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</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="rfd9nl5" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="htt7jp5" class="box"><p><p style="text-indent:25px">變壓器是借助于電磁感應(yīng),在繞組之間交換交流電壓或電流的一種電氣設(shè)備。從電廠發(fā)出的電能,要經(jīng)過很長的輸電線路輸送給遠(yuǎn)方的用戶，為了減少輸電線路上的電能損耗,必須采用高壓或超高壓輸送。而目前一般發(fā)電廠發(fā)出的電壓，變壓器測試原理,由于受到絕緣水平的限制，電壓不能太高,這就要經(jīng)過變壓器將電廠發(fā)壓進(jìn)行升高送到電力網(wǎng)。這種變壓器統(tǒng)稱升壓變壓器，變壓器測試原理。對(duì)各用戶來說,各種電氣設(shè)備所要求的電壓又不太高,也要經(jīng)過變壓器，將電力系統(tǒng)的高電壓變成符合用戶各種電氣設(shè)備要求的額定電壓。作為這種用途的變壓器統(tǒng)稱降壓器，變壓器測試原理。電力變壓器是電力系統(tǒng)中，用以改變電壓的主要電氣設(shè)備。正是因?yàn)樽儔浩鞯拇嬖诓拍軌蜃屛覀兊碾妷杭幢阍谔鞖鈵毫拥臅r(shí)候也是非常的穩(wěn)定。變壓器測試原理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="變壓器測試原理,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368770742188/2167683.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。成都全自動(dòng)變壓器綜合測試臺(tái)通過質(zhì)量監(jiān)督標(biāo)準(zhǔn),試驗(yàn)變壓器用于對(duì)各種電氣產(chǎn)品、電器元件、絕緣材料等進(jìn)行規(guī)定電壓下的絕緣強(qiáng)度試驗(yàn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="變壓器測試原理,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368157539063/6860772.png"></div><p> 儀器體積小、重量輕至2.5kg,接線簡單、操作方便、測量準(zhǔn)確、穩(wěn)定性好。變比測試儀能同時(shí)測量單相或三相電力變壓器的交流電壓有效值，電壓平均值、有效值、有功功率、功率因素和頻率等電量參數(shù)，測量精度為0.1級(jí)，智能化、專業(yè)化設(shè)計(jì)、適用于電力變壓器空載、負(fù)載、感應(yīng)等試驗(yàn)的測試。高壓變壓器容量測試儀容量測量范圍：20k VA~100000k VA，內(nèi)部自備電源，自動(dòng)產(chǎn)生三相高功率試驗(yàn)電源。 </p> <p> 在使用過程中應(yīng)當(dāng)注意： </p> <p> 1.非工程技術(shù)人員不可私自變更測試檔案。 </p> <p> 2非測試人員不得使用測試儀器。 </p> <p> 3測試時(shí)人體不可直接接觸被測產(chǎn)品。 </p> <p> 4測試時(shí)產(chǎn)品與程序、治具、腳位須相對(duì)應(yīng)。 </p> <p> 5治具更換、程序更換后須重新校機(jī)。 </p> <p> <br /> </p><p style="text-indent:25px">變壓器在安裝的時(shí)候需要注意以下事項(xiàng)： 1.應(yīng)當(dāng)安裝在供電范圍的負(fù)荷中心，一般都是比較靠近大的負(fù)荷。 2.安裝位置必須安全可靠，運(yùn)輸方便，便于吊裝檢修，符合城鎮(zhèn)規(guī)劃。這點(diǎn)是相對(duì)比較重要的。 3.對(duì)于安在變壓器桿上的，應(yīng)保證足夠堅(jiān)固，臺(tái)面距地應(yīng)有3米高，應(yīng)有警示標(biāo)志，接地線應(yīng)有護(hù)套，不得裝于大的轉(zhuǎn)角桿、分支桿；不易巡視吊裝的電桿；架空線、接戶線過多的電桿。一定要保證用電的安全以及人員安全，避免造成不必要的事故。 4.按說3米還是滿足安全距離的。應(yīng)該讓開窗戶，以不影響采光、通風(fēng)、觀景，以人為本嘛，環(huán)境的舒適敞亮。變壓器檢測儀一般有很多種用來檢測變壓器的不同指標(biāo)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="變壓器測試原理,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368711884766/5770221.png"></div><p style="text-indent:25px">對(duì)于三角形聯(lián)結(jié)的繞組進(jìn)行三相試驗(yàn)時(shí)，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(duì)于三角形聯(lián)結(jié)的繞組進(jìn)行單相試驗(yàn)時(shí)，單相電壓應(yīng)施加在三角形的兩個(gè)角上，試驗(yàn)時(shí)的電壓應(yīng)與三相試驗(yàn)時(shí)的相間電壓相同；對(duì)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(shí)，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，也可以采用預(yù)先送電、選相短路的方法。對(duì)于單同心式繞組的變壓器采用預(yù)先短路時(shí)，為了避免zui初幾個(gè)周波中由于鐵心飽和產(chǎn)生的勵(lì)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(gè)繞組。對(duì)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(shí)，制造單位需與用戶協(xié)商。變壓器在使用期間一定要聯(lián)系專業(yè)的檢測人員進(jìn)行檢測。上海變壓器測試平臺(tái)</p><p style="text-indent:25px">變壓器耐壓試驗(yàn)設(shè)備組成部件：由變頻電源、勵(lì)磁變壓器、高壓電抗器和電容分壓器組成。變壓器測試原理</p><p style="text-indent:25px">對(duì)于Ⅰ類和Ⅱ類的單相變壓器，試驗(yàn)次數(shù)為三次；如無另行規(guī)定，帶有分接的變壓器的試驗(yàn)應(yīng)分別在zui大、額定和zui小分接位置上各進(jìn)行一次；三相變壓器試驗(yàn)次數(shù)為九次，在不同分接位置上進(jìn)行，即在旁柱的zui大分接、中柱的額定分接和另一旁柱的zui小分接位置上分別進(jìn)行三次。對(duì)于Ⅲ類變壓器，其試驗(yàn)程序和分接位置通常由制造單位和用戶協(xié)商確定，一般與Ⅰ類和Ⅱ類變壓器相同。每次試驗(yàn)除用示波器記錄電流波形外，還應(yīng)派專人監(jiān)視試品；每次試驗(yàn)過后，應(yīng)對(duì)電流波形、氣體繼電器進(jìn)行觀察，并測量該分接的電抗值。短路試驗(yàn)后應(yīng)重復(fù)全部例行試驗(yàn)，包括在100.0%規(guī)定試驗(yàn)電壓下的絕緣試驗(yàn)；如果規(guī)定了雷電沖擊試驗(yàn)，也應(yīng)在此階段中進(jìn)行；低對(duì)于Ⅰ類變壓器，除絕緣試驗(yàn)外的其他試驗(yàn)項(xiàng)目，可以不做。變壓器測試原理</p><p style="text-indent:25px">深圳市展榮新精密電子有限公司主要經(jīng)營范圍是儀器儀表，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場口碑。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下變壓器電感平衡測試儀，變壓器綜合測試儀，高壓測試儀19053，展榮新（臺(tái)儀達(dá)）系列產(chǎn)品深受客戶的喜愛。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造儀器儀表良好品牌。展榮新精密電子立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1687785.html</p></div></div></div></div></div><div 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