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href="http://www.cdcfah.com/cp/second-dgdq_dgyqybwr/">電工儀器儀表</a>?<a href="http://www.cdcfah.com/cp/third-dgyqybwr_cscsyqez/">參數(shù)測試儀器</a>?江西變壓器常規(guī)試驗設(shè)備服務至上展榮新精密電子供應</p><div id="ukk33ol" class="leftbox clearfix"><h1>江西變壓器常規(guī)試驗設(shè)備服務至上展榮新精密電子供應</h1><div id="xnolazi" class="proBig"><div id="oyjoo2j" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368129267578/9378652.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hiiwrvz" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368129267578/9378652.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7ie9ofm" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江西變壓器常規(guī)試驗設(shè)備</p><p><span>***更新：</span>2020-06-28 07:22:54</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="1vtiyod" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市展榮新精密電子有限公司</a></p><p><span>聯(lián)系人：</span>喻孟峨</p><p><span>郵箱: </span>113527410@qq.com</p><p><span>電話: </span>15012892536</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0755-27923475</p><p><span>地址: </span>航城街道黃田社區(qū)崗貝工業(yè)區(qū)綜合樓10棟401</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="mcxnx7m" class="page-proshow02"><p class="title">詳細說明</p><div id="m6esccg" class="box"><p><p style="text-indent:25px">結(jié)合現(xiàn)代數(shù)字變頻技術(shù)，采用微機控制，自動升壓、降壓、放電，運有光電控制輸出0.1HZ正弦波，并且在自動升壓過程中能進行人工干預。由于全電子化，所以體積小重量輕，大屏幕液晶顯示，清晰直觀，且能顯示輸出波形并帶打印輸出。設(shè)計指標完全符合電力行業(yè)標準，使用十分方便。現(xiàn)在國內(nèi)外均采用機械式的辦法進行調(diào)制和解調(diào)產(chǎn)生**頻信號，所以存在正弦波波形不標準，測量誤差大，高壓部分有火花放電，設(shè)備笨重，而且正弦波的二，江西變壓器常規(guī)試驗設(shè)備，四象限還需要大功率高壓電阻進行放電整形，所以設(shè)備的整體功耗較大。**頻高壓發(fā)生器均能克服這樣一些不足之處，另外保護功能設(shè)計如下：過壓保護：當超過所設(shè)定的試驗電壓值的百分之十時（或1.1倍），江西變壓器常規(guī)試驗設(shè)備，儀器將停機保護，動作時間小于20毫秒，江西變壓器常規(guī)試驗設(shè)備。過流保護：設(shè)計為高低壓雙重保護，高壓側(cè)可按設(shè)定值進行精確停機保護；低壓側(cè)的電流超過額定電流時將進行停機保護，動作時間都小于20毫秒。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西變壓器常規(guī)試驗設(shè)備" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368129267578/9378652.png"></div><p style="text-indent:25px">變壓器交流耐壓試驗設(shè)備：交流耐壓試驗中，通常我們會遇到的電力試驗設(shè)備包括“串聯(lián)諧振耐壓試驗裝置”、“干式試驗變壓器”、“感應耐壓試驗裝置”。（1）串聯(lián)諧振試驗裝置：變頻串聯(lián)諧振試驗裝置是運用串聯(lián)諧振原理，利用勵磁變壓器激發(fā)串聯(lián)諧振回路，調(diào)節(jié)變頻控制器的輸出頻率，使回路電感L和試品C串聯(lián)諧振，諧振電壓即為加到試品上電壓。變頻諧振試驗裝置普遍適用于電力、冶金、石油、化工等行業(yè)，適用于大容量，高電壓的電容性試品的交接和預防性試驗。(2)干式試驗變壓器：按交流耐壓試驗規(guī)程，各種大型電力變壓器、電力電纜、汽輪及水輪發(fā)電機及其它容性設(shè)備都必須嚴格定期進行交流耐壓試驗。我們常用的干式試驗變壓器分為一體式高壓試驗變壓器（30kV以下）和分體式試驗變壓器兩類。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江西變壓器常規(guī)試驗設(shè)備" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368500371094/6122012.png"></div><p style="text-indent:25px">變壓器高壓(110KV及以上)側(cè)單相接地短路應裝設(shè)后備保護,作為變壓器高壓繞組和相鄰元件接地故障主保護的后備。220KV及以上的大型變壓器,高壓統(tǒng)組均為分級絕緣,其中性點絕緣水平有兩種類型類絕緣水平很低,例如500KV系統(tǒng)的中性點絕緣水平為38KV的變壓器,中性點必須直接接地運行;另一類絕水平較高,例如220KV變壓器的中性點絕緣水平為110KV,其性點可直接接地,也可在系統(tǒng)中不失去接地點的情況下不接地運行。當系統(tǒng)發(fā)生接地短路時,變壓器中性點就將承受中性點對地電壓。為了限割系統(tǒng)接地故障的短路容量和零序電流水平,也為了接地保護本身的需要,有必要將220KV變器的部分中性點不接地運行。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/420484.html</p></div></div></div></div></div><div id="gccbmg9" class="page-right twoColRt"><div id="jjtdnjk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="tujj7w7" 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="quuho2e" class="recomPic 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