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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>上海變壓器短路阻抗測(cè)試系統(tǒng),變壓器</p><p><span>***更新：</span>2021-01-28 09:07:43</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="yrneqm3" 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(jī): </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(dāng)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="aokrizv" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="jn3ju8j" class="box"><p><p> 首先選擇變壓器的額定電壓。高壓側(cè)電壓與所接入電網(wǎng)電壓相等，低壓側(cè)電壓比低壓側(cè)電網(wǎng)的電壓高10%或5%（取決變壓器電壓等級(jí)和阻抗電壓大?。活~定容量選擇。計(jì)算變壓器所帶負(fù)荷的大小（要求統(tǒng)計(jì)比較大綜合負(fù)荷，將有功負(fù)荷kW值換算成視在功率kVA），上海變壓器短路阻抗測(cè)試系統(tǒng)，如果是兩臺(tái)變壓器，那么每臺(tái)變壓器的容量可按照比較大綜合負(fù)荷的70%選擇，一臺(tái)變壓器要按總負(fù)荷考慮，并留有適當(dāng)?shù)脑６?。其它明星參?shù)可結(jié)合變壓器產(chǎn)品適當(dāng)考慮。例如：選擇35/10kV變壓器。假定比較大負(fù)荷為3500kW，上海變壓器短路阻抗測(cè)試系統(tǒng)，功率因數(shù)為，選兩臺(tái)變壓器，容量S=×3500/，可選擇3150kVA的變壓器，電壓比為35kV/。再從產(chǎn)品目錄中選擇型號(hào)，上海變壓器短路阻抗測(cè)試系統(tǒng)。具有自動(dòng)放電和放電指示功能，減少誤操作，保證設(shè)備及人員安全。上海變壓器短路阻抗測(cè)試系統(tǒng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海變壓器短路阻抗測(cè)試系統(tǒng),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368063710938/7461720.png"></div><p> 在鐵芯中產(chǎn)生的交變磁通不僅穿過原繞組，同時(shí)也穿過副繞組，它分別在兩個(gè)繞組中引起感應(yīng)電動(dòng)勢(shì)。這時(shí)如果開關(guān)K合上，副繞組與外電路的負(fù)載相連通，便有電流I2流出，負(fù)載端電壓即為U2，于是輸出電能。對(duì)變壓器的作用和工作原理有了一定的了解后，我們來討論一下變壓器分接開關(guān)應(yīng)該如何調(diào)整？運(yùn)行中系統(tǒng)電壓過高或過低，影響設(shè)備的正常運(yùn)行時(shí)，需要對(duì)變壓器分接開關(guān)進(jìn)行適當(dāng)?shù)卣{(diào)整，以保持變壓器二次側(cè)電壓的正常。10kV變壓器的分接開關(guān)有三個(gè)位置，調(diào)壓范圍為±5%，當(dāng)系統(tǒng)的電壓變化不超過額定電壓的±5%時(shí)，可以通過調(diào)節(jié)變壓器分接開關(guān)的位置來解決電壓過高或過低的問題。無載調(diào)壓的配電變壓器，分接開關(guān)有三擋，即Ⅰ擋時(shí)，為10500/400V；Ⅱ擋時(shí)，為10000/400V；Ⅲ擋時(shí)，為9500/400V。當(dāng)系統(tǒng)電壓高，超過額定電壓時(shí)，變壓器二次側(cè)母線電壓高，需要將變壓器分接開關(guān)調(diào)到Ⅰ擋位置。如果系統(tǒng)電壓低，達(dá)不到額定電壓時(shí)，變壓器二次側(cè)電壓低，就需要將變壓器分接開關(guān)調(diào)至Ⅲ擋位置。即所謂的“高往高處調(diào)，低往低處調(diào)”。但是，變壓器分接開關(guān)的調(diào)整要注意相對(duì)地穩(wěn)定，不可頻繁調(diào)整，否則將影響變壓器的運(yùn)行壽命。貴州高壓變壓器檢測(cè)變壓器容量（特性）現(xiàn)場(chǎng)測(cè)試儀是一種非常適合現(xiàn)場(chǎng)準(zhǔn)確測(cè)量變壓器容量和型式的多功能儀表。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海變壓器短路阻抗測(cè)試系統(tǒng),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368500371094/6122012.png"></div><p style="text-indent:25px">單相空載測(cè)試單相空載測(cè)試項(xiàng)目通常用來測(cè)試單相變壓器的空載損耗和空載電流百分比。也可用來對(duì)三相變壓器進(jìn)行逐相測(cè)試（主要用來檢測(cè)被測(cè)變壓器有沒有單相故障）。在現(xiàn)場(chǎng)無三相電源的情況下，也需要用到這種試驗(yàn)方法。單相空載用儀器的A相電壓和A相電流進(jìn)行測(cè)試。如圖所示，用一單相電源作為測(cè)試電源，火線接到測(cè)試儀的A相電流端子正端，黃鉗子粗線接到A相電流端子的負(fù)端，細(xì)線接到A相電壓端子Ua，紅鉗子粗線直接接到測(cè)試電源的零線，細(xì)線接到B相電壓端子Ub，兩把鉗子分別夾到低壓側(cè)兩個(gè)接線柱上。高壓側(cè)開路。