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href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/first-_swfw/">商務(wù)服務(wù)</a>?<a href="http://m.cdcfah.com/cp/second-swfw_wxjazfw/">維修及安裝服務(wù)</a>?<a href="http://m.cdcfah.com/cp/third-wxjazfw_jsbwxaz/">機(jī)械設(shè)備維修安裝</a>?福建Lenze倫茨變頻器維修服務(wù) 歡迎來(lái)電廈門友億佳供應(yīng)</p><div id="yh2zwac" class="leftbox clearfix"><h1>福建Lenze倫茨變頻器維修服務(wù) 歡迎來(lái)電廈門友億佳供應(yīng)</h1><div id="l7pzbse" class="proBig"><div id="c987bie" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/youyijia/637236007606259766/8921526.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="my89fmj" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/youyijia/637236007606259766/8921526.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="pbnpwdu" 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>福建省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>福建Lenze倫茨變頻器維修服務(wù)</p><p><span>***更新：</span>2020-05-24 02:47:45</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="lacjqco" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">廈門友億佳自動(dòng)化設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>李先生</p><p><span>郵箱: </span>leeshuisheng@126.com</p><p><span>電話: </span>18950195764</p><p><span>傳真: </span>0592_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0592-5520656</p><p><span>地址: </span>杏前路22-1號(hào)藍(lán)灣半島酒店14層</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="shtahtf" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3qk238h" class="box"><p><p> 開(kāi)關(guān)電源損壞是眾多變頻器比較常見(jiàn)的故障，通常是由于開(kāi)關(guān)電源的負(fù)載發(fā)生短路造成的，在眾多變頻器的開(kāi)關(guān)電源線路設(shè)計(jì)上，福建Lenze倫茨變頻器維修服務(wù)，安川變頻器因該說(shuō)是比較成功的。616G3采用了兩級(jí)的開(kāi)關(guān)電源，有點(diǎn)類似于富士G5,先由***級(jí)開(kāi)關(guān)電源將直流母線側(cè)500多伏的直流電壓轉(zhuǎn)變成300多伏的直流電壓。然后再通過(guò)高頻脈沖變壓器的次級(jí)線圈輸出5V、12V、24V等較低電壓供變頻器的控制板，福建Lenze倫茨變頻器維修服務(wù)，驅(qū)動(dòng)電路，檢測(cè)電路等做電源使用。在第二級(jí)開(kāi)關(guān)電源的設(shè)計(jì)上安川變頻器使用了一個(gè)叫做TL431的可控穩(wěn)壓器件來(lái)調(diào)整開(kāi)關(guān)管的占空比，從而達(dá)到穩(wěn)定輸出電壓的目的。前幾期我們談到的LG變頻器也使用了類似的控制方式，福建Lenze倫茨變頻器維修服務(wù)。用作開(kāi)關(guān)管的QM5HL-24以及TL431都是較容易損壞的器件。此外當(dāng)我們?cè)谑褂弥腥缛袈?tīng)到刺耳的尖叫聲，這是由脈沖變壓器發(fā)出的，很有可能開(kāi)關(guān)電源輸出側(cè)有短路現(xiàn)象。我們可以從輸出側(cè)查找故障。另外當(dāng)發(fā)生無(wú)顯示，控制端子無(wú)電壓，DC12V，24V風(fēng)扇不運(yùn)轉(zhuǎn)等現(xiàn)象時(shí)我們首先應(yīng)該考慮是否開(kāi)關(guān)電源損壞了。