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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_gkxtjzb/">工控系統(tǒng)及裝備</a>?<a href="http://www.cdcfah.com/cp/third-gkxtjzb_bianpinqi/">變頻器</a>?淄博三墾變頻器廠家報(bào)價(jià) 淄博科恩電氣自動(dòng)化技術(shù)供應(yīng)</p><div id="wprlctv" class="leftbox clearfix"><h1>淄博三墾變頻器廠家報(bào)價(jià) 淄博科恩電氣自動(dòng)化技術(shù)供應(yīng)</h1><div id="g7gx84e" class="proBig"><div id="ixewokw" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keendianqi/637412248028760348/5239874.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="89fl3ef" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/keendianqi/637412248028760348/5239874.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="cqmyklx" 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>山東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>淄博三墾變頻器廠家報(bào)價(jià),三墾變頻器</p><p><span>***更新：</span>2020-12-02 01:01:16</p><p><span id="click" >瀏覽次數(shù)：8次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8xmiz7o" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">淄博科恩電氣自動(dòng)化技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>李寧</p><p><span>郵箱: </span>shandongken198@163.com</p><p><span>電話: </span>13371560696</p><p><span>傳真: </span>0533_2855952</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0533-2855952</p><p><span>地址: </span>昌國西路111號(hào)魯中五金機(jī)電城東區(qū)F-15號(hào)</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="h33p74o" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3oamov2" class="box"><p><p> 對(duì)于大部分的工業(yè)設(shè)備的廠家來說，變頻器**只是一種提供率工作，節(jié)能減排的一種工具而已，從表面上來看，變頻器的功能比較好理解，但以下這些關(guān)于變頻器的問題，你都知道嗎?變頻器題庫一：填空題1，淄博三墾變頻器廠家報(bào)價(jià)、變頻器主要由(整流器)、中間直流環(huán)節(jié)、(逆變器)和(控制回路)組成。2、變頻器的預(yù)置流程必須在(編程方式)下進(jìn)行。3、變頻器輸出側(cè)不允許接(電容器)，淄博三墾變頻器廠家報(bào)價(jià)，也不允許接電容式單相電動(dòng)機(jī)。4、變頻器由(主電路)和控制電路組成。5、通常在電源與變頻器之間要接入(低壓斷路器和接觸器)，以便在發(fā)生故障時(shí)能迅速切斷電源。6、對(duì)變頻器進(jìn)行功能預(yù)置時(shí)必須在(編程模式/PRG方式)下進(jìn)行。