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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_dianyuan/">電源</a>?<a href="http://www.cdcfah.com/cp/third-dianyuan_qtdy/">其他電源</a>?伊寧ups價格新疆世紀同心電子供應(yīng)</p><div id="oxe34c4" class="leftbox clearfix"><h1>伊寧ups價格新疆世紀同心電子供應(yīng)</h1><div id="y8ujtu9" class="proBig"><div id="pqhramq" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xjsjtx/637250683621933593/9889383.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="az899vp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xjsjtx/637250683621933593/9889383.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="773uqxw" 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>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>伊寧ups價格</p><p><span>***更新：</span>2020-05-24 09:39:56</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="z2ol8wg" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">新疆世紀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: </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="povxro7" class="page-proshow02"><p class="title">詳細說明</p><div id="ymov7bv" class="box"><p><p> 同時采用了石英晶體振蕩控制逆變器的頻率，通過電壓負反饋電路確保輸出電壓的穩(wěn)定。它具有開關(guān)電源的一系列優(yōu)點，通過精確調(diào)整脈沖寬度，保證功率穩(wěn)定輸出，同時．開關(guān)電源技術(shù)的應(yīng)用，也使其自身損耗**降低。主要技術(shù)指標如下：[3]（1）額定輸出功率和比較大輸出功率；[3]（2）切換時間；[3]（3）輸出電壓穩(wěn)定度，參考值±±2%；[3]（4）輸出頻率穩(wěn)定度，參考值±±；[3]（5）輸出波形**(正弦波輸出)，電壓畸變小于1%，不存在潛波失真的問題；[3]（6）效率高、損耗低。參考指標高于90%；[3]（7）無故障工作時間。由于微處理器監(jiān)控技術(shù)和先進的IGBT驅(qū)動型SPWM等高技術(shù)的采用，目前的UPS已達到了極高的可靠性水平，對于大型UPS電源來講，伊寧ups價格，伊寧ups價格，其單機的年均無故障工作時間(MTBF)已超過20萬小時。如果采用雙總線輸出的多機“冗余”型UPS供電系統(tǒng)，伊寧ups價格，其MTBF甚至可達1000萬小時數(shù)量級。[3]不間斷電源發(fā)展特點編輯（1）UPS采用模塊化在線并機擴容功能。目前多數(shù)大功率段的UPS均已經(jīng)具備冗余并機功能，UPS內(nèi)部多模塊冗余并聯(lián)運行、甚至多臺UPS組成的系統(tǒng)冗余運行技術(shù)，在并聯(lián)運行中，當單一模塊或單機發(fā)生故障時，其功能則自動轉(zhuǎn)由冗余單元承擔，**提高了UPS供電系統(tǒng)的可靠性。[1]。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="伊寧ups價格" src="https://tyunfile.71360.com/UploadFile/xjsjtx/637250683621933593/9889383.jpg"></div><p> 因為造成中小型UPS電源高發(fā)故障的原因是：用戶頻繁的開機或關(guān)機，UPS電源帶負載進行逆變器供電和旁路供電切換期。[6]（5）實踐證明：對于絕大多數(shù)UPS電源而言，將其負載控制在50%~60%額定輸出功率范圍內(nèi)是比較好工作方式。禁止超負載使用，廠家建議：UPS電源的比較大啟動負載比較好控制在80%之內(nèi)，如果超載使用，在逆變狀態(tài)下，時常會擊穿逆變?nèi)龢O管。不宜過度輕載運行，這種情況容易因為電池放電電流過小造成電池失效。[6]（6）定期對UPS電源進行維護工作：觀察工作指示燈狀態(tài)、除塵，測量蓄電池電壓，更換不合格電池，檢查風扇運轉(zhuǎn)情況及檢測調(diào)節(jié)UPS的系統(tǒng)參數(shù)等。[6]（7）UPS電源比較適合于帶微電容性負載，不適合于帶電感性負載，如空調(diào)、電動機、電鉆、風機等。如果UPS電源負載為電阻性或電感性負載時，必須酌情減小其負載量以免超載運行。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="伊寧ups價格" src="https://tyunfile.71360.com/UploadFile/xjsjtx/637250683562041015/3728686.jpg"></div><p> 后備式UPS電源的優(yōu)點是運行效率高、噪音低、價格相對便宜，主要適用于市電波動不大、對供電質(zhì)量要求不高的場合。在線式UPS電源在市電正常供電時，首先將市電交流電源變成直流電源，然后進行脈寬調(diào)制、濾波，再將直流電源重新變成交流電源，即它平時是由交流電經(jīng)整流后又以逆變器方式向負載提供交流電源。一旦市電中斷，立即改由蓄電池以逆變器方式對負載提供交流電源。因此，對在線式UPS電源而言，在正常情況下，無論有無市電，它總是由UPS電源的逆變器對負載供電，這樣就避免了所有由市電電網(wǎng)電壓波動及干擾帶來的影響。顯而易見，在線式UPS電源的供電質(zhì)量明顯優(yōu)于后備式UPS電源，因為它可以實現(xiàn)對負載的穩(wěn)頻、穩(wěn)壓供電，且在由市電供電轉(zhuǎn)換到蓄電池供電時，其轉(zhuǎn)換時間為零。方波輸出的UPS電源帶負載能力差(負載量*為額定負載的40-60%)，不能帶電感性負載。如所帶的負載過大，方波輸出電壓中包含的三次諧波成份將使流人負載中的容性電流增大，嚴重時會損壞負載的電源濾波電容。正弦波輸出的UPS電源的輸出電壓波形畸變度與負載量之間的關(guān)系沒有方波輸出UPS電源那樣明顯，負載能力相對較強，并能帶微電感性負載。不管那種類型的UPS電源，當它們處于逆變器供電狀態(tài)時。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="伊寧ups價格" src="https://tyunfile.71360.com/UploadFile/xjsjtx/637250683620957031/8799532.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/26414.html</p></div></div></div></div></div><div id="2wawv38" class="page-right twoColRt"><div id="imo3b3d" class="box01 margin10 clearfix"><h3><a 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