無(wú)局放試驗(yàn)電子變壓器誠(chéng)信經(jīng)營(yíng) 展榮新精密電子供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="變壓器低電壓短路阻抗測(cè)試儀，適用于電力變壓器（單相或三相）出廠、大修、預(yù)試以及交接試驗(yàn)中低電壓負(fù)載阻抗測(cè)試。常規(guī)試驗(yàn)項(xiàng)目中的基本項(xiàng)目，無(wú)局放試驗(yàn)電子變壓器，其原理是在現(xiàn)場(chǎng)對(duì)電力變壓器進(jìn)行短路阻抗（%）測(cè)試，并與銘牌值或出廠值進(jìn)行比較，能發(fā)現(xiàn)"><meta name="keywords" content="無(wú)局放試驗(yàn)電子變壓器,變壓器"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368063710938/7461720.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3bhhn3h" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368063710938/7461720.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hdjn3rx" 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>無(wú)局放試驗(yàn)電子變壓器,變壓器</p><p><span>***更新：</span>2021-01-25 00:17:20</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="7tx7fdd" 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="njv7vjh" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3ljpdr3" class="box"><p><p style="text-indent:25px">變壓器低電壓短路阻抗測(cè)試儀，適用于電力變壓器（單相或三相）出廠、大修、預(yù)試以及交接試驗(yàn)中低電壓負(fù)載阻抗測(cè)試。常規(guī)試驗(yàn)項(xiàng)目中的基本項(xiàng)目，無(wú)局放試驗(yàn)電子變壓器，其原理是在現(xiàn)場(chǎng)對(duì)電力變壓器進(jìn)行短路阻抗（%）測(cè)試，并與銘牌值或出廠值進(jìn)行比較，能發(fā)現(xiàn)出廠試驗(yàn)后經(jīng)運(yùn)輸、安裝和運(yùn)行中嚴(yán)重故障電流等所造成的繞組位移、變形等缺陷，無(wú)局放試驗(yàn)電子變壓器。變壓器低電壓短路阻抗測(cè)試儀用于現(xiàn)場(chǎng)和試驗(yàn)室條件下對(duì)35KV級(jí)及以上主變壓器進(jìn)行低電壓短路阻抗測(cè)量的儀器。該儀器設(shè)計(jì)精巧，性能優(yōu)越，內(nèi)部采用較新型的單片機(jī)測(cè)試技術(shù)及數(shù)字信號(hào)處理技術(shù)，測(cè)量數(shù)據(jù)準(zhǔn)確；外部采用7寸觸摸彩色液晶顯屏，顯示中文操作菜單，觸摸操作更便捷，同時(shí)配備熱敏打印機(jī)和存儲(chǔ)功能，方便數(shù)據(jù)的打印和存，將所需導(dǎo)出的數(shù)據(jù)可通過(guò)USB轉(zhuǎn)存到計(jì)算機(jī)；儀器體積小，便于現(xiàn)場(chǎng)使用攜帶；本儀器輸入?yún)?shù)，便可進(jìn)行單、三相測(cè)試并自動(dòng)計(jì)算變壓器阻抗誤差百分比，測(cè)試結(jié)果非常直觀，無(wú)局放試驗(yàn)電子變壓器，是現(xiàn)場(chǎng)測(cè)試變壓器有無(wú)繞組變形的快速測(cè)試儀器。允許外接電壓互感器和電流互感器進(jìn)行擴(kuò)展量程測(cè)量，可測(cè)量任意參數(shù)的被試品。