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id="pu333bq" 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>肇慶控制變壓器檢測(cè),變壓器</p><p><span>***更新：</span>2020-11-25 08:14:10</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="zdkm7he" 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="rph7wm8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="oc22mod" class="box"><p><p style="text-indent:25px">我們選擇試驗(yàn)變壓器時(shí)，主要考慮以下幾點(diǎn)：（1）電壓。依據(jù)試品的要求，首先選用具有合適電壓的試驗(yàn)變壓器，使試驗(yàn)變壓器的高壓側(cè)額定電壓Un高于被試品的試驗(yàn)電壓Us,即Un>Us。其次應(yīng)檢查試驗(yàn)變壓器所需的低壓側(cè)電壓，是否能和現(xiàn)場(chǎng)電源電壓，調(diào)壓器相匹配。（2）電流。試驗(yàn)變壓器的額定輸出電流In應(yīng)大于被試品所需的電流Is，即In>Is。被試品所需的電流可按其電容估算，Is=Us w Cx，其中Cx包括試品電容和附加電容（F）。（3）容量。根據(jù)試驗(yàn)變壓器輸出的額定電流及額定電壓，便可確定試驗(yàn)變壓器的容量，即P=UnIn。根據(jù)部頒標(biāo)準(zhǔn)規(guī)定，我國(guó)試驗(yàn)變壓器的電壓等級(jí)有：5、10、25、35、50、100、150、300kV等；容量等級(jí)有：3、5、10、25、50、100，肇慶控制變壓器檢測(cè)、150、200kVA等。由計(jì)算結(jié)果，肇慶控制變壓器檢測(cè)，查部頒標(biāo)準(zhǔn)即可選出所需要的試驗(yàn)變壓器。如有特殊要求，一般可向制造廠商訂購(gòu)特殊規(guī)格的試驗(yàn)變壓器，肇慶控制變壓器檢測(cè)。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(lái)做交流耐壓試驗(yàn)的基本試驗(yàn)設(shè)備。肇慶控制變壓器檢測(cè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="肇慶控制變壓器檢測(cè),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368225537109/2074462.png"></div><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(guò)很長(zhǎng)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,由于受到絕緣水平的限制，電壓不能太高,這就要經(jīng)過(guò)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。對(duì)各用戶來(lái)說(shuō),各種電氣設(shè)備所要求的電壓又不太高,也要經(jīng)過(guò)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。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。肇慶控制變壓器檢測(cè)變壓器對(duì)電子元器生產(chǎn)要求還是比較高的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="肇慶控制變壓器檢測(cè),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368711884766/5770221.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(guò)行輸出高壓電路來(lái)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(guò)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(lái)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(guò)行輸出變壓器可以獲得上萬(wàn)伏的顯像管陽(yáng)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(guò)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。</p><p style="text-indent:25px">大部分運(yùn)作中的繁雜變壓器通常超出這一使用壽命。在具體應(yīng)用中，依據(jù)運(yùn)作狀況，按制造行業(yè)要求提早取代。比如，國(guó)家公布文檔，規(guī)定取代1976年上下生產(chǎn)制造的一批鋁電磁線圈薄絕緣層變壓器。交流電流。變壓器關(guān)鍵分成1類。依據(jù)相數(shù)：1）單相電變壓器：用以單相電負(fù)載和三相變壓器組。2）三相變壓器：用以三相系統(tǒng)軟件的工作電壓升降機(jī)。變壓器是啥。2、依據(jù)制冷方法：1）干試變壓器：當(dāng)然制冷或提升離心風(fēng)機(jī)熱對(duì)流制冷，關(guān)鍵用以多層建筑、高速收費(fèi)站、部分照明燈具、電子電路等小容積變壓器。