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jqimg="http://img71.afzhan.com/gxhpic_c10b8f16f0/655d48d28b2c114576ff317a7e95ceef250700a2f42aa499a1c2be939bc46f4426f98b0a534bc478.jpg"></a></div></div> <div id="sscmegika" class="rltproy"> <h1 class="proname">YDJ交直流試驗(yàn)變壓器</h1> <ul> <li>更新時(shí)間： 2024-03-09</li> <li>產(chǎn)品型號(hào)： <span></span></li> <li id="sscmegika" class="proname2">簡(jiǎn)單描述</li> <li id="sscmegika" class="desc">YDJ交直流試驗(yàn)變壓器采用優(yōu)質(zhì)冷軋取向硅鋼片疊制而成，緊固方式采用鋼材作夾件。高壓線圈為圓筒多層塔式，由優(yōu)質(zhì)聚酯漆包線及高耐壓值絕緣材料繞制而成。</li> <div id="sscmegika" class="pro_btn"> <a href="#nr_textbox" class="zxxj">在線詢價(jià)</a> <a href="/contact.html" class="lxwm">聯(lián)系我們</a> </div> </ul> </div> <div id="sscmegika" class="proneirong"> <div id="sscmegika" class="proneirongp"><span>詳細(xì)介紹</span></div> <link type="text/css" rel="stylesheet" href="/css/property.css"> <script> window.onload=function(){ changeTableHeight(); } window.onresize=function(){ changeTableHeight(); } function changeTableHeight(){ $(".proshowParameter table th").each(function?(i,o){ ????var $this=$(o),? ????height=$this.next().height(); ????$(this).css("height",height); var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); $(".proshowParameter table td").each(function?(i,o){ var obj = $(o); var val = obj.text(); if(val == '' || val == null || val == undefined){ $(this).addClass('none'); }else{ $(this).removeClass('none'); } }); } </script> <section class="proshowParameter"> <table style=" margin-bottom:20px;"> <tbody> <tr><th>品牌</th><td>康登電氣</td> <th></th><td></td></tr> </tbody> </table> </section><p font-size:="" microsoft="" style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "><font face="microsoft yahei"><span style="font-size:14px"><strong> </strong></span></font><strong style="-webkit-appearance:none; -webkit-tap-highlight-color:transparent; font-family:microsoft yahei; font-size:14px"><strong>YDJ交直流試驗(yàn)變壓器</strong></strong><span style="font-family:microsoft yahei; font-size:14px">是發(fā)電廠、供電局及科研單位等廣大用戶的用來(lái)做交流耐壓試驗(yàn)的基本試驗(yàn)設(shè)備，通過(guò)了國(guó)家質(zhì)量監(jiān)督局的標(biāo)準(zhǔn),用于對(duì)各種電氣產(chǎn)品、電器元件、絕緣材料等進(jìn)行規(guī)定電壓下的絕緣強(qiáng)度試驗(yàn)，考核產(chǎn)品的絕緣水平，發(fā)現(xiàn)被試品的絕緣缺陷，衡量過(guò)電壓的能力。</span></p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">二、結(jié)構(gòu)</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">本系列產(chǎn)品鐵芯為單相芯式，采用優(yōu)質(zhì)冷軋取向硅鋼片疊制而成，緊固方式采用鋼材作夾件。高壓線圈為圓筒多層塔式，由優(yōu)質(zhì)聚酯漆包線及高耐壓值絕緣材料繞制而成。低壓線圈在外,儀表線圈為獨(dú)立繞組，一般情況下為100V。殼體為八角形，10KVA以上的試驗(yàn)變壓器裝有可移動(dòng)的鐵輪。具有重量輕、體積小、移動(dòng)方便、性能*等特。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">三、工作原理</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">1、交流、交直流試驗(yàn)變壓器:</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">將工頻電源輸入操作箱(或操作臺(tái))，經(jīng)自耦調(diào)壓器調(diào)節(jié)電壓輸入至試驗(yàn)變壓器的初級(jí)繞組。根據(jù)電磁感應(yīng)原理，在次級(jí)(高壓)繞組可獲得工頻高壓。此工頻高壓經(jīng)高壓硅堆整流及電容濾波后可獲得直流高壓，其幅值是工頻高壓有效值的1.4倍。只不過(guò)在使用直流時(shí)應(yīng)抽出短路桿，在使用交流時(shí)，插入短路桿。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">2、帶抽頭試驗(yàn)變壓器:</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">為了同時(shí)滿足一個(gè)變壓器電壓較高電壓較小與電流較低電流較大之間的矛盾，將高壓繞組分成兩個(gè)來(lái)繞，一個(gè)是電流較大的繞組，另一個(gè)是電流較小的繞組，然后兩個(gè)繞組串接分別引出。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">3、串級(jí)試驗(yàn)變壓器:</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">為了得到更高電壓的試驗(yàn)變壓器，<strong style="-webkit-appearance:none; -webkit-tap-highlight-color:transparent"><strong>YDJ交直流試驗(yàn)變壓器</strong></strong>也可采用串級(jí)的方法獲得更高的電壓。圖2為三級(jí)串級(jí)試驗(yàn)變壓器的原理接線圖。其中三臺(tái)變壓器的容量和電壓關(guān)系滿足:P1=2P2=3P3，U(總)=1U+2U+3U。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">四、主要技術(shù)指標(biāo):</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">額定容量:1~300KVA單臺(tái)額定輸出電壓:</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">(AC) 50、100、150、200、300KV</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">(DC) 70、140、210、280KV</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">>額定輸入電壓:200V、400V</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">>變比:500/1、1000/1、1500/1、2000/1、3000/1</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">>變比誤差:≤±1.5%</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">>阻抗電壓:<10%</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">五、直流泄漏試驗(yàn)操作過(guò)程注意事項(xiàng)</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">(1)試驗(yàn)人員應(yīng)做好責(zé)任分工，設(shè)定好試驗(yàn)現(xiàn)場(chǎng)的安全距離，仔細(xì)檢查好被試品及試驗(yàn)變壓器的接地情況，并設(shè)有專人監(jiān)護(hù)安全及觀察被試品狀態(tài)工作。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">(2)被試品做試驗(yàn)前，應(yīng)拆除所有對(duì)外連線，并充分放電，主要部位應(yīng)清除干凈，保持干燥，以免損壞被試品及帶來(lái)試驗(yàn)數(shù)值的誤差。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; 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