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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>湖北電子變壓器測試,變壓器</p><p><span>***更新：</span>2021-01-28 11:10:54</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="c2ov3wq" 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="qk9g2ce" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="edxey9t" class="box"><p><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，湖北電子變壓器測試。（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，湖北電子變壓器測試。具有聲響放電報警，湖北電子變壓器測試，放電指示清晰，減少誤操作。湖北電子變壓器測試</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北電子變壓器測試,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368225537109/2074462.png"></div><p style="text-indent:25px">變壓器綜合測試儀因其高可靠、高穩(wěn)定性的緊密優(yōu)點(diǎn)，通常用在壓器生產(chǎn)線或品管做進(jìn)出貨檢驗(yàn)，有時又可以在實(shí)驗(yàn)室用作產(chǎn)品分析研究和測試?，F(xiàn)在大部分的變壓器綜合測試儀普遍采取的是zui新型的嵌入式微處理器，這種前列的變壓器綜合測試儀其集成度搞，數(shù)據(jù)處理能力強(qiáng)，不但在測試結(jié)果方面做得非常準(zhǔn)確，而且在穩(wěn)定性方面有著不可替換的效果。變壓器綜合測試臺由三大部分組成 1、計(jì)算機(jī)及數(shù)據(jù)處理軟件系統(tǒng)； 2、各測試單元數(shù)據(jù)收集系統(tǒng)； 3、強(qiáng)電控制及儀表監(jiān)視綜合系統(tǒng)。云南變壓器綜合試驗(yàn)儀變壓器的基本型式，包括兩組繞有導(dǎo)線之線圈，并且彼此以電感方式稱合一起。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北電子變壓器測試,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368157539063/6860772.png"></div><p> 1、變壓器定義、作用 </p> <p> 變壓器是一種相對靜止的電氣設(shè)備，由繞在同一個鐵心上的兩個或兩個以上的繞組組成的，繞組之間通過交變的磁通的相互聯(lián)系。為了把發(fā)電廠發(fā)出的電能經(jīng)濟(jì)的傳輸、合理的分配以及安全的使用，都要用到電力變壓器。 </p> <p> 2、變壓器工作原理 </p> <p> 簡單說變壓器的工作原理就是“電生磁，磁生電”。變壓器的初級（一次）線圈和次級（二次）線圈共同繞在一個鐵芯上，當(dāng)一次線圈通入電壓U1后，在鐵芯中產(chǎn)生交變磁通，這個磁通穿過一次繞組和二次繞組，根據(jù)電磁感應(yīng)定律，在一次繞組和二次繞組中分別產(chǎn)生感應(yīng)電勢E1和E2。根據(jù)電磁感應(yīng)定律可知，一次側(cè)、二次側(cè)繞組的感應(yīng)電勢分別為：E1/E2=U1/U2=N1/N2=K(k為變比) </p> <p> <br /> </p><p style="text-indent:25px">銅損是指變壓器線圈電阻所引起的損耗.當(dāng)電流通過線圈電阻發(fā)熱時，一部分電能就轉(zhuǎn)變?yōu)闊崮芏鴵p耗。由于線圈一般都由帶絕緣的銅線纏繞而成，因此稱為銅損。變壓器的鐵損包括兩個方面：一是磁滯損耗，當(dāng)交流電流通過變壓器時，通過變壓器硅鋼片的磁力線其方向和大小隨之變化，使得硅鋼片內(nèi)部分子相互摩擦，放出熱能，從而損耗了一部分電能，這便是磁滯損耗。