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onblur="if(this.value=='')this.value='請輸入您要查詢的產(chǎn)品'" onfocus="this.value=''" value="請輸入您要查詢的產(chǎn)品" type="text" class="search-txt"> <input name="" type="submit" class="search-btn" value=""> </form> </div> <div id="yq00aqiue" class="clear"></div> </div> </div> <div id="yq00aqiue" class="nybanner"><img src="/skins/106676/images/nybanner.jpg"></div> <script src="http://www.chem17.com/mystat.aspx?u=mbdzkj"></script>  <div id="yq00aqiue" class="ncontent w_1100"> <div id="yq00aqiue" class="h-6">技術(shù)文章<span>您當(dāng)前的位置：<a href="/">首頁</a> > <a href="/article.html">技術(shù)文章</a> > 直流高壓發(fā)生器通用技術(shù)條件</span></div>  <div id="yq00aqiue" class="n-3 c-news"> <div id="yq00aqiue" class="newsnr"> <h1>直流高壓發(fā)生器通用技術(shù)條件</h1> <p class="source"><span>日期：2017-03-23</span><span>瀏覽：1552次</span></p> <div> <p><span style="font-size:16px">直流高壓發(fā)生器通用技術(shù)條件</span></p><p><span style="font-size:16px">直流高壓發(fā)生器采用中頻倍壓電路，新型直流高壓發(fā)生器應(yīng)用PWM脈寬調(diào)制技術(shù)和大功率IGBT器件，根據(jù)電磁兼容性理論，采用特殊屏蔽、隔離和接地等措施。使直流高壓試驗實現(xiàn)了高品質(zhì)、便攜式并能承受額定電壓放電而不損壞。直流高壓發(fā)生器具有多種保護(hù)功能，如：低壓過流、低壓過壓、高壓過流、高壓過壓、零位保護(hù)、不接地保護(hù)等。智能直流高壓發(fā)生器采用故障取樣的傳感器，動作時間為納秒級，光隔離元件也為納秒級，動作時間一般在10微秒可*關(guān)斷直流主回路。推動信號快速關(guān)斷保護(hù)在輸出端采用傳感器取樣，反應(yīng)時間為納秒級，通過納秒級的光隔離元件和納秒級的模擬開關(guān)，全過程在2微秒內(nèi)將功放電路的推動信號切斷，保證在輸出短路的情況下，不損壞功率器件。是指主要用于絕緣和漏電檢測中的高壓電源，現(xiàn)在高壓電源和高壓發(fā)生器已經(jīng)沒有嚴(yán)格的區(qū)別。直流高壓發(fā)生器在行業(yè)內(nèi)采用分節(jié)式結(jié)構(gòu)，即既可用于高電壓等級，又能用于較低電壓等級，并保持其精度不變。以100/200kV/2mA分兩節(jié)為例，單節(jié)時可做100kV/2mA使用，可用于35kV及以下系統(tǒng)電氣設(shè)備直流高壓試驗，此時可保證測量的準(zhǔn)確性避免大馬拉小車；兩節(jié)使用時可做200kV/2mA 使用.可用于220kV分節(jié)、110kV及以下氧化鋅避雷器直流試驗及交聯(lián)電纜的直流耐壓試驗。真正做到一機兩用，大大方便了現(xiàn)場用戶的使用。主要用于研究電氣設(shè)備直流精電及換流站設(shè)備和絕緣材料在直流高電壓下的絕緣強度、直流愉電線路電暈和離子流及其效應(yīng) 以及進(jìn)行交、直流電力設(shè)備的泄漏電流試驗。另外還可以作為其他高壓試驗設(shè)備如沖擊電壓發(fā)生器、沖擊電流發(fā)生器、振蕩回路等的電源。在其他科技領(lǐng)域里，如物理學(xué)(加速器、電子顯微鏡等)、電子醫(yī)療設(shè)備(X射線)、工業(yè)應(yīng)用 (廢氣沉淀、靜電噴漆等)、或電子通信(電視、廣播站)等方面也被廣泛應(yīng)用。</span></p><p><span style="font-size:16px">直流高壓發(fā)生器<span style="line-height:1.2em">技術(shù)標(biāo)準(zhǔn)</span></span></p><p><span style="font-size:16px"><span style="line-height:1.6em">DL/T 848.1-2004 《高壓試驗裝置通用技術(shù)條件第1部分:直流高壓發(fā)生器》</span></span></p><p><span style="font-size:16px">DL/T 474.2-2006 《現(xiàn)場絕緣試驗實施導(dǎo)則第2部分:直流高電壓試驗》</span></p><p><span style="font-size:16px">DL/T596-2005 《電力設(shè)備預(yù)防性試驗規(guī)程》</span></p><p><span style="font-size:16px">GB1094.1-GB1094.6-96 《外殼防護(hù)等級》</span></p><p><span style="font-size:16px">GB2900　《電工名詞術(shù)語》</span></p><p><span style="font-size:16px">GB/T16927.1~2-1997　《高電壓試驗技術(shù)》</span></p><p><span style="font-size:16px">GB4793-1984 《電子測量儀器安全要求》</span></p><p><span style="font-size:16px">GB191 《包裝貯運標(biāo)志》</span></p><p><span style="font-size:16px">GB/T.311-1997 《高壓輸變電設(shè)備的絕緣與配合》</span></p><h2>直流高壓發(fā)生器<span style="font-size:16px">技術(shù)特點</span></h2><p><span style="font-size:16px"><span style="line-height:1.6em">1．