7、變頻器和外部信號(hào)的連接需要通過相應(yīng)的(接口)。8、當(dāng)電動(dòng)機(jī)低于額定轉(zhuǎn)速采用(恒轉(zhuǎn)矩)調(diào)速，淄博三墾變頻器廠家報(bào)價(jià)。9、變頻器的運(yùn)行操作鍵“REV”中文意思是(反轉(zhuǎn))，“FWD”中文意思是(正轉(zhuǎn))。10、變頻器的逆變器是利用功率器件，有規(guī)律地控制逆變器中主開關(guān)的通斷，從而得到(任意)頻率的三相交流電輸出。11、變頻器的外部信號(hào)接口包括(多功能輸入和輸出接口)、(多功能模擬輸入和輸出信號(hào)接口)、(數(shù)字輸入和輸出接口)、(通信接口)。12、三相異步電動(dòng)機(jī)變頻調(diào)速的控制方式有(恒磁通)、(恒電流)和(恒功率)三種。科恩電氣熱忱歡迎新老客戶惠顧。淄博三墾變頻器廠家報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博三墾變頻器廠家報(bào)價(jià),三墾變頻器" src="https://tyunfile.71360.com/UploadFile/keendianqi/637412248028760348/5239874.png"></div><p> 至于驅(qū)動(dòng)機(jī)械負(fù)載的電機(jī)的變頻器或伺服驅(qū)動(dòng)器各有千秋。不能簡單地信口開河的說誰好誰壞。因?yàn)樵诶锩娴膶W(xué)問很深?yuàn)W。想玩懂玩精變頻器并非懂得一點(diǎn)皮毛就以為什么都知道了。而且一些簡單控制，根本不需要那么高大上的，為什么不選擇變頻器控制呢?下圖所示為采用變頻器對(duì)于需要線速度及恒張力的印刷機(jī)械的控制框圖。這種印刷機(jī)械設(shè)備從開始放卷，中間印刷至收卷，一套工藝下來，其技術(shù)難度不言而喻。放卷線速度慢，收卷線速度快，中間涉及到恒張力，這些都可以使用變頻器來輸入各種傳感器的信號(hào)，進(jìn)行精確計(jì)算達(dá)到多臺(tái)電動(dòng)機(jī)的同步運(yùn)行。技術(shù)趨勢，從以上企業(yè)的業(yè)務(wù)體系，我們能夠看到都在發(fā)力伺服系統(tǒng)變頻器本身有局限，如果在電機(jī)控制上面，變頻器相當(dāng)于摩托車，伺服系統(tǒng)相當(dāng)于轎車。變頻器的原理，其實(shí)就是電流頻率的切換，實(shí)現(xiàn)電機(jī)的控制。我們生活中，常常聽說的變頻空調(diào)，就是這個(gè)概念。根據(jù)傳感器的反饋，市內(nèi)溫度高，這時(shí)候變頻器控制壓縮機(jī)的轉(zhuǎn)動(dòng)速度快，那么輸出功率就大，制冷效果立竿見影。當(dāng)市內(nèi)溫度到合理范圍內(nèi)后，變頻器控制壓縮機(jī)轉(zhuǎn)速慢一點(diǎn)，輸出功率低。就起到了節(jié)能，同時(shí)維持設(shè)備壽命更長的目的。但是變頻器對(duì)精度的控制極低，所以需要對(duì)精度，速度。淄博三墾變頻器廠家報(bào)價(jià)科恩電氣在客戶和行業(yè)中樹立了良好的企業(yè)形象。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博三墾變頻器廠家報(bào)價(jià),三墾變頻器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/16/11/636910122737106538_keendianqi_5355506.jpg"></div><p style="text-indent:25px">為了能夠延長科恩變頻器的使用壽命，我們在使用一段時(shí)間之后要對(duì)變頻器進(jìn)行定期的維護(hù)與保養(yǎng)。（一）變頻器的維護(hù)內(nèi)容 1.要清掃冷卻系統(tǒng)的積塵臟物 2.要檢查導(dǎo)體、絕緣物是否有破損和腐蝕 3.要定期的檢查并且更換變頻器的元器件 4.檢測絕緣電阻是否在允許的范圍之內(nèi) （二）維護(hù)時(shí)的注意事項(xiàng) 1.首先就是我們在進(jìn)行操作的過程中，要先切斷電源，并且在主電路濾波電容放電完畢，對(duì)于電源指示燈熄滅后在進(jìn)行維護(hù)，一保證操作安全。 2.