廣州電子變壓器負(fù)荷監(jiān)測儀來電咨詢展榮新精密電子供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="對于三角形聯(lián)結(jié)的繞組進(jìn)行三相試驗(yàn)時，如果低壓側(cè)為星形聯(lián)結(jié)，可采用測量低壓電流的方法；對于三角形聯(lián)結(jié)的繞組進(jìn)行單相試驗(yàn)時，單相電壓應(yīng)施加在三角形的兩個角上，試驗(yàn)時的電壓應(yīng)與三相試驗(yàn)時的相間電壓相同；對于星形聯(lián)結(jié)繞組，如果電源容量不足以進(jìn)行上述"><meta name="keywords" content="廣州電子變壓器負(fù)荷監(jiān)測儀,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 name="baidu-site-verification" 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id="hlds32b" 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>廣州電子變壓器負(fù)荷監(jiān)測儀,變壓器</p><p><span>***更新：</span>2021-02-04 09:16:52</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="rq28mox" 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="p78e2yf" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="jyah8nk" class="box"><p><p style="text-indent:25px">對于三角形聯(lián)結(jié)的繞組進(jìn)行三相試驗(yàn)時，如果低壓側(cè)為星形聯(lián)結(jié)，可采用測量低壓電流的方法；對于三角形聯(lián)結(jié)的繞組進(jìn)行單相試驗(yàn)時，單相電壓應(yīng)施加在三角形的兩個角上，試驗(yàn)時的電壓應(yīng)與三相試驗(yàn)時的相間電壓相同；對于星形聯(lián)結(jié)繞組，如果電源容量不足以進(jìn)行上述單相試驗(yàn)，而中性點(diǎn)可以利用且能承受相關(guān)的電流時，經(jīng)協(xié)商單相電源可施加于線端與中性點(diǎn)之間。短路試驗(yàn)可以采用預(yù)先短路、選相合閘，廣州電子變壓器負(fù)荷監(jiān)測儀，也可以采用預(yù)先送電、選相短路的方法。對于單同心式繞組的變壓器采用預(yù)先短路時，廣州電子變壓器負(fù)荷監(jiān)測儀，為了避免zui初幾個周波中由于鐵心飽和產(chǎn)生的勵磁電流疊加在短路電流上，施加電壓的繞組應(yīng)該選距鐵心較遠(yuǎn)的那個繞組。對于雙同心式繞組（高/低/高）和交疊式繞組的變壓器采用預(yù)先短路的方法試驗(yàn)時，廣州電子變壓器負(fù)荷監(jiān)測儀，制造單位需與用戶協(xié)商。變壓器里起決定性作用的還是電壓的比，這是一定不會變化的，從這點(diǎn)來說也應(yīng)該是恒壓做起來比較容易。廣州電子變壓器負(fù)荷監(jiān)測儀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州電子變壓器負(fù)荷監(jiān)測儀,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368672089844/7803755.png"></div><p> 變壓器據(jù)主要用途，可分成電力工程變壓器和**型變壓器（爐壁變壓器、整流器變壓器、直流實(shí)驗(yàn)變壓器等），電壓調(diào)節(jié)器、礦用防變壓器、聲頻變壓器、高頻變壓器、高頻率變壓器、沖擊性變壓器、儀表盤變壓器、電子器件變壓器、串聯(lián)電抗器、變壓器等）。電磁灶是一種運(yùn)用電流的磁效應(yīng)加溫基本原理生產(chǎn)制造的電炊具。它由高頻率電磁感應(yīng)加熱電磁線圈（即勵磁線圈）、高頻率輸出功率變換設(shè)備、控制板和磁鐵原材料底鍋構(gòu)成。加熱爐和電磁灶內(nèi)的加溫電磁線圈板構(gòu)成高頻率變壓器。內(nèi)部電磁線圈是變壓器的關(guān)鍵一部分，主次一部分是加熱爐。當(dāng)內(nèi)部一次加溫電磁線圈板有交流電流輸出時，必定會在二次爐墻上造成感應(yīng)電動勢，根據(jù)爐墻自身的電阻器造成發(fā)熱量（因此加熱爐自身也是一個負(fù)載）。變壓器歸類。原理：變壓器是一種轉(zhuǎn)換交流電流、交流電路和特性阻抗的設(shè)備。當(dāng)一次電磁線圈中有交流電路時，鐵芯（或鐵芯）會造成溝通交流磁通量，進(jìn)而在二次電磁線圈中造成工作電壓（或電流量）。變壓器由變壓器鐵芯（或變壓器骨架）和電磁線圈構(gòu)成。電磁線圈有兩個或2個之上的繞阻，在其中聯(lián)接到開關(guān)電源的繞阻稱之為一次電磁線圈，其他的稱之為二次電磁線圈。變壓器歸類：電容器。 </p> <p> 高壓電子變壓器測試空載損耗當(dāng)額定頻率下的額定電壓（分接電壓）施加到一個繞組的端子。