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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="sg7vn4u" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998820625000/3123899.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="od23cbi" 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>重慶艾默生ups不間斷電源廠商,ups不間斷電源</p><p><span>***更新：</span>2020-11-20 13:15:23</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="dshbnct" 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="fz7mj9i" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ed97pr3" class="box"><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(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，重慶艾默生ups不間斷電源廠商，重慶艾默生ups不間斷電源廠商。和功率因數(shù)不是一碼事，重慶艾默生ups不間斷電源廠商。 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)。重慶艾默生ups不間斷電源廠商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶艾默生ups不間斷電源廠商,ups不間斷電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998820625000/3123899.png"></div><p> 高低電壓保護(hù)作用 </p> <p> 當(dāng)市電電壓時(shí)高時(shí)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(shè)備可以正常運(yùn)行。當(dāng)高低電壓超過可使用的范時(shí)，UPS電源系統(tǒng)則將啟動(dòng)蓄電池供電，保障設(shè)備的持續(xù)運(yùn)行。 </p> <p> 諧波失真保護(hù)作用 </p> <p> 電力經(jīng)由輸配電線路傳送至使用端時(shí)，電壓波形失真，基波電流發(fā)生變化產(chǎn)生諧波。諧波會(huì)影響設(shè)備的使用，通過UPS電源則能為設(shè)備提供穩(wěn)定***的電源，有效提高設(shè)備的運(yùn)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(dòng)的周期，50Hz就是每秒50周次。市電發(fā)電機(jī)運(yùn)轉(zhuǎn)時(shí)受到用戶端用電量的突然變化而造成轉(zhuǎn)速的變動(dòng)將使轉(zhuǎn)換出來的電力頻率不定，通過UPS電源轉(zhuǎn)換的電力可提供穩(wěn)定的頻率，確保儀器設(shè)備的正常工作。<span style="display:none;"></span> 貴陽艾默生ups不間斷電源價(jià)格因?yàn)閁PS裝了防雷充其量只能使配電柜中省一級(jí)防雷，但是配電當(dāng)中還是不能省略防雷裝置。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶艾默生ups不間斷電源廠商,ups不間斷電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998719179687/4955661.png"></div><p> UPS電源以利用機(jī)內(nèi)的充電子產(chǎn)品電回路重新對(duì)蓄電池浮充10～12h以上再帶載運(yùn)行。UPS電源長期處于浮充狀態(tài)而沒有放電過程，相當(dāng)于處在“儲(chǔ)存待用”狀態(tài)。如果這種狀態(tài)持續(xù)的時(shí)間過長，造成蓄電池因“儲(chǔ)存過久”而失效報(bào)廢，它主要表現(xiàn)為電池內(nèi)阻增大，嚴(yán)重時(shí)內(nèi)阻可達(dá)幾Ω。 </p> <p> 人們發(fā)現(xiàn)：在室溫20℃下，存儲(chǔ)1個(gè)月后，電池可供使用的容量為其額定值的97%左右，如果儲(chǔ)存6個(gè)月不用，它的可使用容量變?yōu)轭~定容量的80%。如果儲(chǔ)存溫度升高，它的可使用容量還會(huì)降低。因此建議用戶比較好每隔20°C個(gè)月有意地拔掉市電輸入，讓UPS電源工作于由蓄電池向逆變器提供能量的狀態(tài)。但這種操作不宜時(shí)間過長，在負(fù)載為額定輸出的30%左右時(shí)，約放電10min即可。 </p><p style="text-indent:25px">UPS（UninterruptiblePowerSystem），即不間斷電源，是一種含有儲(chǔ)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(tái)計(jì)算機(jī)、計(jì)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(shí)，UPS將市電穩(wěn)壓后供應(yīng)給負(fù)載使用，此時(shí)的UPS就是一臺(tái)交流市電穩(wěn)壓器，同時(shí)它還向機(jī)內(nèi)電池充電；當(dāng)市電中斷(故障停電)時(shí),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。提高UPS系統(tǒng)的可靠性，同時(shí)降低其損耗，就成為數(shù)據(jù)中心UPS系統(tǒng)架構(gòu)演變的主旋律。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶艾默生ups不間斷電源廠商,ups不間斷電源" src="https://tyunfile.71360.com/WaterMark/UploadFile/cdjwjd/637298998744462891/8621344.png"></div><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(shí)間。其產(chǎn)生原因包括：大型設(shè)備啟動(dòng)和應(yīng)用、主電力線切換、啟動(dòng)大型電動(dòng)機(jī)、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(gè)周期到數(shù)小時(shí)的情況。其產(chǎn)生原因有：線路上的斷路器跳閘、市電供應(yīng)中斷、電網(wǎng)故障。</p><p>對(duì)于電腦來說，顯示器及主機(jī)工作都需要正常的電力供應(yīng)。尤其是內(nèi)存，對(duì)電源的要求更高。它是一種依賴電能的存儲(chǔ)設(shè)備，需要不斷的刷新動(dòng)作來保持存儲(chǔ)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(dǎo)致內(nèi)存中的信息來不及保存到硬盤等存儲(chǔ)設(shè)備上，就會(huì)造成信息因完全丟失或變得不完整而失去價(jià)值，從而浪費(fèi)大量的工作精力、時(shí)間、甚至造成巨大的經(jīng)濟(jì)損失。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；自貢伊頓ups不間斷電源公司</p><p style="text-indent:25px">UPS的三大基本功能：穩(wěn)壓，濾波，不可間斷。重慶艾默生ups不間斷電源廠商</p><p> 瞬間保護(hù)作用 </p> <p> 市電有時(shí)會(huì)發(fā)生電壓上涌和下陷或瞬間壓降，這樣的問題會(huì)影響設(shè)備的精細(xì)度，嚴(yán)重時(shí)會(huì)損壞精密設(shè)備使用戶遭受損失。UPS系統(tǒng)可以提供穩(wěn)定的電壓，從而保護(hù)設(shè)備。 </p> <p> 控制橫模和共模噪聲的作用 </p> <p> 橫模噪聲產(chǎn)生在火線與中性線之間;共模噪聲產(chǎn)生在火線、中性線與地線之間。看不見的電力問題防不勝防，時(shí)時(shí)刻刻危害著儀器設(shè)備，給用戶造成損失。UPS電源為儀器和數(shù)據(jù)保駕護(hù)航，確保設(shè)備的正常運(yùn)行和延長設(shè)備使用壽命。 </p> <p> UPS系統(tǒng)是數(shù)據(jù)中心供電連續(xù)性的重要保障，UPS系統(tǒng)的可靠性直接影響數(shù)據(jù)中心的可靠性，同時(shí)，在絕大多數(shù)數(shù)據(jù)中心，UPS系統(tǒng)的損耗可占IT設(shè)備能耗的10%以上。因此，提高UPS系統(tǒng)的可靠性，同時(shí)降低其損耗，就成為數(shù)據(jù)中心UPS系統(tǒng)架構(gòu)演變的主旋律。重慶艾默生ups不間斷電源廠商</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)科技公司擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供電池系列，UPS產(chǎn)品，機(jī)房精密空調(diào)。駿為巨達(dá)科技公司致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來良好體驗(yàn)。駿為巨達(dá)科技公司始終關(guān)注機(jī)械及行業(yè)設(shè)備市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長共贏。</p></p><br 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