淄博MTAC800晶閘管智能模塊批發(fā) 淄博正高電氣供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 以具有自關(guān)斷能力，使用方便，是理想的高壓、大電流開關(guān)器件。GTO的容量及使用壽命均超過巨型晶體管（GTR），只是工作頻紡比GTR低。目前，GTO已達到3000A、4500V的容量。大功率可關(guān)斷"><meta name="keywords" content="淄博MTAC800晶閘管智能模塊批發(fā),晶閘管智能模塊"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_dzyqj/">電子元器件</a>?<a href="http://www.cdcfah.com/cp/third-dzyqj_kkg(jzg)/">可控硅(晶閘管)</a>?淄博MTAC800晶閘管智能模塊批發(fā) 淄博正高電氣供應(yīng)</p><div id="8us4elm" class="leftbox clearfix"><h1>淄博MTAC800晶閘管智能模塊批發(fā) 淄博正高電氣供應(yīng)</h1><div id="3gx979w" class="proBig"><div id="zco4ufb" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051441289407_baomeng7_7393123.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="oipdevr" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051441289407_baomeng7_7393123.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="enuneam" 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>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MTAC800晶閘管智能模塊批發(fā),晶閘管智能模塊</p><p><span>***更新：</span>2021-01-28 10:03:27</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="e2898d9" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">淄博正高電氣有限公司</a></p><p><span>聯(lián)系人：</span>竇新勇</p><p><span>郵箱: </span>zhenggao168@163.com</p><p><span>電話: </span>15550320286</p><p><span>傳真: </span>0533_7369627</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0533-7369626</p><p><span>地址: </span>淄博市臨淄區(qū)桑坡路南首2-20號 </p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="e2hyf7l" class="page-proshow02"><p class="title">詳細說明</p><div id="pi2uvh2" class="box"><p><p> 以具有自關(guān)斷能力，使用方便，是理想的高壓、大電流開關(guān)器件。GTO的容量及使用壽命均超過巨型晶體管（GTR），只是工作頻紡比GTR低。目前，GTO已達到3000A、4500V的容量。大功率可關(guān)斷晶閘管已用于斬波調(diào)速、變頻調(diào)速、逆變電源等領(lǐng)域，顯示出強大的生命力?？申P(guān)斷晶閘管也屬于PNPN四層三端器件，其結(jié)構(gòu)及等效電路和普通晶閘管相同，因此圖1*繪出GTO典型產(chǎn)品的外形及符號，淄博MTAC800晶閘管智能模塊批發(fā)。大功率GTO大都制成模塊形式。盡管GTO與SCR的觸發(fā)導(dǎo)通原理相同，但二者的關(guān)斷原理及關(guān)斷方式截然不同。這是由于普通晶閘管在導(dǎo)通之后即外于深度飽和狀態(tài)，而GTO在導(dǎo)通后只能達到臨界飽和，所以GTO門極上加負向觸發(fā)信號即可關(guān)斷。GTO的一個重要參數(shù)就是關(guān)斷增益，βoff，它等于陽極比較大可關(guān)斷電流IATM與門極比較大負向電流IGM之比，有公式βoff=IATM/IGMβoff一般為幾倍至幾十倍。βoff值愈大，說明門極電流對陽極電流的控制能力愈強，淄博MTAC800晶閘管智能模塊批發(fā)。很顯然，βoff與昌盛的hFE參數(shù)頗有相似之處。下面分別介紹利用萬用表判定GTO電極，淄博MTAC800晶閘管智能模塊批發(fā)、檢查GTO的觸發(fā)能力和關(guān)斷能力、估測關(guān)斷增益βoff的方法。1．判定GTO的電極將萬用表撥至R×1檔，測量任意兩腳間的電阻，*當黑表筆接G極，紅表筆接K極時，電阻呈低阻值。正高電氣愿和各界朋友真誠合作一同開拓。