科恩變頻器在控制電路上采用了很多的CMOS芯片，我們在進(jìn)行維護(hù)的過程中一定要盡量的避免用手來接觸這些芯片，從而防止手所帶的靜電損壞芯片，如果是需要必須進(jìn)行接觸，應(yīng)該先釋放手上的靜電。 3.要禁止帶電改變接線盒拔插連接件。 4.如果科恩變頻器出現(xiàn)故障的時(shí)候，不要輕易的進(jìn)行同點(diǎn)，以免擴(kuò)大故障范圍，在這種情況下可以先斷電在用阻法來對(duì)科恩變頻器電路進(jìn)行檢測。 5.在出廠之前，要對(duì)科恩變頻器來進(jìn)行初始的設(shè)定，一般不要改變這些設(shè)定，如果想要改變這些設(shè)定需要恢復(fù)出廠設(shè)定時(shí)，可以對(duì)改變變頻器來進(jìn)行初始的操作。</p><p> 發(fā)電類過電壓這種情況出現(xiàn)的概率較高，主要是電機(jī)的同步轉(zhuǎn)速比實(shí)際轉(zhuǎn)速還高，使電動(dòng)機(jī)處于發(fā)電狀態(tài)，而變頻器又沒有安裝制動(dòng)單元，有兩起情況可以引起這一故障。當(dāng)變頻器拖動(dòng)大慣性負(fù)載時(shí)，其減速時(shí)間設(shè)的比較小，在減速過程中，變頻器輸出的速度比較快，而負(fù)載靠本身阻力減速比較慢，使負(fù)載拖動(dòng)電動(dòng)機(jī)的轉(zhuǎn)速比變頻器輸出的頻率所對(duì)應(yīng)的轉(zhuǎn)速還要高，電動(dòng)機(jī)處于發(fā)電狀態(tài)，而變頻器沒有能量回饋單元，因而變頻器支流直流回路電壓升高，超出保護(hù)值，出現(xiàn)故障，而紙機(jī)中經(jīng)常發(fā)生在干燥部分，處理這種故障可以增加再生制動(dòng)單元，或者修改變頻器參數(shù)，把變頻器減速時(shí)間設(shè)的長一些。增加再生制動(dòng)單元功能包括能量消耗型，并聯(lián)直流母線吸收型、能量回饋型。能量消耗型在變頻器直流回路中并聯(lián)一個(gè)制動(dòng)電阻，通過檢測直流母線電壓來控制功率管的通斷。并聯(lián)直流母線吸收型使用在多電機(jī)傳動(dòng)系統(tǒng)，這種系統(tǒng)往往有一臺(tái)或幾臺(tái)電機(jī)經(jīng)常工作于發(fā)電狀態(tài)，產(chǎn)生再生能量，這些能量通過并聯(lián)母線被處于電動(dòng)狀態(tài)的電機(jī)吸收。能量回饋型的變頻器網(wǎng)側(cè)變流器是可逆的，當(dāng)有再生能量產(chǎn)生時(shí)可逆變流器就將再生能量回饋給電網(wǎng)。多個(gè)電動(dòng)施動(dòng)同一個(gè)負(fù)載時(shí)，也可能出現(xiàn)這一故障，主要由于沒有負(fù)荷分配引起的。科恩電氣從國內(nèi)外引進(jìn)了一大批先進(jìn)的設(shè)備，實(shí)現(xiàn)了工程設(shè)備的現(xiàn)代化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博三墾變頻器廠家報(bào)價(jià),三墾變頻器" src="http://tyunfile.71360.com/UpLoadFile/2019/4/16/11/636910122737262398_keendianqi_1588630.jpg"></div><p> 我們要確保變頻器的容量匹配。首先根據(jù)負(fù)荷性質(zhì)，正確選用變頻器類型。選擇變頻器時(shí)應(yīng)以實(shí)際電機(jī)電流值作為變頻器選擇的依據(jù)，電機(jī)的額定功率只能作為參考。其次，應(yīng)充分考慮變頻器的輸出含有高次諧波，會(huì)造成電動(dòng)機(jī)的功率因數(shù)和效率都會(huì)變壞。電壓匹配：變頻器額定電壓與電機(jī)額定電壓相符。電流匹配：普通的離心泵，變頻器的額定電流與電機(jī)的額定電流相符。對(duì)于特殊的負(fù)載如深水泵等則需要參考電機(jī)性能參數(shù)，以要求電流確定變頻器電流和過載能力。變頻器電流設(shè)定應(yīng)不低于電機(jī)額定電流的，要求電流一般設(shè)定為電機(jī)額定電流的。變頻器一拖多就是一臺(tái)變頻器帶多臺(tái)電動(dòng)機(jī)。變頻器的容量為多臺(tái)電機(jī)容量的總和（以電流為基準(zhǔn)），盡可能再放大10%~15%。