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data-type="product" class="active">產(chǎn)品</a><a href="JavaScript:;" data-type="member" class="">公司</a><a href="JavaScript:;" data-type="article" class="">資訊</a><a href="JavaScript:;" data-type="exhibition" class="">展會(huì)</a></div><div id="usxwqe3" class="clearfix searchWrap"><div id="vfuyrha" class="searchInput"><input type="text" name="keywords" placeholder="請(qǐng)輸入搜索關(guān)鍵詞" id="kd"><a href="javascript:void(0)" class="searchBtn" id="search">搜索</a></div></div></div></div></header><nav class="navbox"><div id="hl3uvkf" class="container"><ul><li id = "index_index"><a href="http://www.cdcfah.com/"><span>首頁</span></a></li><li id = "index_company"><a ><span>企業(yè)名錄</span></a></li><li id = "index_product"><a href="http://www.cdcfah.com/cp/"><span>產(chǎn)品供應(yīng)</span></a></li><li id = "index_news"><a href="http://www.cdcfah.com/zx/"><span>新聞資訊</span></a></li><li id = "index_article"><a href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="eooor2v" class="twoCol"><div id="aw8ztbd" class="page-proshow clearfix"><p class="current"> 當(dāng)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>?山東MTAC480晶閘管智能模塊生產(chǎn)廠家淄博正高電氣供應(yīng)</p><div id="7ddcqga" class="leftbox clearfix"><h1>山東MTAC480晶閘管智能模塊生產(chǎn)廠家淄博正高電氣供應(yīng)</h1><div id="3oxwk7h" class="proBig"><div id="kp14bjo" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051440197197_baomeng7_3146023.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="sc7qvle" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051440197197_baomeng7_3146023.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="k7j2shc" 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>山東MTAC480晶閘管智能模塊生產(chǎn)廠家,晶閘管智能模塊</p><p><span>***更新：</span>2021-01-20 03:03:03</p><p><span id="click" >瀏覽次數(shù)：10次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="naz2ilk" 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(jī): </span>0533-7369626</p><p><span>地址: </span>淄博市臨淄區(qū)桑坡路南首2-20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="bnd8a8u" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="aq4h31s" class="box"><p><p> 普通晶閘管普通晶閘管（SCR）是由PNPN四層半導(dǎo)體材料構(gòu)成的三端半導(dǎo)體器件，三個(gè)引出端分另為陽極A、陰極K和門極G、圖8-4是其電路圖形符號(hào)。