無(wú)局放試驗(yàn)電子變壓器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)局放試驗(yàn)電子變壓器,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368063710938/7461720.png"></div><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(zhǎng)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(shuō)，倘無(wú)變壓器，則現(xiàn)代工業(yè)實(shí)無(wú)法達(dá)到現(xiàn)況。江蘇變壓器安全試驗(yàn)不會(huì)因電壓檔位選錯(cuò)而對(duì)儀器本身有所損壞。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)局放試驗(yàn)電子變壓器,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368711884766/5770221.png"></div><p style="text-indent:25px">變壓器直流電阻試驗(yàn)及實(shí)驗(yàn)儀器：試驗(yàn)介紹：測(cè)量直流電阻的目是檢查電氣設(shè)備繞組或線圈的質(zhì)量及回路的完整性，以發(fā)現(xiàn)制造或運(yùn)行中因振動(dòng)而產(chǎn)生的機(jī)械應(yīng)力等原因所造成的導(dǎo)線斷裂、接頭開(kāi)焊、接觸不良、匝間短路等缺陷。試驗(yàn)設(shè)備：10A直流電阻測(cè)試儀被試設(shè)10KV/1000kVA油浸式變壓器（高壓側(cè)為三角形接法，低壓側(cè)星形接法）試驗(yàn)方法：試驗(yàn)接線：高壓側(cè)：AB/AC/BC,低壓側(cè)：AO/BO/CO1、測(cè)量前的準(zhǔn)備：首先將電源線以及地線可靠連接到直阻儀上，然后把隨機(jī)附帶的測(cè)試線連接到直阻儀面板與其顏色相對(duì)應(yīng)的輸入輸出接線端子上，將測(cè)試線末端的測(cè)試鉗夾到待測(cè)變壓器繞組兩端，并用力摩擦接觸點(diǎn)，以確保接觸良好。</p><p style="text-indent:25px">短路承受能力試驗(yàn)是投擬運(yùn)行中極為嚴(yán)酷的短路故障，即網(wǎng)絡(luò)容量足夠大、負(fù)載阻抗為零，而且在電壓過(guò)零時(shí)獲得zui人的非對(duì)稱電流。變壓器繞組、分接開(kāi)關(guān)、套管、引線及各機(jī)械緊固部件將承受來(lái)自短路電流所產(chǎn)生的巨大的動(dòng)穩(wěn)定效應(yīng)與熱效應(yīng)的考核。從而驗(yàn)證結(jié)構(gòu)的合理性與運(yùn)行的可靠性。變壓器承受熱穩(wěn)定的能力，通常按照產(chǎn)品在運(yùn)行溫度下發(fā)生短路，對(duì)稱短路電流產(chǎn)生的熱效應(yīng)全部用來(lái)提高繞組溫度；GB 1094.5規(guī)定變壓器承受熱穩(wěn)定能力可通過(guò)計(jì)算來(lái)驗(yàn)證。承受短路的動(dòng)穩(wěn)定能力應(yīng)通過(guò)試驗(yàn)或計(jì)算和設(shè)計(jì)驗(yàn)證其結(jié)構(gòu)、工藝和制造的討靠性；試驗(yàn)通常在強(qiáng)電流試驗(yàn)站進(jìn)行；試驗(yàn)電源可以是網(wǎng)絡(luò)，也可以是沖擊發(fā)電機(jī)組，一般均需配置合適的短路試驗(yàn)變壓器和電抗器。變壓器的生產(chǎn)研發(fā)是非常復(fù)雜的，一般生產(chǎn)變壓器的廠家都是技術(shù)水平比較高的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)局放試驗(yàn)電子變壓器,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368098925781/9464422.png"></div><p style="text-indent:25px">變壓器的品質(zhì)好壞對(duì)聲音的影響很大，因?yàn)樽儔浩鞯膫鬏斈芰颗c鐵芯、線圈密切關(guān)聯(lián)，其傳遞速率對(duì)聲音的影響起決定性作用。像EI型變壓器，人們通常覺(jué)得它的中頻比較厚，高頻則比較纖細(xì)，為什么呢?因?yàn)樗膫鬏斔俣认鄬?duì)比較慢。而環(huán)型呢?低頻比較猛，中高頻則又稍弱一點(diǎn)，為什么?因?yàn)樗鼈鬏斔俣缺容^快，但是如果通過(guò)有效的結(jié)構(gòu)改變，你就可以把環(huán)型和EI型都做得非常完美，所以關(guān)鍵還是要看你怎么做。