同時(shí)，要保證每臺(tái)電機(jī)帶載合適，有多大勁出多大力，既不空跑，也不過載，各司其職，相互配合，和平共處；但控制不好，有的負(fù)載重，有的負(fù)載輕，有的累死，有的閑死，結(jié)果負(fù)載重過重的電機(jī)發(fā)熱燒了，整個(gè)系統(tǒng)癱瘓，得不償失。因此，一拖多時(shí)，千萬要小心。那么，反過來，多拖一，多臺(tái)變頻器是不能帶一臺(tái)電動(dòng)機(jī)行嗎！關(guān)于電纜變頻器如果要長電纜運(yùn)行時(shí)，此時(shí)要采取措施長電纜對(duì)地耦合電容的影響，避免變頻器出力不足。科恩電氣不斷從事技術(shù)革新，改進(jìn)生產(chǎn)工藝，提高技術(shù)水平。淄博三墾變頻器廠家報(bào)價(jià)</p><p style="text-indent:25px">科恩電氣愿與各界朋友攜手共進(jìn)，共創(chuàng)未來！淄博三墾變頻器廠家報(bào)價(jià)</p><p style="text-indent:25px">變頻器的安裝環(huán)境是非常的重要，安裝環(huán)境決定了變頻器的使用壽命同時(shí)也免去了變頻器的費(fèi)用，接下來科恩電氣就來給大家介紹一下變頻器安裝環(huán)境的注意事項(xiàng)。一、環(huán)境濕度：對(duì)于環(huán)境的濕度，科恩變頻器和其他的設(shè)備一樣對(duì)于溫度也是有一定的要求的，安裝時(shí)周圍空氣的濕度小于百分之95，我們要根據(jù)工作環(huán)境來往變頻柜箱中加放干燥劑和加熱器。二、振動(dòng)和沖擊環(huán)境變頻器在運(yùn)行的過程中，要盡量的避免受到振動(dòng)和沖擊，入科恩變頻器在受到機(jī)械振動(dòng)或者是沖擊時(shí)，會(huì)導(dǎo)致焊點(diǎn)、螺絲等連接器件或連接頭松動(dòng)或脫落，從而會(huì)引起電氣接觸不良甚至造成期間間短路等嚴(yán)重故障。因此我們在安裝時(shí)要盡量的原理振動(dòng)源和沖擊源。三、環(huán)境溫度科恩變頻器與其他的電子設(shè)備一樣，對(duì)于周圍溫度有一定的要求，一般在負(fù)10到40攝氏度，尤其是變頻器內(nèi)部一些大功率的電子器件，非常容易受到工作溫度的影響，但是為了能夠保證科恩變頻器能夠在安全可靠的環(huán)境下進(jìn)行工作，必要時(shí)我們要留有余地，盡量控制在40攝氏度以下。三、腐蝕性氣體變頻器使用的環(huán)境如果在腐蝕性溶度特別大的環(huán)境下，不**會(huì)腐蝕元器件的引線、印刷電路板等一些元器件，同時(shí)還會(huì)加速塑膠器件的老化降低絕緣性能。淄博三墾變頻器廠家報(bào)價(jià)</p><p style="text-indent:25px">淄博科恩電氣自動(dòng)化技術(shù)有限公司是一家機(jī)械產(chǎn)品、電子產(chǎn)品、五金電器、低壓電器、變頻器及配件、儀器儀表、電線電纜、電腦及配件、自動(dòng)化成套系統(tǒng)、化工產(chǎn)品的銷售。(依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動(dòng))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，投身于科恩變頻器，防爆柜，山東變頻器代理，電機(jī)智能軟啟動(dòng)器，是電工電氣的主力軍。科恩供應(yīng)致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來良好體驗(yàn)?？贫鞴?yīng)始終關(guān)注電工電氣行業(yè)。滿足市場需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2224897.html</p></div></div></div></div></div><div id="839r392" class="page-right twoColRt"><div id="jczbd8c" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="sbxj3wi" 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" 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