普通晶閘管的陽極與陰極之間具有單向?qū)щ姷男阅埽鋬?nèi)部可以等效為由一只PNP晶閘管和一只NPN晶閘管組成的組合管，如圖8-5所示。當(dāng)晶閘管反向連接（即A極接電源負(fù)端，K極接電源正端）時(shí)，無論門極G所加電壓是什么極性，晶閘管均處于阻斷狀態(tài)。當(dāng)晶閘管正向連接（即A極接電源正端，K極接電源負(fù)端）時(shí)，若門極G所加觸發(fā)電壓為負(fù)時(shí)，則晶閘管也不導(dǎo)通，只有其門極G加上適當(dāng)?shù)恼蛴|發(fā)電壓時(shí)，晶閘管才能由阻斷狀態(tài)變?yōu)閷?dǎo)通狀態(tài)。此時(shí)，晶閘管陽極A極與陰極K極之間呈低阻導(dǎo)通狀態(tài)，山東MTAC480晶閘管智能模塊生產(chǎn)廠家，A、K極之間壓降約為1V。普通晶閘管受觸發(fā)導(dǎo)通后，其門極G即使失去觸發(fā)電壓，只要陽極A和陰極K之間仍保持正向電壓，晶閘管將維持低阻導(dǎo)通狀態(tài)。只有把陽極A電壓撤除或陽極A、陰極K之間電壓極性發(fā)生改變（如交流過零）時(shí)，山東MTAC480晶閘管智能模塊生產(chǎn)廠家，普通晶閘管才由低阻導(dǎo)通狀態(tài)轉(zhuǎn)換為高阻阻斷狀態(tài)，山東MTAC480晶閘管智能模塊生產(chǎn)廠家。普通晶閘管一旦阻斷，即使其陽極A與陰極K之間又重新加上正向電壓，仍需在門極G和陰極K之間重新加上正向觸發(fā)電壓后方可導(dǎo)通。普通晶閘管的導(dǎo)通與阻斷狀態(tài)相當(dāng)于開關(guān)的閉合和斷開狀態(tài)。正高電氣以發(fā)展求壯大，就一定會(huì)贏得更好的明天。山東MTAC480晶閘管智能模塊生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東MTAC480晶閘管智能模塊生產(chǎn)廠家,晶閘管智能模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051440197197_baomeng7_3146023.jpg"></div><p> IC1D及其周圍電路構(gòu)成壓控時(shí)鐘，其輸出信號(hào)的周期隨調(diào)節(jié)器的輸出電壓VK而線性變化。壓控時(shí)鐘信號(hào)輸入到IC6的11P，作為數(shù)字觸發(fā)的時(shí)鐘CL0K0。數(shù)字觸發(fā)的特征是用計(jì)數(shù)（時(shí)鐘脈沖）的辦法來實(shí)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(dòng)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(gè)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(dòng)和運(yùn)行的整個(gè)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(dá)到比較大值的時(shí)候，即IC3D沒有限幅，而IC3A工作于限幅狀態(tài)，對(duì)應(yīng)的為**小逆變?chǔ)冉?，此時(shí)系統(tǒng)完全是一個(gè)標(biāo)準(zhǔn)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(dá)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(dá)到新的平衡。此時(shí)，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。山東MTAC480晶閘管智能模塊生產(chǎn)廠家正高電氣累積點(diǎn)滴改進(jìn)，邁向優(yōu)良品質(zhì)！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東MTAC480晶閘管智能模塊生產(chǎn)廠家,晶閘管智能模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051462402217_baomeng7_9266919.jpg"></div><p>晶閘管智能控制模塊均采用本公司**開發(fā)的全數(shù)字移相觸發(fā)集成電路,實(shí)現(xiàn)了控制電路與晶閘管主電路集成一體化，使模塊具備了弱電控制強(qiáng)電的電力調(diào)控功能。晶閘管智能模塊采用進(jìn)口方形芯片、高級(jí)芯片支撐板，模塊壓降小、功耗低，效率高,節(jié)電效果好。晶閘管智能模塊采用進(jìn)口貼片元件,保證了觸發(fā)控制電路的可靠性。晶閘管智能模塊采用(DBC)陶瓷覆銅板，經(jīng)獨(dú)特處理方法和特殊焊接工藝，保證焊接層無空洞，導(dǎo)熱性能好。熱循環(huán)負(fù)載次數(shù)高于國家標(biāo)準(zhǔn)近10倍。 