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州電子變壓器負(fù)荷監(jiān)測儀,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368417158203/3339392.png"></div><p style="text-indent:25px">變壓器滲漏油的原因分析：1、橡膠密封件失效和焊縫開裂變壓器的焊點(diǎn)多、焊縫長，而油浸式變壓器是以鋼板焊接殼體為基礎(chǔ)的多種焊接和連接的體。一臺31500kVA變壓器的總焊點(diǎn)達(dá)70余處，焊縫總長近20m左右，因此滲漏途徑可能較多。直接滲漏的原因是橡膠密封件失效和焊縫開裂、氣孔、夾渣等。2、密封膠件老化、龜裂、變形變壓器滲漏多發(fā)生在連接處，而95 %以上主要是由密封膠件引起的。密封膠件質(zhì)量的好壞主要取決于它的耐油性能，耐油性能較差的，老化速度就較快，特別是在高溫下，其老化速度就更快，極易引起密封件老化、龜裂，變質(zhì)、變形，以至失效，造成變壓器滲漏油。</p><p style="text-indent:25px">試驗(yàn)前準(zhǔn)備：1.了解被試設(shè)備現(xiàn)場情況及試驗(yàn)條件查勘現(xiàn)場，查閱相關(guān)技術(shù)資料，包括該設(shè)備出廠試驗(yàn)數(shù)據(jù)、歷年試驗(yàn)數(shù)據(jù)及相關(guān)規(guī)程等，掌握該設(shè)備運(yùn)行及缺陷情況。2. 測試儀器、設(shè)備的準(zhǔn)備選擇繞組變形測試儀及配套試驗(yàn)接線、筆記本電腦(安裝有繞組變形測試儀配套軟件、曲線相關(guān)系數(shù)計算軟件并拷貝有被試變壓器繞組變形歷史數(shù)據(jù)存檔)、溫濕度計、接地線、電源線(帶剩余電流動作保護(hù)器)、安全帶、安全帽、電工常用工具、試驗(yàn)臨時安全遮欄、標(biāo)示牌等，并查閱測試儀器、設(shè)備及絕緣工器具的檢定證書有效期、相關(guān)技術(shù)資料、相關(guān)規(guī)程等3.辦理工作票并做好試驗(yàn)現(xiàn)場安全和技術(shù)措施工作負(fù)責(zé)人向試驗(yàn)人員交代工作內(nèi)容、帶電部位、現(xiàn)場安全措施、現(xiàn)場作業(yè)危險點(diǎn)，明確人員分工及試驗(yàn)程序。變壓器綜合測試儀一般在使用前一定要經(jīng)過嚴(yán)格的培訓(xùn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州電子變壓器負(fù)荷監(jiān)測儀,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368129267578/9378652.png"></div><p style="text-indent:25px">變比測試儀功能：（1）該變壓器變比測試儀自動產(chǎn)生幅值穩(wěn)定、相位恒定的三相、兩相、或單相標(biāo)準(zhǔn)電源。（2）不受變壓器內(nèi)部接線方式的約束，直接測量高、低壓側(cè)的電壓比值及相角差。（3）速度快，一組數(shù)據(jù)的測試時間為幾秒鐘，且能在測試過程中轉(zhuǎn)換分接開關(guān)，一氣呵成完成一臺變壓器的所有分接位置的測量，19分接位置變壓器的測試時間只需要10分鐘的時間，較大提高工作效率。（4）變壓器變比測試儀內(nèi)部具有過流保護(hù)功能。（5）測試結(jié)果不受工頻電源頻率及幅值波動的影響。（6）尤其適用于特種變壓器的變比及相位差測試。（7）全自動變比測試儀真正意義上的三相同時測量。（8）變壓器變比測試儀具備RS232接口，方便生產(chǎn)廠家的測試自動化要求。變壓器耐壓試驗(yàn)控制臺是由接觸式調(diào)壓器及其控制、保護(hù)、測量、信號電路組成。遼寧電源變壓器檢測</p><p style="text-indent:25px">可測量各種類型的變壓器的空載電流、空載損耗、阻抗電壓、負(fù)載損耗、零序阻抗。廣州電子變壓器負(fù)荷監(jiān)測儀</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和阻抗電壓大?。活~定容量選擇。計算變壓器所帶負(fù)荷的大?。ㄒ蠼y(tǒng)計比較大綜合負(fù)荷，將有功負(fù)荷kW值換算成視在功率kVA），如果是兩臺變壓器，那么每臺變壓器的容量可按照比較大綜合負(fù)荷的70%選擇，一臺變壓器要按總負(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，功率因數(shù)為，選兩臺變壓器，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。廣州電子變壓器負(fù)荷監(jiān)測儀</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3157913.html</p></div></div></div></div></div><div id="crjgyk2" class="page-right twoColRt"><div id="dmoqskj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hbtvs2t" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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