</p><p style="text-indent:25px">變壓器直流電阻測(cè)試儀的注意事項(xiàng)：在測(cè)量過程中，除要嚴(yán)格遵守電氣安全規(guī)程和設(shè)備試驗(yàn)規(guī)程外，還要特別注意：1）在線圈溫度穩(wěn)定的情況下進(jìn)行測(cè)量，要求變壓器油箱上、下部的溫度之差不超過３℃；2）由于變壓器線圈存有電感，測(cè)量時(shí)的充電電流不太穩(wěn)定，一定要在電流穩(wěn)定后再計(jì)數(shù)，必要時(shí)需采取縮短充電時(shí)間的措施；3）盡量減少試驗(yàn)回路中的導(dǎo)線接觸電阻，運(yùn)行中的變壓器分接頭常受油膜等污物的影響使其接觸不良，一般需切換數(shù)次后再測(cè)量，以免造成判別錯(cuò)誤；4）測(cè)量變壓器低壓側(cè)時(shí)，所有人員應(yīng)與高壓側(cè)保持適當(dāng)安全距離；5）儀器在運(yùn)輸、儲(chǔ)存及工作中應(yīng)避免強(qiáng)烈震動(dòng)、陽光直射和磁場(chǎng)的影響，存放保管儀器時(shí)，應(yīng)注意環(huán)境溫度和濕度，應(yīng)放在干燥、通風(fēng)、無腐蝕氣體的地方為宜，不得受潮、雨淋、暴曬，使用時(shí)輕拿、輕放，不得跌落。變壓器有其做試驗(yàn)而用的，是試驗(yàn)變壓器，分別可以分為充氣式，油浸式，干式等試驗(yàn)變壓器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海變壓器短路阻抗測(cè)試系統(tǒng),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368770742188/2167683.png"></div><p style="text-indent:25px">在直流電阻測(cè)試完成后,變壓器有時(shí)會(huì)有剩磁,造成不能立即運(yùn)行的情況出現(xiàn),在測(cè)試完成后，將測(cè)試線正負(fù)極顛倒,進(jìn)行一下反向充電,可有效避免上述情況出現(xiàn)。具體時(shí)間根據(jù)變壓器容量不同，以及測(cè)試電流的大小,靈活掌握。有載調(diào)壓的變壓器測(cè)量高壓側(cè)電阻時(shí)從1或17zui大電阻檔開始測(cè)量。為節(jié)約時(shí)間，測(cè)試過程中可按復(fù)位鍵，不必等待放電過程結(jié)束,便可直接再次氣動(dòng)測(cè)量。量程范圍內(nèi)盡量選用大電流以增強(qiáng)穩(wěn)定性能，同時(shí)也應(yīng)考慮試品電流的承受能力?？蓽y(cè)量三相電壓、三相電流、平均電壓、平均電流、兩相有功功率。貴州高壓變壓器檢測(cè)</p><p style="text-indent:25px">存放保管儀器時(shí)，應(yīng)注意環(huán)境溫度和濕度。上海變壓器短路阻抗測(cè)試系統(tǒng)</p><p style="text-indent:25px">大部份的變壓器均有固定的鐵芯，其上繞有一次與二次的線圈?；阼F材的高導(dǎo)磁性，大部份磁通量局限在鐵芯里，因此，兩組線圈藉此可以獲得相當(dāng)高程度之磁耦合。在一些變壓器中，線圈與鐵芯二者間緊密地結(jié)合，其一次與二次電壓的比值幾乎與二者之線圈匝數(shù)比相同。因此，變壓器之匝數(shù)比，一般可作為變壓器升壓或降壓的參考指標(biāo)。由于此項(xiàng)升壓與降壓的功能，使得變壓器已成為現(xiàn)代化電力系統(tǒng)之一重要附屬物，提升輸電電壓使得長途輸送電力更為經(jīng)濟(jì)，至于降壓變壓器，它使得電力運(yùn)用方面更加多元化，吾人可以如是說，倘無變壓器，則現(xiàn)代工業(yè)實(shí)無法達(dá)到現(xiàn)況。上海變壓器短路阻抗測(cè)試系統(tǒng)</p><p style="text-indent:25px">深圳市展榮新精密電子有限公司是一家一般經(jīng)營項(xiàng)目是：經(jīng)營電子商務(wù)，國內(nèi)貿(mào)易，經(jīng)營進(jìn)出口業(yè)務(wù)（以上法律、行政法規(guī)決定規(guī)定在登記前須經(jīng)批準(zhǔn)的項(xiàng)目除外，限制的項(xiàng)目須取得許可后方可經(jīng)營）。許可經(jīng)營項(xiàng)目是：變壓器檢測(cè)儀表的開發(fā)及生產(chǎn)、變壓器綜合測(cè)試儀的開發(fā)及生產(chǎn)、線材測(cè)試儀的開發(fā)及生產(chǎn)、儀器儀表的開發(fā)及生產(chǎn)、銷售。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠實(shí)可信的企業(yè)。展榮新精密電子作為一般經(jīng)營項(xiàng)目是：經(jīng)營電子商務(wù)，國內(nèi)貿(mào)易，經(jīng)營進(jìn)出口業(yè)務(wù)（以上法律、行政法規(guī)決定規(guī)定在登記前須經(jīng)批準(zhǔn)的項(xiàng)目除外，限制的項(xiàng)目須取得許可后方可經(jīng)營）。許可經(jīng)營項(xiàng)目是：變壓器檢測(cè)儀表的開發(fā)及生產(chǎn)、變壓器綜合測(cè)試儀的開發(fā)及生產(chǎn)、線材測(cè)試儀的開發(fā)及生產(chǎn)、儀器儀表的開發(fā)及生產(chǎn)、銷售。的企業(yè)之一，為客戶提供良好的變壓器電感平衡測(cè)試儀，變壓器綜合測(cè)試儀，高壓測(cè)試儀19053，展榮新（臺(tái)儀達(dá)）系列產(chǎn)品。展榮新精密電子致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來良好體驗(yàn)。展榮新精密電子始終關(guān)注儀器儀表行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: 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