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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qzmeb3c" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>北京機(jī)電電氣更換多少錢,電氣更換</p><p><span>***更新：</span>2021-01-23 03:09:20</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="xbdaxzb" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海玉冰電氣設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>吳經(jīng)理</p><p><span>郵箱: </span>1109020744@qq.com</p><p><span>電話: </span>13917970979</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.shyubing.cn</p><p><span>手機(jī): </span>021-517619</p><p><span>地址: </span>九亭鎮(zhèn)九新公路399號(hào)1幢14樓</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="z32erew" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="xbd2zr2" class="box"><p><p style="text-indent:25px">掌握電氣故障排除的方法： (一)調(diào)整參數(shù)法有些情況，出現(xiàn)故障時(shí)，線路中元器件不一定壞，線路接觸也良好，只是由于某些物理量調(diào)整得不合適或運(yùn)行時(shí)間長(zhǎng)了，有可能因外界因素致使系統(tǒng)參數(shù)發(fā)生改變或不能自動(dòng)修正系統(tǒng)值，從而造成系統(tǒng)不能正常工作，這時(shí)應(yīng)根據(jù)設(shè)備的具體情況進(jìn)行調(diào)整。 (二)原理分析法根據(jù)控制系統(tǒng)的組成原理圖，通過(guò)追蹤與故障相關(guān)聯(lián)的信號(hào)，進(jìn)行分析判斷，找出故障點(diǎn)，并查出故障原因。使用本方法要求維修人員對(duì)整個(gè)系統(tǒng)和單元電路的工作原理有清楚的理解。 (三)比較、分析，北京機(jī)電電氣更換多少錢，北京機(jī)電電氣更換多少錢、判斷法它是根據(jù)系統(tǒng)的工作原理，控制環(huán)節(jié)的動(dòng)作程序以及它們之間的邏輯關(guān)系，結(jié)合故障現(xiàn)象，進(jìn)行比較、分析和判斷，北京機(jī)電電氣更換多少錢，減少測(cè)量與檢查環(huán)節(jié)，并迅速判斷故障范圍。配電箱、開(kāi)關(guān)箱中導(dǎo)線的進(jìn)線口和出線口應(yīng)設(shè)在箱體下底面，嚴(yán)禁設(shè)在箱體的上頂面、側(cè)面、后面或箱門處。北京機(jī)電電氣更換多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京機(jī)電電氣更換多少錢,電氣更換" src="https://tyunfile.71360.com/UploadFile/Shanghaiyubing/637417439161139832/5153691.png"></div><p style="text-indent:25px">電氣維修常識(shí)： 1．先動(dòng)口再動(dòng)手對(duì)于有故障的電氣設(shè)備，不應(yīng)急于動(dòng)手，應(yīng)先詢問(wèn)產(chǎn)生故障的前后經(jīng)過(guò)及故障現(xiàn)象。對(duì)于生疏的設(shè)備，還應(yīng)先熟悉電路原理和結(jié)構(gòu)特點(diǎn)，遵守相應(yīng)規(guī)則。拆卸前要充分熟悉每個(gè)電氣部件的功能、位置、連接方式以及與四周其他器件的關(guān)系，在沒(méi)有組裝圖的情況下，應(yīng)一邊拆卸，一邊畫草圖，并記上標(biāo)記。 2．