呼圖壁科華ups多少錢一個新疆世紀同心電子供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 3、輸出隔直流問題由于控制環(huán)節(jié)故障使一個IGBT連續(xù)導通時，或在一個IGBT或二極管短路的情況下，400V直流母線電壓會直接輸出到負載端(此時電感變成阻抗很小地導線)。單相負載輸入整流后地直流母線額定電壓"><meta name="keywords" content="呼圖壁科華ups多少錢一個"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" 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id="lljxv"></rt></div><header class="header container"><span id="brrb7jt" class="logo"><a href="http://www.cdcfah.com/"><img src="/static/new_net_01/images/logo.png" alt="找產(chǎn)品網(wǎng)"></a></span><span id="rpxv595" class="tigs"> 發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務平臺 </span><div id="9hr7jhn" class="searchbox"><div id="7d5n9hr" class="searchLt"><div id="jpfvb5r" class="tabs"><a href="JavaScript:;" data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會</a></div><div id="db7bh59" class="clearfix searchWrap"><div id="b7hltbr" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="7ndljx9" class="container"><ul><li id = "index_index"><a 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href="http://www.cdcfah.com/cp/third-dianyuan_upsdy/">UPS電源</a>?呼圖壁科華ups多少錢一個新疆世紀同心電子供應</p><div id="vdbzfb9" class="leftbox clearfix"><h1>呼圖壁科華ups多少錢一個新疆世紀同心電子供應</h1><div id="hlbj7vn" class="proBig"><div id="7lhv9xv" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xjsjtx/637260240650615234/4234710.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="fvltrpl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xjsjtx/637260240650615234/4234710.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="t77rltr" 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)品關鍵詞：</span>呼圖壁科華ups多少錢一個</p><p><span>***更新：</span>2020-06-02 13:17:16</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="vlrp7xf" 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="vt99bzh" class="page-proshow02"><p class="title">詳細說明</p><div id="fndd7b9" class="box"><p><p> 3、輸出隔直流問題 </p> <p> 由于控制環(huán)節(jié)故障使一個IGBT連續(xù)導通時，或在一個IGBT或二極管短路的情況下，400V直流母線電壓會直接輸出到負載端(此時電感變成阻抗很小地導線)。單相負載輸入整流后地直流母線額定電壓是311V，考慮負載允許輸入地+15%地上限，呼圖壁科華ups多少錢一個，直流母線額定電壓是357V，呼圖壁科華ups多少錢一個，呼圖壁科華ups多少錢一個，并聯(lián)在整流電路輸出端地濾波電容耐壓通常是400V。當UPS發(fā)生這種故障時輸出直流電壓會接近400V，濾波電容和DC/DC變換器都會因輸入電壓過高而受到影響。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="呼圖壁科華ups多少錢一個" src="https://tyunfile.71360.com/UploadFile/xjsjtx/637260240650615234/4234710.png"></div><p> 與帶輸出變壓器UPS相比，無輸出變壓器UPS的逆變器對IGBT的耐壓提出了更高的要求。在帶輸出變壓器UPS的全橋逆變器中，IGBT的耐壓就是直流母線電壓，一般為400多伏，而在無輸出變壓器UPS地輸出半橋逆變器中，直流母線電壓是±400V，要求IGBT的耐壓要大于800V。雖然當前的器件耐壓1200V已不成問題，但此要求不**是靜態(tài)耐壓問題，更嚴重的是IGBT地開關電壓變化率(du/dt)和開關損耗問題，因而這是電路設計和器件選擇時必須重視和解決的問題。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="呼圖壁科華ups多少錢一個" src="https://tyunfile.71360.com/UploadFile/xjsjtx/637260240556367188/226347.png"></div><p> 十四、何處可更換電池 </p> <p> 當用戶選購的UPS需要更換電池時，可以與該產(chǎn)品的服務商或經(jīng)銷商聯(lián)系。 </p> <p> 十五、什么是SNMP </p> <p> SNMP是簡易網(wǎng)絡管理協(xié)定（SimpleNetworkManagementProtocol）的英文縮寫。該協(xié)議能夠使UPS以其周邊設備能夠不通過電腦而直接連上網(wǎng)絡，納入網(wǎng)絡系統(tǒng)管理。***的UPS通常具有SNMP網(wǎng)絡管理介面，可讓該UPS很容易的連上網(wǎng)絡。 </p> <p> 十六、什么是隔離變壓器 </p> <p> 儀器設備與普通的UPS配合使用時，經(jīng)常會因為零地電壓的原因造成儀器設備誤動作。為避免這種情況的出現(xiàn)，***的UPS針對這個問題，設計出具有隔離變壓器的UPS，經(jīng)過特殊的設計可以使輸出的零地電壓小于1伏，從而避免上述問題的發(fā)生，除此這外，隔率變壓器還具有噪音濾波等功能。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="呼圖壁科華ups多少錢一個" src="https://tyunfile.71360.com/UploadFile/xjsjtx/637260240599160156/8716939.png"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/118561.html</p></div></div></div></div></div><div id="jx7zftr" class="page-right twoColRt"><div id="pndjznt" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ljzxlrp" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="9xn9zpl" 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