淄博MTAC800晶閘管智能模塊批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博MTAC800晶閘管智能模塊批發(fā),晶閘管智能模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051441289407_baomeng7_7393123.jpg"></div><p> 但是在設(shè)定電流限值時必須要根據(jù)電動機的初始轉(zhuǎn)矩來設(shè)定，否則設(shè)置過小會起動失敗或燒壞電機。此種起動方式起動時間相對較長。圖3限流起動4、突跳起動這種起動方式主要應(yīng)用在負載相對較重的工作環(huán)境下。在轉(zhuǎn)矩控制的基礎(chǔ)下，在起動的瞬間采用一個突跳轉(zhuǎn)矩用來克服負載的靜轉(zhuǎn)矩，然后轉(zhuǎn)矩在逐漸上升，直至電動機到達正常工作狀態(tài)。這種起動方式的優(yōu)點是可以縮短起動時間，起動較重的負載，但在起動的時候會對電網(wǎng)產(chǎn)生一定的沖擊，影響同一電網(wǎng)下其他負荷的工作。圖4突跳起動5、軟停車軟停車的實際上就相當于相反軟起動過程，主要作用是消除了系統(tǒng)的反慣性沖擊，對于泵類負載來講就是克服了“水錘”效應(yīng)。其主要過程是在電動機實行軟停車時軟起動裝置的旁路接觸器斷開，同時晶閘管開始工作，使電機電壓逐漸下降，轉(zhuǎn)速降低，達到軟停車的效果。（如圖5）圖5軟起動和軟停車全過程6、泵控起動及停車由于水泵類負載其相對特殊的機械特性，部分軟起動廠家針對泵類負載的特性曲線專門設(shè)計了泵控型起動和停車方式，該種起動方式可以通過電機平滑的加速和減速，使離心泵在起動和停機期間降低水錘沖擊。主控電路通過采集信號分析電機的各個運行參數(shù)。淄博MTAC800晶閘管智能模塊批發(fā)正高電氣嚴格控制原材料的選取與生產(chǎn)工藝的每個環(huán)節(jié)，保證產(chǎn)品質(zhì)量不出問題。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博MTAC800晶閘管智能模塊批發(fā),晶閘管智能模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051441601467_baomeng7_6610653.jpg"></div><p> 晶閘管軟起動的起動方式1、全壓起動在這種狀態(tài)下（圖1），軟起動裝置相當一個固態(tài)接觸器，電機和直接起動一樣，承受全部的電流沖擊和轉(zhuǎn)矩沖擊，一般情況下晶閘管全開時間控制在：圖1全壓起動2、電壓斜坡起動該模式是比較長用的起動模式。它通過減少起動力矩的沖擊，實現(xiàn)對電機平滑、連續(xù)無級加速的起動，從而使齒輪、連軸結(jié)和皮帶的摩擦減小到比較低。用戶可以調(diào)節(jié)電機的初始轉(zhuǎn)矩，在加速斜坡時間內(nèi)，電機的輸入電壓從設(shè)置的初始轉(zhuǎn)矩對應(yīng)的電壓線性上升，把傳統(tǒng)的降壓起動變有級為無級，從而可以使電機平滑的起動，減少了機械方面的沖擊。圖2電壓斜坡起動3、限流起動限流起動，顧名思義，就是在電動機起動過程中把起動電流限制到某一設(shè)定電流值以下。主要用在相對較輕負載起動，并且對電網(wǎng)沖擊有一定要求的工況下，其輸入電壓從零開始迅速增長，直到其電流達到預(yù)先設(shè)定的電流限值，然后在保證輸出電流不大于電流限值的情況下，改變晶閘管的導(dǎo)通角，逐漸升高電壓，直到額定電壓。與此同時，電動機的轉(zhuǎn)速也在逐漸上升，到達額定轉(zhuǎn)速。這種起動的優(yōu)點是起動電流較小，可以把電動機起動對電網(wǎng)的沖擊降到**小，并可按照需要進行設(shè)定限流值。</p><p> IC1D及其周圍電路構(gòu)成壓控時鐘，其輸出信號的周期隨調(diào)節(jié)器的輸出電壓VK而線性變化。壓控時鐘信號輸入到IC6的11P，作為數(shù)字觸發(fā)的時鐘CL0K0。數(shù)字觸發(fā)的特征是用計數(shù)（時鐘脈沖）的辦法來實現(xiàn)移相，6路整流移相觸發(fā)脈沖均由IC6產(chǎn)生，IC2C、IC2D及其周圍電路組成定輸出脈寬電路。6路整流移相觸發(fā)脈沖經(jīng)IC5晶體管陳列放大后，驅(qū)動整流脈沖變壓器輸出，這里脈沖變壓器采用的是反激工作方式。共設(shè)有2個調(diào)節(jié)器：中頻電壓/電流調(diào)節(jié)器、逆變角調(diào)節(jié)器。其中電壓/電流調(diào)節(jié)器（IC3C），是常規(guī)的PI調(diào)節(jié)器，在啟動和運行的整個階段，該環(huán)始終參與工作；逆變角調(diào)節(jié)器（IC3B）用于使逆變橋能在某一θ角下穩(wěn)定的工作。調(diào)節(jié)器電路的工作過程可以分為兩種情況：一種是直流電壓沒有達到比較大值的時候，即IC3D沒有限幅，而IC3A工作于限幅狀態(tài)，對應(yīng)的為**小逆變θ角，此時系統(tǒng)完全是一個標準的電壓/電流閉環(huán)系統(tǒng)；另一種情況是直流電壓已經(jīng)達到比較大值，即IC3D開始限幅，整流橋的調(diào)節(jié)不再起作用，而IC3A退出限幅狀態(tài)開始工作，調(diào)節(jié)逆變角調(diào)節(jié)器的θ角給定值，使輸出的中頻電壓增加，達到新的平衡。此時，就有電壓/電流調(diào)節(jié)器與逆變角調(diào)節(jié)器雙環(huán)工作。