2）油浸式變壓器：以油為制冷物質(zhì)，如油浸過(guò)溫保護(hù)、油變風(fēng)冷式、油浸泡制冷、強(qiáng)制性油循環(huán)系統(tǒng)等。按主要用途：1）電力工程變壓器：用以輸變電系統(tǒng)軟件的工作電壓升降機(jī)。2）電壓互感器：如互感器、電壓互感器、檢測(cè)儀表、繼電保護(hù)裝置設(shè)備等。3）實(shí)驗(yàn)變壓器：能造成高壓，對(duì)電器設(shè)備開(kāi)展高壓實(shí)驗(yàn)。變壓器發(fā)生不同性質(zhì)的故障，聲音會(huì)發(fā)生變化。這時(shí)應(yīng)根據(jù)現(xiàn)場(chǎng)情采取措施，查找故障原因。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="肇慶控制變壓器檢測(cè),變壓器" src="https://tyunfile.71360.com/UploadFile/ZRX888/637284368770742188/2167683.png"></div><p> 綜合測(cè)試的目的是保證產(chǎn)品其本性能的一項(xiàng)測(cè)試試驗(yàn)。耐壓測(cè)試的目的是為了防止產(chǎn)品在正?；虿皇褂脳l件下發(fā)生漏電、電擊、火災(zāi)等事故危及消費(fèi)者的生命財(cái)產(chǎn)安全而采取的一項(xiàng)安全測(cè)試試驗(yàn)。耐壓儀器在使用過(guò)程中必須墊絕緣膠皮，測(cè)試人員測(cè)試時(shí)，所在座位底板必須要墊絕緣膠皮。測(cè)試人員測(cè)試時(shí)，必須戴絕緣手套。測(cè)試時(shí)嚴(yán)禁接觸治具導(dǎo)電體，接觸高壓會(huì)對(duì)人體造成損傷。 </p> <p> 綜合測(cè)試儀日常維護(hù)注意事項(xiàng)： </p> <p> 1.為保證測(cè)試精確測(cè)試,開(kāi)機(jī)預(yù)熱時(shí)間應(yīng)不少于15分鐘。 </p> <p> 2.請(qǐng)勿頻繁開(kāi)關(guān)儀器,以引起內(nèi)部數(shù)據(jù)混亂,造成測(cè)試不準(zhǔn)確。 </p> <p> 3.不可帶電插撥測(cè)試連接線。 </p> <p> 4.遠(yuǎn)離磁場(chǎng)。 </p> <p> 5測(cè)試前清洗測(cè)試治具。 </p> <p> 6.常規(guī)7S檢查。 </p> <p> 7待機(jī)狀態(tài)時(shí)將儀器退出掃描測(cè)試。 </p> <p> <br /> 在變壓器的日常維護(hù)時(shí)需要注意觀察外觀，主要檢查變壓器外部是否存在滲油、是否存在零部件冒煙或放電現(xiàn)象。惠州電子變壓器參數(shù)測(cè)定</p><p style="text-indent:25px">深圳市展榮新精密電子有限公司目前專注于生產(chǎn)制造電子變壓器元器件測(cè)試儀這類設(shè)備。肇慶控制變壓器檢測(cè)</p><p style="text-indent:25px">通過(guò)短路阻抗和負(fù)載損耗的測(cè)量，可以驗(yàn)證這兩項(xiàng)指標(biāo)是否在國(guó)家標(biāo)準(zhǔn)及用戶要求范圍內(nèi)，同時(shí)還可以通過(guò)試驗(yàn)發(fā)現(xiàn)繞組設(shè)計(jì)與制造及載流回路和結(jié)構(gòu)的缺陷。 1、短路阻抗及負(fù)載損耗的測(cè)量，應(yīng)當(dāng)在試品的一個(gè)繞組的線端施加額定頻率，且近似正弦的電流，另一個(gè)繞組短路，各相處于同一個(gè)分接位置。測(cè)量應(yīng)在50%～100.0%額定電流下進(jìn)行；為避免繞組發(fā)熱對(duì)試驗(yàn)結(jié)杲產(chǎn)生明顯誤差，試驗(yàn)測(cè)量應(yīng)迅速進(jìn)行；同時(shí)準(zhǔn)確記錄試驗(yàn)時(shí)繞組溫度。 2、短路阻抗及負(fù)載損耗的測(cè)量與空載試驗(yàn)的測(cè)量線路相同，只是測(cè)量中無(wú)需進(jìn)行電壓波形校正。 3、短路阻抗及負(fù)載損耗的測(cè)量接線；對(duì)于額定電流很小的試品，儀表（電壓表及瓦特表電壓線圈）和電壓互感器的吸收電流在測(cè)量電流中不可忽略時(shí)，應(yīng)將電壓取于電源。 4、短路阻抗是在額定頻率和參考溫度下，一對(duì)繞組中某一繞組端子之間的等效串聯(lián)阻抗；其百分?jǐn)?shù)等于短路電壓與額定電壓之比，測(cè)量時(shí)應(yīng)以三相電流的算術(shù)平均值為準(zhǔn)。肇慶控制變壓器檢測(cè)</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(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，一切以用戶需求為中心，深受廣大客戶的歡迎。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于儀器儀表行業(yè)的發(fā)展。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(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2137752.html</p></div></div></div></div></div><div id="aug28jq" class="page-right twoColRt"><div id="nh7c9vs" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vpwxj3k" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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