先外部后內(nèi)部應(yīng)先檢查設(shè)備有無(wú)明顯裂痕、缺損，了解其維修史、使用年限等，然后再對(duì)機(jī)內(nèi)進(jìn)行檢查。拆前應(yīng)排隊(duì)周邊的故障因素，確定為機(jī)內(nèi)故障后才能拆卸，否則，盲目拆卸，可能將設(shè)備越修越壞。 3．先機(jī)械后電氣只有在確定機(jī)械零件無(wú)故障后，再進(jìn)行電氣方面的檢查。檢查電路故障時(shí)，應(yīng)利用檢測(cè)儀器尋找故障部位，確認(rèn)無(wú)接觸不良故障后，再有針對(duì)性地查看線路與機(jī)械的運(yùn)作關(guān)系，以免誤判。四川電氣更換價(jià)格配電箱、開(kāi)關(guān)箱應(yīng)裝設(shè)在干燥、通風(fēng)及常溫場(chǎng)所。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京機(jī)電電氣更換多少錢,電氣更換" src="https://tyunfile.71360.com/UploadFile/Shanghaiyubing/637417437644635933/4584923.png"></div><p style="text-indent:25px">電氣檢查方法逐步開(kāi)路（或接入）法：多支路并聯(lián)且控制較復(fù)雜的電路短路或接地時(shí)，一般有明顯的外部表現(xiàn)，如冒煙、有火花等。電動(dòng)機(jī)內(nèi)部或帶有護(hù)罩的電路短路、接地時(shí)，除熔斷器熔斷外，不易發(fā)現(xiàn)其他外部現(xiàn)象。這種情況可采用逐步開(kāi)路（或接入）法檢查。逐步開(kāi)路法：碰到難以檢查的短路或接地故障，可重新更換熔體，把多支路交聯(lián)電路，一路一路逐步或重點(diǎn)地從電路中斷開(kāi)，然后通電試驗(yàn)，若熔斷器一再熔斷，故障就在剛剛斷開(kāi)的這條電路上。然后再將這條支路分成幾段，逐段地接入電路。當(dāng)接入某段電路時(shí)熔斷器又熔斷，故障就在這段電路及某電器元件上。這種方法簡(jiǎn)單，但輕易把損壞不嚴(yán)重的電器元件徹底燒毀。逐步接入法：電路出現(xiàn)短路或接地故障時(shí)，換上新熔斷器逐步或重點(diǎn)地將各支路一條一條的接入電源，重新試驗(yàn)。當(dāng)接到某段時(shí)熔斷器又熔斷，故障就在剛剛接入的這條電路及其所包含的電器元件上。</p><p style="text-indent:25px">電子設(shè)備維修： 1，直觀檢查，在維修前不要急于通電檢查，首先要向使用人員了解設(shè)備的故障前后的使用情況，故障發(fā)生在開(kāi)機(jī)時(shí)還是發(fā)生在運(yùn)行時(shí)，有沒(méi)有冒煙，味道打火，發(fā)熱現(xiàn)象，故障前后是否動(dòng)過(guò)什么地方，按鈕，按鍵，開(kāi)關(guān)，插頭等，在通電之前，檢查一下各種開(kāi)關(guān)，旋鈕，檔位都是否正確，電纜，電線有沒(méi)有異常。 2、通電檢查，通電時(shí)間先不要太長(zhǎng)，手不要離開(kāi)開(kāi)關(guān)，出現(xiàn)異常好在較快時(shí)間關(guān)機(jī)，如果沒(méi)有什么情況，還是不能工作下一步就是。電阻測(cè)量法，關(guān)掉電源，有大容量電容的設(shè)備要給電容放電，然后用萬(wàn)用表測(cè)量，主電路中的限流電阻，保險(xiǎn)電阻，壓敏電阻，二極管是否開(kāi)路，短路，晶體管，線圈，開(kāi)關(guān)等等，還有各個(gè)原件的對(duì)地絕緣電阻值。 3、電壓測(cè)量，開(kāi)機(jī)測(cè)量較好是單手測(cè)量，負(fù)表筆接地，單手操作，測(cè)量各輸出電壓，工作電壓，如果電壓不正常，可斷開(kāi)負(fù)載，或者接一個(gè)假負(fù)載，再測(cè)量是電源故障，還是負(fù)載故障，進(jìn)行排除。 4、電流測(cè)量法主要是測(cè)量電路中的工作電流，要開(kāi)機(jī)測(cè)量，把萬(wàn)用表串聯(lián)到主回路中先撥到大點(diǎn)的量程，這種測(cè)量前提是在電壓正常的情況下，再進(jìn)行電流的測(cè)量的。否則測(cè)量的無(wú)效。