公司實力雄厚，產(chǎn)品質(zhì)量可靠。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="淄博MTAC800晶閘管智能模塊批發(fā),晶閘管智能模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051474884617_baomeng7_3497229.jpg"></div><p> 晶閘管智能調(diào)壓模塊的使用方法 </p> <p> 1、各功能端相對com端必須為正，若com端為負極，極性相反，則晶閘管智能調(diào)壓模塊主回路輸出端可能失控。 </p> <p> 2、晶閘管智能調(diào)壓模塊各功能端的控制特性均為正極性，即控制電壓越高，模塊強電主回路輸出電壓越高。 </p> <p> 3、晶閘管智能調(diào)壓模塊在某一時刻宜使用一種輸入控制方式，若2種以上方式同時輸入使用，則輸入信號較強的一種起主要作用。 </p> <p> 4、晶閘管智能調(diào)壓模塊電源為上進下出，三相交流電路的進線R、S、T無相序要求，導(dǎo)線粗細按實際使用電流選擇。 </p> <p> 5、晶閘管智能調(diào)壓模塊N線*為模塊內(nèi)部開關(guān)電源用，用1平方細導(dǎo)線即可，N線與各輸入控制端之間為全隔離絕緣設(shè)計。 </p> <p> 6、晶閘管智能調(diào)壓模塊在使用過程中若發(fā)生過流現(xiàn)象，應(yīng)首先檢查負載有無短路等故障?？稍谀K的進線R、S、T端之前安裝快速熔斷器進行過流保護，規(guī)格可按實際負載電流的1.5倍選配。 </p> <p> 7、智能晶閘管智能調(diào)壓模塊應(yīng)與散熱器配合使用，在機柜中與其他器件之間有足夠的散熱空間。必要時可安裝風(fēng)扇強制散熱。正高電氣不斷從事技術(shù)革新，改進生產(chǎn)工藝，提高技術(shù)水平。MTAC20晶閘管智能模塊價格</p><p style="text-indent:25px">正高電氣以快的速度提供好的產(chǎn)品質(zhì)量和好的價格及完善的售后服務(wù)。淄博MTAC800晶閘管智能模塊批發(fā)</p><p> 引理**近有朋友說關(guān)于加熱爐出現(xiàn)燒毀晶閘管的問題，事情起源為公司設(shè)計了一個加熱爐，加熱上限溫度100度，下限溫度-60度。加熱爐的加熱電阻設(shè)計連接方式為星形連接，其中一臺設(shè)備采用了三角形連接方式，結(jié)果晶閘管經(jīng)常被燒毀，問這是什么原因引起的損壞。加熱爐要解釋這個問題，需要從電阻的星接和角接以及由于電阻接法不同引起的加熱功率變化兩個方面進行分析。本文分析采用理論與實際相結(jié)合形式，讀者根據(jù)需求選擇部分章節(jié)進行閱讀。電加熱爐原理介紹電加熱爐溫度控制采用的是晶閘管周期性導(dǎo)通控制電阻絲功率的調(diào)功器。調(diào)功器的控制方式：晶閘管零電壓開關(guān)，在時間周期T內(nèi)，晶閘管全導(dǎo)通周波數(shù)對應(yīng)的時間Tm，晶閘管關(guān)閉時間T-Tm，采用控制方式通常為PID控制，根據(jù)當前溫度與目標控制溫度差值，PID調(diào)節(jié)器輸出值決定導(dǎo)通周波數(shù)時間，在晶閘管導(dǎo)通時，負載電壓等于相電壓，在晶閘管關(guān)段時，負載電壓等于零。晶閘管晶閘管電阻絲串聯(lián)星接每個控制周期T的平均電壓為：每個控制周期T的電阻加熱量為：可見電阻絲加熱熱量與電壓Tm的平方成正比。Tm越大，加熱量越大。而電爐子的傳遞函數(shù)仍然可用《自動控制原理》一文中的公式進行計算。淄博MTAC800晶閘管智能模塊批發(fā)</p><p style="text-indent:25px">淄博正高電氣有限公司是一家有著雄厚實力背景、信譽可靠、勵精圖治、展望未來、有夢想有目標，有組織有體系的公司，堅持于帶領(lǐng)員工在未來的道路上大放光明，攜手共畫藍圖，在山東省淄博市等地區(qū)的電子元器件行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎(chǔ)，也希望未來公司能成為*****，努力為行業(yè)領(lǐng)域的發(fā)展奉獻出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強不息，斗志昂揚的的企業(yè)精神將**正高電氣供應(yīng)和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠實守信的方針，員工精誠努力，協(xié)同奮取，以品質(zhì)、服務(wù)來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3049330.html</p></div></div></div></div></div><div id="3d37se3" class="page-right twoColRt"><div id="us8o3ei" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bqsmxzv" 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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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