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</div> </div> <div id="f55nvtnxj1n" class="nybanner"><img src="/skins/106676/images/nybanner.jpg"></div> <script src="http://www.chem17.com/mystat.aspx?u=mbdzkj"></script>  <div id="f55nvtnxj1n" class="ncontent w_1100"> <div id="f55nvtnxj1n" class="h-6">技術文章<span>您當前的位置：<a href="/">首頁</a> > <a href="/article.html">技術文章</a> > 交直流耐壓試驗裝置工作原理</span></div>  <div id="f55nvtnxj1n" class="n-3 c-news"> <div id="f55nvtnxj1n" class="newsnr"> <h1>交直流耐壓試驗裝置工作原理</h1> <p class="source"><span>日期：2019-01-18</span><span>瀏覽：1475次</span></p> <div> <p><strong style="-webkit-appearance:none; -webkit-tap-highlight-color:transparent; font-family:arial,helvetica,sans-serif; font-size:14px">交直流耐壓試驗裝置</strong><span style="font-family:arial,helvetica,sans-serif; font-size:14px">是發(fā)電站、供配電系統(tǒng)及科研單位等廣大用戶的基本試驗設備。用于對各種電器產(chǎn)品、電氣設備、絕緣材料等進行規(guī)定電壓下的絕緣強度試驗，考核產(chǎn)品的絕緣水平，發(fā)現(xiàn)被試品的絕緣缺陷，衡量承受過電壓的能力。</span></p><p><span style="color:rgb(0, 0, 0); font-family:arial,helvetica,sans-serif; font-size:14px">為單相變壓器，單臺高壓試驗變壓器的工作過程，用交流220V（10KVA以上為380V）電壓接入電源控制箱（臺），經(jīng)電源控制箱（臺）內(nèi)自藕調壓器，調節(jié)0~200V或380V電壓至試驗變壓器的初級繞組，根據(jù)電磁感應原理，在試驗變壓器高壓繞組可獲得試驗所需的高電壓。其工作原理圖見圖2所示</span></p><p> </p><p><img alt="工頻試驗變壓器原理圖" src="http://www.sffxy.com/UpFile/201605/2016050456916897.jpg" style="-webkit-appearance:none; -webkit-tap-highlight-color:transparent; border:0px; font-family:microsoft yahei; font-size:14px; height:auto; margin:0px; max-height:100%; max-width:100%; padding:0px; vertical-align:middle; width:601px" /></p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;"><img alt="工頻試驗變壓器聯(lián)線方式示意圖" src="http://www.sffxy.com/UpFile/201605/2016050456967749.jpg" style="-webkit-appearance:none; -webkit-tap-highlight-color:transparent; border:0px; height:auto; margin:0px; max-height:100%; max-width:100%; padding:0px; vertical-align:middle" /></p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">油浸式高壓試驗變壓器：容量大，價格便宜，維修方便，主品。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">充氣式高壓試驗變壓器：滅弧性好，重量輕。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">干式高壓試驗變壓器：重量輕，體積輕，可倒放，價格貴。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">串激式高壓試驗變壓器：容量小、電壓低、重量輕，便于運輸和安裝。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">絕緣筒式高壓試驗變壓器成套設備配套性強，電壓容量系列齊全，功能完善。</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">輸入電壓：AC 220(380)V 可選<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />低壓輸出：AC 0-250（430）V<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />低壓電流：0-5/10/15/50A(可按客戶要求定制)<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />輸出容量：0-3/5/10/15 kVA(可按客戶要求定制)<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />高壓電壓：0-50/100/150/200 kV(可按客戶要求定制)<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />高壓電流：0-50/100/150/200/500/1000/2000mA(可按客戶要求定制)<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />計時范圍：0-9999S<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />環(huán)境溫度：－20℃至50℃<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />電壓精度 ≤1.5% ±1個字(F.S)<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />電流精度 ≤1.5% ±1個字(F.S)</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">操作步驟：</p><p style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none; margin: 0px; padding: 0px; font-family: "microsoft yahei"; font-size: 14px;">1.輸入電源檢測及調壓器回零。<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />(1) 將三相電源線和零線分別接入試驗臺背面對應的接線柱，試驗變壓器將試驗臺柜體的接地螺栓可靠接地；<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />(2) 合上外電源閘刀；<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />(3) 將”總控制電源開關”撥至“開”的位置，此時“電源指示”開關柜通電試驗臺紅燈、所有表計及“帶燈按鈕綠燈”亮。<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />(4) 將“三相四線電源電壓轉換開關”分別撥動至“CA”、“BC”、“AB”可分別顯示相應的線電壓（380V）。<br style="-webkit-tap-highlight-color: transparent; -webkit-appearance: none;" />(5) 調壓器回零操作</p> <div 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