電氣設(shè)備各類用電人員應(yīng)做到：使用設(shè)備前必須按規(guī)定穿戴和配備好相應(yīng)的勞動(dòng)防護(hù)用品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京機(jī)電電氣更換多少錢,電氣更換" src="https://tyunfile.71360.com/UploadFile/Shanghaiyubing/637417437627214031/942304.png"></div><p style="text-indent:25px">電氣設(shè)備架空線路相序的排列： (1)TT系統(tǒng)供電時(shí)，其相序排列：面向負(fù)荷從左向右為L(zhǎng)1、N、L2、L3； (2)TN-S系統(tǒng)或TN-C-S系統(tǒng)供電時(shí)，—和保護(hù)零線在同一橫擔(dān)架設(shè)時(shí)的相序排列：面向負(fù)荷從左至右為L(zhǎng)1、N、L2、L3、PE； (3)TN-S系統(tǒng)或TN-C-S系統(tǒng)供電時(shí)，動(dòng)力線、照明線同桿架設(shè)上、下兩層橫擔(dān)，相序排列方法：上層橫擔(dān)，面向負(fù)荷從左至右為L(zhǎng)1、L2、13；下層橫擔(dān)，面向負(fù)荷從左至右為L(zhǎng)1、(12、L3)、N、PE。，當(dāng)照明線在兩個(gè)橫擔(dān)上架設(shè)時(shí)，較下層橫擔(dān)面向負(fù)荷，較右邊的導(dǎo)線為保護(hù)零線PE。配電箱、開(kāi)關(guān)箱內(nèi)的工作零線應(yīng)通過(guò)接線端子板連接，并應(yīng)與保護(hù)零線接線端子板分設(shè)。北京機(jī)電電氣更換多少錢</p><p style="text-indent:25px">電氣設(shè)備施工現(xiàn)場(chǎng)的配電線路：架空線路所使用的電桿應(yīng)為**混凝土桿或木桿。北京機(jī)電電氣更換多少錢</p><p style="text-indent:25px">電氣設(shè)備維護(hù)保養(yǎng)：一級(jí)保養(yǎng)，主要內(nèi)容是：普遍地進(jìn)行擰緊、清潔、潤(rùn)滑、緊固，還要部分地進(jìn)行調(diào)整。日常保養(yǎng)和一級(jí)保養(yǎng)一般由操作工人承擔(dān)。二級(jí)保養(yǎng)。主要內(nèi)容包括內(nèi)部清潔、潤(rùn)滑、局部解體檢查和調(diào)整。三級(jí)保養(yǎng)。主要是對(duì)電氣設(shè)備主體部分進(jìn)行解體檢查和調(diào)整工作，必要時(shí)對(duì)達(dá)到規(guī)定磨損限度的零件加以更換。此外，還要對(duì)主要零部件的磨損情況進(jìn)行測(cè)量、鑒定和記錄。二級(jí)保養(yǎng)、三級(jí)保養(yǎng)在操作工人參加下，一般由專職保養(yǎng)維修工人承擔(dān)。在各類維護(hù)保養(yǎng)中，日常保養(yǎng)是基礎(chǔ)。保養(yǎng)的類別和內(nèi)容，要針對(duì)不同電氣設(shè)備的特點(diǎn)加以規(guī)定，不僅要考慮到電氣設(shè)備的生產(chǎn)工藝、結(jié)構(gòu)復(fù)雜程度、規(guī)模大小等具體情況和特點(diǎn)，同時(shí)要考慮到不同工業(yè)企業(yè)內(nèi)部長(zhǎng)期形成的維修習(xí)慣。北京機(jī)電電氣更換多少錢</p><p style="text-indent:25px">上海玉冰電氣設(shè)備有限公司致力于電工電氣，是一家服務(wù)型的公司。公司業(yè)務(wù)分為老設(shè)備電氣更換，業(yè)擴(kuò)增容，按裝充電樁，廠房電線電纜改造等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司從事電工電氣多年，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)。玉冰電氣秉承“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/2967721.html</p></div></div></div></div></div><div id="yc7cuwn" class="page-right twoColRt"><div id="smolyq2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="utvsk2b" 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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