體積更小、重量更輕、更美觀、更可靠、操作簡便、功能齊全，便于野外使用，是新世紀(jì)的可靠產(chǎn)品。</span></span></p><p><span style="font-size:16px">2．采用*技術(shù)、工藝制造，應(yīng)用的PUM智能脈寬調(diào)制技術(shù)、脈沖串邏輯陣列調(diào)</span></p><p><span style="font-size:16px"><span style="line-height:1.6em">制，采用大功率IGBT器件，利用智能技術(shù)提智能率，頻率高達(dá)40kHz，從而使輸出高壓穩(wěn)定度更高，波紋系數(shù)更小。</span></span></p><p><span style="font-size:16px">3．采用計算機控制技術(shù)，在大屏幕的LCD顯示器上顯示輸出直流高壓電壓、電流、過壓整定、計時、接地及各種保護(hù)信息。</span></p><p><span style="font-size:16px">4．*智能接地不良保護(hù)及報警功能（接地不良不能升壓），測壓回路斷線保護(hù)（高壓測量回路斷線儀器不能升壓），急停按鈕，大大提高了操作人員在作業(yè)過程中安全性。在特殊情況下還可解除接地不良保護(hù)報警功能（如采用發(fā)電機作為電源或現(xiàn)場接地不良但仍可試驗的情況下。）精度高、測量準(zhǔn)確。電壓、電流表均為數(shù)字顯示，電壓分辨率為0.1kV，電流分辨率為0.1uA，控制箱上電壓表直接顯示加在負(fù)載試品上的電壓值，使用時無需外加分壓器，接線簡單。儀器具有高、低壓端測量泄漏電流，高壓端采用圓形屏蔽數(shù)字表顯示，不怕放電沖擊，抗干擾性能好，適合現(xiàn)場使用。</span></p><p><span style="font-size:16px">5．電壓調(diào)節(jié)穩(wěn)定度高，全量程平滑調(diào)壓，輸出電壓調(diào)節(jié)采用進(jìn)口單個多圈電位器，升壓過程平穩(wěn)，調(diào)節(jié)精度高，并設(shè)計有粗調(diào)和細(xì)調(diào)功能。電壓調(diào)節(jié)精度優(yōu)于0.1%，電壓、電流測量誤差小于1.0%，脈動因數(shù)優(yōu)于0.5%。</span></p><p><span style="font-size:16px">6．增設(shè)了高精度75%VDC-1mA的功能，做氧化鋅避雷器測量帶來極大的方便。輕輕一按無須計算。本儀器控制箱上有75%的電壓功能鍵，在做避雷器試驗時，當(dāng)電流升到1000uA時、就打開0.75的按鈕，這時電壓表、電流表所顯示的值就是75%的數(shù)據(jù)，做完后應(yīng)立即將升壓的旋鈕回到零位上，同時將細(xì)調(diào)電壓旋鈕回到零位上，并應(yīng)立即按綠色按鈕，切斷高壓并關(guān)閉電源開關(guān)。再做其它的試驗。</span></p><p><span style="font-size:16px">7．倍壓筒可分節(jié)結(jié)構(gòu)，現(xiàn)場使用，靈活方便，一機多用，經(jīng)濟(jì)實惠。</span></p><p><span style="font-size:16px">8．倍壓筒體用德國技術(shù)研制；中頻變壓器經(jīng)有關(guān)專家特殊設(shè)計，體積小、容量大。倍壓筒體底座內(nèi)藏△—Y撐腳，即使用時展成Y形，支撐穩(wěn)定方便，裝箱時縮成△形，藏在底座內(nèi).</span></p> <div id="yq00aqiue" class="clear"></div> </div> <div id="yq00aqiue" class="article"> <p>上一篇：<a href="/Article-1219391.html">六相微機保護(hù)測試儀性能特點</a></p> <p>下一篇：<a href="/Article-1217653.html">T19-A交直流安培表規(guī)格及主要技術(shù)參數(shù)</a></p> </div> <div id="yq00aqiue" class="clear"></div> </div> </div> <div id="yq00aqiue" class="n-9"> <div id="yq00aqiue" class="c-right"> <div id="yq00aqiue" class="c-1 r-pro"> <div id="yq00aqiue" class="c-left"> <div id="yq00aqiue" class="h-2"><a href="/products.html">產(chǎn)品分類</a></div> <ul> <li><a href="/ParentList-1388067.html" onmouseover="showsubmenu('大電流發(fā)生器')" class="yj">大電流發(fā)生器</a> <div class="yq00aqiue" id="submenu_大電流發(fā)生器" style="display:none"> <ul> </ul> </div> </li> <li><a href="/ParentList-1384344.html" onmouseover="showsubmenu('LCR數(shù)字電橋')" class="yj">LCR數(shù)字電橋</a> <div 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