不過(guò)至少可以肯定一點(diǎn)的是，R型變壓器不是太容易做好。用它來(lái)做小電流的前級(jí)功放和CD唱機(jī)電源還可以，如果用來(lái)做后級(jí)功放的電源，則有比較嚴(yán)重的缺陷。因?yàn)镽型變壓器本身的結(jié)構(gòu)形式不太容易改變，而環(huán)型和EI型則相對(duì)容易通過(guò)改變結(jié)構(gòu)來(lái)達(dá)到靚聲目的。采用R型變壓器制作的功率放大器電源，通常聲音很板結(jié)而匱乏靈氣，低頻往往沒(méi)有彈跳力而顯得較硬。非額定電壓校正、非額定電流校正等多種校正，使測(cè)試結(jié)果準(zhǔn)確度更高。無(wú)局放試驗(yàn)電子變壓器</p><p style="text-indent:25px">對(duì)各種類型變壓器可實(shí)現(xiàn)快速準(zhǔn)確測(cè)量，具有操作簡(jiǎn)便、精度高、抗干擾等特點(diǎn)。無(wú)局放試驗(yàn)電子變壓器</p><p style="text-indent:25px">測(cè)定電動(dòng)機(jī)三相繞組頭尾的兩種方法：在電動(dòng)機(jī)6根引出線標(biāo)記無(wú)法確認(rèn)時(shí)，我們可利用交流電源和燈泡檢查電動(dòng)機(jī)三相繞組的頭尾端，以免將繞組接錯(cuò)。用交流電源和燈泡確定電動(dòng)機(jī)三相繞組的方法是：首先用36V低壓燈做試燈，分出電動(dòng)機(jī)每一相線圈的兩個(gè)線端，然后將兩相線圈串接后通入220V電源，剩下的一相線圈兩端接36V的燈泡線路通入電源后，燈泡發(fā)亮，說(shuō)明所串聯(lián)的兩相是頭尾相接；燈泡不亮，說(shuō)明是頭頭相接，如圖26(a)所示。然后將測(cè)出的兩相線圈頭尾做一標(biāo)記，再按此方法將其中一相與原來(lái)接燈泡的一相線圈串聯(lián)，另一相連接燈泡，再按同樣道理判斷，電動(dòng)機(jī)三相繞組的頭尾就很容易區(qū)分出來(lái)了。另一種方法是用萬(wàn)用表測(cè)定電動(dòng)機(jī)三相繞組頭尾，首先用萬(wàn)用表測(cè)量出電動(dòng)機(jī)6個(gè)接線端哪兩個(gè)線端為同一相，然后將萬(wàn)用表的直流毫安擋撥到較小一擋，并將表筆接到三相繞組的某一組兩端，而電池正負(fù)極接到另一相的兩個(gè)線端上。無(wú)局放試驗(yàn)電子變壓器</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(yíng)項(xiàng)目是：經(jīng)營(yíng)電子商務(wù)，國(guó)內(nèi)貿(mào)易，經(jīng)營(yíng)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(yíng)）。許可經(jīng)營(yíng)項(xiàng)目是：變壓器檢測(cè)儀表的開(kāi)發(fā)及生產(chǎn)、變壓器綜合測(cè)試儀的開(kāi)發(fā)及生產(chǎn)、線材測(cè)試儀的開(kāi)發(fā)及生產(chǎn)、儀器儀表的開(kāi)發(fā)及生產(chǎn)、銷(xiāo)售。的公司，致力于發(fā)展為創(chuàng)新務(wù)實(shí)、誠(chéng)實(shí)可信的企業(yè)。公司自創(chuàng)立以來(lái)，投身于變壓器電感平衡測(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，是儀器儀表的主力軍。展榮新精密電子繼續(xù)堅(jiān)定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長(zhǎng)，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。展榮新精密電子始終關(guān)注儀器儀表市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2992541.html</p></div></div></div></div></div><div id="h7plnbh" class="page-right twoColRt"><div id="dlbzpdh" class="box01 margin10 clearfix"><h3><a 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