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建Lenze倫茨變頻器維修服務(wù)" src="https://tyunfile.71360.com/UploadFile/youyijia/637236007606259766/8921526.jpg"></div><p style="text-indent:25px">工作環(huán)境的影響在變頻器實(shí)際應(yīng)用中，由于國(guó)內(nèi)客戶除少數(shù)有**機(jī)房外，大多為了降低成本，將變頻器直接安裝于工業(yè)現(xiàn)場(chǎng)。工作現(xiàn)場(chǎng)通常有灰塵大、溫度高、濕度大的問(wèn)題，還有如鋁行業(yè)中有金屬粉塵、腐蝕性氣體等等。所以須按照現(xiàn)場(chǎng)情況做出相應(yīng)的對(duì)策，變頻器應(yīng)該安裝在控制柜內(nèi)部。2、變頻器比較好安裝在控制柜內(nèi)的中部；變頻器要垂直安裝，正上方和正下方要避免安裝可能阻擋排風(fēng)、進(jìn)風(fēng)的大元件。3)變頻器上、下部邊緣距離控制柜頂部、底部、或者隔板、或者須安裝的大元件等的比較小間距，應(yīng)該大于300 mm。4、如果特殊用戶在使用中需要取掉鍵盤，則變頻器面板的鍵盤孔，一定要用膠帶嚴(yán)格密封或者采用假面板替換，避免粉塵大量進(jìn)入變頻器內(nèi)部。5)在多粉塵場(chǎng)所，特別是多金屬粉塵、絮狀物的場(chǎng)所使用變頻器時(shí)，總體要求控制柜整體密封，專門設(shè)計(jì)進(jìn)風(fēng)口、出風(fēng)口進(jìn)行通風(fēng)；控制柜頂部應(yīng)該有防護(hù)網(wǎng)和防護(hù)頂蓋出風(fēng)口；控制柜底部應(yīng)該有底板和進(jìn)風(fēng)口、進(jìn)線孔，并且安裝防塵網(wǎng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建Lenze倫茨變頻器維修服務(wù)" src="https://tyunfile.71360.com/UploadFile/youyijia/637236007629833985/5934141.jpg"></div><p> 變頻器輸出端未接電動(dòng)機(jī)之前，應(yīng)調(diào)試哪些內(nèi)容？ (1) 首先要熟悉變頻器的各種操作。檢驗(yàn)的方法之一，可任意設(shè)定一個(gè)加速時(shí)間和減速時(shí)間，然后令變頻器進(jìn)入運(yùn)行狀態(tài)并按起動(dòng)鍵或停止鍵，觀察變頻器是否按所設(shè)定的時(shí)間"加速"或"減速"。 (2) 如有外接設(shè)定和外接儀表，則在通電后進(jìn)行校準(zhǔn)。 75、電動(dòng)機(jī)輸出軸未接負(fù)載前調(diào)試些什么？ (1) 觀察基本操作的實(shí)施情況，如起動(dòng)、停止、反轉(zhuǎn)及點(diǎn)動(dòng)等，并注意"正轉(zhuǎn)"方向是否正確。 (2) 如果是多擋轉(zhuǎn)速的程序控制系統(tǒng)的話，則應(yīng)在空車狀態(tài)下讓程序控制運(yùn)行一遍，觀察各程序段的工作是否準(zhǔn)確。 76、電動(dòng)機(jī)帶負(fù)載運(yùn)行時(shí)，應(yīng)注意觀察和調(diào)整哪些項(xiàng)目？ (1) 將加、減速時(shí)間調(diào)整到比較佳位置。原則是：在不過(guò)流或不過(guò)壓的前提下，盡量縮短加、減速時(shí)間。 (2) 調(diào)整U/f比：在比較低頻時(shí)帶負(fù)載能力滿足要求前提下，盡量減小U/f比。 (3) 觀察當(dāng)負(fù)載比較大的電動(dòng)機(jī)電流及其持續(xù)時(shí)間，是否在變頻器正常工作的允許范圍內(nèi)。 </p> <p> <br /> </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="福建Lenze倫茨變頻器維修服務(wù)" src="https://tyunfile.71360.com/UploadFile/youyijia/637236007615058594/1329354.jpg"></div></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/21319.html</p></div></div></div></div></div><div id="nr747uz" class="page-right twoColRt"><div id="apbizqh" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qebkkm3" class="recomPic likePro"><a href="http://m.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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="zipr3lx" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個(gè)科目真誠(chéng)推薦寧波助學(xué)商務(wù)信息咨詢供應(yīng)" class="vcenter" 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