另一是渦流損耗，當(dāng)變壓器工作時，鐵芯中有磁力線穿過，在與磁力線垂直的平面上就會產(chǎn)生感應(yīng)電流，由于此電流自成閉合回路形成環(huán)流，且成旋渦狀，故稱為渦流。渦流的存在使鐵芯發(fā)熱，消耗能量，這種損耗稱為渦流損耗。變壓器的效率與變壓器的功率等級有密切關(guān)系，通常功率越大，損耗與輸出功率就越小，效率也就越高。反之，功率越小，效率也就越低。一般需切換數(shù)次后再測量，以免造成判別錯誤。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北電子變壓器測試,變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368098925781/9464422.png"></div><p> 行輸出變壓器又稱逆程變壓器、回掃變壓器，俗稱行輸出，它是電視機(jī)、顯示器中的一個重要變壓器。1.行輸出變壓器結(jié)構(gòu)行輸出變壓器的全部繞組和高壓整流管均密封在其中，底部引出各個繞組的引腳，高壓輸出采用高壓引線直接送至顯像管的高壓嘴。有的行輸出變壓器上只有一個電壓調(diào)節(jié)旋鈕，那是用來調(diào)節(jié)顯像管聚焦極電壓的。記憶行輸出變壓器兩個旋鈕位置的方法參考如圖3-44所示的兩個電壓調(diào)節(jié)電路。圖3-44兩個電壓調(diào)節(jié)電路重要提示一體化行輸出變壓器體積小，重量輕，省去了硅柱，工作穩(wěn)定性好。內(nèi)部的高壓整流二極管將各級繞組隔離，減小了分布電容，能獲得優(yōu)良的高壓負(fù)載特性。但是，由于行輸出變壓器工作在高壓、高頻狀態(tài)下，故障發(fā)生率相對電視機(jī)中其他元器件而言比較高，而且大多數(shù)情況下是高壓繞組部分損壞。由于一體化行輸出變壓器采用環(huán)氧樹脂等材料封裝，所以更換時得整個行輸出變壓器一起更換，增加了維修成本。2.行輸出變壓器電路符號圖3-45所示是行輸出變壓器電路符號。其中，圖3-45(a)所示為分立式行輸出變壓器的電路符號，圖3-45(b)所示是一體化行輸出變壓器的電路符號。用虛線框表示兩組繞組組合成一體，并在內(nèi)部設(shè)有高壓整流管。當(dāng)兩臺并列運(yùn)行的變壓器二次側(cè)空載電壓相差為額定電壓的1%時。肇慶變壓器綜合試驗(yàn)儀</p><p style="text-indent:25px">做三相變壓器的空載、負(fù)載試驗(yàn)時，儀器能自動判斷接線是否正確。湖北電子變壓器測試</p><p style="text-indent:25px">現(xiàn)場操作要點(diǎn)：(1)應(yīng)保證測量阻抗的接線鉗與套管線夾緊密接觸。如果套管線夾上有導(dǎo)電膏或銹跡，必須使用紗布或干燥的棉布擦拭干凈，各相的搭接位置應(yīng)相同。在測試時，必須具有一套相對固定的測試方法。(2)測試時應(yīng)確認(rèn)周邊無大型用電設(shè)備干擾試驗(yàn)電源，測試地點(diǎn)周邊若有電視、手機(jī)、廣播發(fā)射基站也可能會嚴(yán)重影響測量結(jié)果。(3)變壓器鐵芯必須與外殼可靠接地。測試儀外殼、測量阻抗外殼必須與變壓器外殼可靠接地。(4)測試時要注意信號源位置的影響，U端輸人、N端輸出與N端輸人、U端輸出的曲線是不同的。(5)在測量時，對于有平衡繞組的變壓器應(yīng)將平衡繞組接地斷開。湖北電子變壓器測試</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：變壓器檢測儀表的開發(fā)及生產(chǎn)、變壓器綜合測試儀的開發(fā)及生產(chǎn)、線材測試儀的開發(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)。公司自創(chuàng)立以來，投身于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（臺儀達(dá)）系列產(chǎn)品，是儀器儀表的主力軍。展榮新精密電子始終以本分踏實(shí)的精神和必勝的信念，影響并帶動團(tuán)隊(duì)取得成功。展榮新精密電子始終關(guān)注儀器儀表行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: 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