長期工作在不正常狀態(tài)，這對于UPS電源也是有一定危害的。合理的負(fù)載應(yīng)該控制在50%到80%之間。實(shí)踐證明，UPS電源輸出負(fù)載控制在60%左右為比較好，可靠性比較好。在UPS電源出現(xiàn)過載或逆變器故障時(shí)會(huì)轉(zhuǎn)到旁路模式運(yùn)行，此時(shí)UPS電源不具備后備功能，負(fù)載所用的電源是通過電力系統(tǒng)直接供應(yīng)的。 UPS同時(shí)具備穩(wěn)壓、濾波等功能，有些UPS可以在故障或過載時(shí)改由市電旁路供電。長沙科華ups不間斷電源廠家</p><p style="text-indent:25px">通常UPS電源系統(tǒng)會(huì)有前列放電設(shè)計(jì)吸收突波，避免因突波問題影響設(shè)備的使用效率和壽命，為設(shè)備提供保護(hù)。長沙科華ups不間斷電源廠家</p><p> UPS作為保護(hù)性的電源設(shè)備，它的性能參數(shù)具有重要意義，應(yīng)是我們選購時(shí)的考慮重點(diǎn)。市電電壓輸入范圍寬，則表明對市電的利用能力強(qiáng)（減少電池放電）。輸出電壓、頻率范圍小，則表明對市電調(diào)整能力強(qiáng)，輸出穩(wěn)定。波形畸變率用以衡量輸出電壓波形的穩(wěn)定性,而電壓穩(wěn)定度則說明當(dāng)UPS突然由零負(fù)載加到滿負(fù)載時(shí)，輸出電壓的穩(wěn)定性。 </p> <p> 還有UPS效率、功率因數(shù)、轉(zhuǎn)換時(shí)間等都是表征UPS性能的重要參數(shù)，決定了對負(fù)載的保護(hù)能力和對市電的利用率。性能越好，保護(hù)能力也越強(qiáng)，總的來說，離線式UPS對負(fù)載的保護(hù)很差，在線互動(dòng)式略優(yōu)之，在線式則幾乎可以解決所有的常見電力問題。當(dāng)然成本也隨著性能的增強(qiáng)而上升。因此用戶在選購UPS時(shí)，應(yīng)根據(jù)負(fù)載對電力的要求程度及負(fù)載的重要性不同,而選取不同類型的UPS。長沙科華ups不間斷電源廠家</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，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)。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)В瑸榭蛻籼峁?**的電池系列，UPS產(chǎn)品，機(jī)房精密空調(diào)。駿為巨達(dá)科技公司繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。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: http://www.cdcfah.com/cp/2430432.html</p></div></div></div></div></div><div id="pdl3zn7" class="page-right twoColRt"><div 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