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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>安微升壓試驗(yàn)變壓器,變壓器</p><p><span>***更新：</span>2020-12-07 08:13:12</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="7rta2ku" 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="p2bnfme" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qkm3ubn" class="box"><p><p style="text-indent:25px">配電變壓器的防雷保護(hù)接線具體要求如下： (1)一般要求避雷器安裝在跌開式熔斷器和變壓器之間，安微升壓試驗(yàn)變壓器，避雷器要求盡量靠近變壓器安裝，距離越近越好。 (2)避雷器的接地線應(yīng)與變壓器低壓繞組中性點(diǎn)及變壓器金屬外殼連接在一起共同接地，亦稱作“三位一體”的接地方式。這種接法的目的是保證當(dāng)變壓器高壓側(cè)受雷擊引起避雷器放電時(shí)，變壓器主絕緣所承受的電壓*是避雷器的殘壓，而接地裝置上的電壓并不作用在變壓器主絕緣上，使避雷器與變壓器得到較好的絕緣配合，能減少高、低壓繞組間和高壓繞組對變壓器外殼之間發(fā)生絕緣擊穿的危險(xiǎn)。 (3)對于低壓，架空線路引出3~10kV，Y，yn0配電變壓器，為防止低壓側(cè)落雷造成絕緣擊穿事故，要求在配電變壓器低壓出線上安裝一組低壓避雷器，這樣不*可保護(hù)變壓器的低壓繞組，安微升壓試驗(yàn)變壓器，同時(shí)還能保護(hù)當(dāng)雷電波從低壓繞組折換到高壓繞組時(shí)，不致使高壓繞組絕緣損壞。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，安微升壓試驗(yàn)變壓器，油浸式，干式等試驗(yàn)變壓器。安微升壓試驗(yàn)變壓器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安微升壓試驗(yàn)變壓器,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368292333984/8679976.png"></div><p> 在鐵芯中產(chǎn)生的交變磁通不*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。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。貴州變壓器組別測試在檢測變壓器的時(shí)候一定要遵守操作規(guī)范進(jìn)行。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安微升壓試驗(yàn)變壓器,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368063710938/7461720.png"></div><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)是相對比較重要的。 3.對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。</p><p> 關(guān)于變壓器容量計(jì)算的一些問題1、變壓器的額定容量，應(yīng)該是變壓器在規(guī)定的使用條件下，能夠保證變壓器正常運(yùn)行的比較大載荷視在功率；2、這個(gè)視在功率就是變壓器的輸出功率，也是變壓器能帶比較大負(fù)載的視在功率；3、變壓器額定運(yùn)行時(shí)，變壓器的輸出視在功率等于額定容量；4、變壓器額定運(yùn)行時(shí)，變壓器的輸入視在功率大于額定容量；5、由于變壓器的效率很高，一般認(rèn)為變壓器額定運(yùn)行時(shí)，變壓器的輸入視在功率等于額定容量，由此進(jìn)行的運(yùn)算及結(jié)果也是基本準(zhǔn)確的；6、所以在使用變壓器時(shí)，你只要觀察變壓器輸出的電流、電壓、功率因數(shù)及其視在功率等于或小于額定容量就是安全的(使用條件滿足時(shí))；7、有人認(rèn)為變壓器有損耗，必須在額定容量90%以下運(yùn)行是錯(cuò)誤的！8、變壓器在設(shè)計(jì)選用容量時(shí)，根據(jù)計(jì)算負(fù)荷要乘以安全系數(shù)是對的?？梢钥吹阶儔浩魅萘坑?jì)算其實(shí)不難。主要是要注意變壓器容量計(jì)算的一些問題。日常生活中變壓器實(shí)時(shí)存在于我們的電力系統(tǒng)中，發(fā)揮著很重要的作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="安微升壓試驗(yàn)變壓器,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368129267578/9378652.png"></div><p> 從行輸出變壓器的電路符號(hào)中可以看出一次和二次以及繞組的結(jié)構(gòu)。圖3-45行輸出變壓器電路符號(hào)行輸出變壓器是組成行輸出高壓電路的重要元器件，電視機(jī)顯像管所需要的高壓、中壓和其他電路需要的低壓要通過行輸出高壓電路來獲得。中、高壓是利用行掃描逆程期間產(chǎn)生的半個(gè)周期諧振電壓，通過行輸出變壓器的升壓經(jīng)整流后獲得的。重要提示利用行逆程回掃期間的能量來獲得中、高電壓具有下列一些好處。(1)有利于節(jié)省能量，降低整機(jī)功耗。行輸出級(jí)消耗的能量約占整機(jī)功耗的60%。(2)由于行頻高達(dá)15625Hz，頻率高，有利于濾波，即用較小的濾波電容可獲得很好的濾波性能。(3)行逆程脈沖電壓較高，較容易獲得中、高壓。(4)具有保護(hù)顯像管的作用。當(dāng)行振蕩電路發(fā)生故障時(shí)，行逆程脈沖消失，可起保護(hù)作用。(5)通過行輸出變壓器可以獲得上萬伏的顯像管陽極高壓，獲得幾百伏的顯像管加速極電壓和聚焦極電壓，以及其他電路的低電壓。3.行輸出變壓器實(shí)用電路圖3-46所示是行輸出變壓器電路。輸入該變壓器的是行逆程脈沖。通過多組二次升壓繞組、整流電路，可得到多種電壓等級(jí)的低、中、高直流電壓。從升壓繞組上得到20～25kV高壓，作為顯像管高壓。從升壓繞組抽頭得到直流電壓。變壓器是電能傳遞或作為信號(hào)傳輸?shù)闹匾Ｖ猩阶儔浩髂蛪簻y試</p><p style="text-indent:25px">試驗(yàn)變壓器是發(fā)電廠、供電局及科研單位等廣大用戶的用來做交流耐壓試驗(yàn)的基本試驗(yàn)設(shè)備。安微升壓試驗(yàn)變壓器</p><p style="text-indent:25px">在進(jìn)行大型變壓器低壓側(cè)直阻測量時(shí),***個(gè)顯示出的數(shù)據(jù)與真實(shí)值差甚遠(yuǎn)，且保持一段時(shí)間的穩(wěn)定,然后逐漸開始變化,變大或變化，變化的速度逐漸加快，然后逐漸變慢zui后達(dá)到幾乎不在變化,得到真實(shí)阻值。這種變化一般是朝一個(gè)方向變化，比如一直變小到真實(shí)值。出現(xiàn)忽大忽小,長時(shí)間飄忽不定,或很長時(shí)間數(shù)據(jù)保持不變或變化甚小且距真實(shí)值相差甚遠(yuǎn)則應(yīng)檢查接線是否有誤。但對于超大型變壓器如370MVA或400MVA變壓器在助磁測量時(shí)有一個(gè)過沖，在變小過程中有一個(gè)低于真實(shí)值區(qū)然后回升到真實(shí)值。安微升壓試驗(yàn)變壓器</p><p style="text-indent:25px">深圳市展榮新精密電子有限公司致力于儀器儀表，是一家生產(chǎn)型的公司。展榮新精密電子致力于為客戶提供良好的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，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。展榮新精密電子秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2303584.html</p></div></div></div></div></div><div id="xq8m8bd" class="page-right twoColRt"><div id="r8dpw2p" class="box01 margin10 clearfix"><h3><a 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