5 (5)晶閘管智能模塊采用高級(jí)導(dǎo)熱絕緣封裝材料，絕緣、防潮性能優(yōu)良。晶閘管模塊采用觸發(fā)控制電路、主電路與導(dǎo)熱底板相互隔離，導(dǎo)熱底板不帶電．絕緣強(qiáng)度≥2500V (RMS)，保證人身安全。晶閘管智能調(diào)壓器又稱之為可控硅整流元件，它是由三個(gè)P內(nèi)結(jié)構(gòu)組合而成的一種大功率半導(dǎo)體器件。從性能上來說，晶閘管智能調(diào)壓器具有單向?qū)щ娦院涂煽匦詢煞N優(yōu)勢(shì)，但它只有導(dǎo)通和關(guān)斷兩種狀態(tài)。</p><p> 晶閘管是晶體閘流管的簡(jiǎn)稱，原名可控硅整流器（SCR），簡(jiǎn)稱可控硅，其派生器件有雙向晶閘管和可關(guān)斷晶閘管。晶閘管的出現(xiàn)，使半導(dǎo)體器件從弱電領(lǐng)域進(jìn)入強(qiáng)電領(lǐng)域。主要應(yīng)用于整流、逆變、調(diào)壓、開關(guān)等方面，應(yīng)用**多在晶閘管可控整流。1.單向晶閘管具有3個(gè)PN結(jié)的四層結(jié)構(gòu)的器件，引出的電極分別為陽極A、陰極K和控制極G。右邊為其等效電路。通斷轉(zhuǎn)換條件：主要參數(shù)1）額定正向平均電流。在規(guī)定環(huán)境溫度和散熱條件下，允許通過陽極和陰極之間的電流平均值。2）維持電流。在規(guī)定環(huán)境溫度、控制極斷開的條件下，保持晶閘管處于導(dǎo)通狀態(tài)所需要的**小正向電流。3）門極觸發(fā)電壓。在規(guī)定環(huán)境溫度及一定正向電壓條件下，使晶閘管從阻斷到導(dǎo)通，控制極所需的**小電壓，一般為1~5V。4）門極觸發(fā)電流。在規(guī)定環(huán)境溫度即一定正向電壓條件下，使晶閘管從阻斷到導(dǎo)通，控制極所需的**小電流，一般為幾十到幾百毫安。5）正向重復(fù)峰值電壓。在控制極斷路和晶閘管正向阻斷的條件下，可以重復(fù)加在晶閘管兩端的正向峰值電壓，稱為正向重復(fù)峰值電壓。6）正向重復(fù)峰值電流。在控制極斷路時(shí)，可以重復(fù)加在晶閘管上的反向峰值電壓。正高電氣不懈追求產(chǎn)品質(zhì)量，精益求精不斷升級(jí)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東MTAC480晶閘管智能模塊生產(chǎn)廠家,晶閘管智能模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051441289407_baomeng7_7393123.jpg"></div><p> 2）要準(zhǔn)確測(cè)量GTO的關(guān)斷增益βoff，必須有**測(cè)試設(shè)備。但在業(yè)余條件下可用上述方法進(jìn)行估測(cè)。由于測(cè)試條件不同，測(cè)量結(jié)果*供參考，或作為相對(duì)比較的依據(jù)。逆導(dǎo)晶閘管RCT(Reverse-ConductingThyristir)亦稱反向?qū)ňчl管。其特點(diǎn)是在晶閘管的陽極與陰極之間反向并聯(lián)一只二極管，使陽極與陰極的發(fā)射結(jié)均呈短路狀態(tài)。由于這種特殊電路結(jié)構(gòu)，使之具有耐高壓、耐高溫、關(guān)斷時(shí)間短、通態(tài)電壓低等優(yōu)良性能。例如，逆導(dǎo)晶閘管的關(guān)斷時(shí)間*幾微秒，工作頻率達(dá)幾十千赫，優(yōu)于快速晶閘管（FSCR）。該器件適用于開關(guān)電源、UPS不間斷電源中，一只RCT即可代替晶閘管和續(xù)流二極管各一只，不*使用方便，而且能簡(jiǎn)化電路設(shè)計(jì)。逆導(dǎo)晶閘管的符號(hào)、等效電路如圖1(a)、(b)所示。其伏安特性見圖2。由圖顯見，逆導(dǎo)晶閘管的伏安特性具有不對(duì)稱性，正向特性與普通晶閘管SCR相同，而反向特性與硅整流管的正向特性相同（*坐標(biāo)位置不同）。追問：兄弟圖呢？回答：變頻器的基本工作原理是，首先將三相/單相交流電通過整流，使之變成直流電壓，為了保證直流電壓的穩(wěn)定，在正負(fù)兩端連接電解電容；為了提高輸入測(cè)的功率因數(shù)及減少電容的紋波電流，很多變頻器都配置直流再經(jīng)過逆變模塊的作用。選擇正高電氣，就是選擇質(zhì)量、真誠和未來。山東MTAC480晶閘管智能模塊生產(chǎn)廠家</p><p style="text-indent:25px">我公司生產(chǎn)的產(chǎn)品、設(shè)備用途非常多。山東MTAC480晶閘管智能模塊生產(chǎn)廠家</p><p> 晶閘管模塊常用的保護(hù)措施 </p> <p> ① 過電流保護(hù) </p> <p> 過流保護(hù)一般都推薦外接快速熔斷器的方法，可將快速熔斷器串聯(lián)于模塊的交流輸入端即可，三相模塊三只，單相模塊一只。熔斷器額定電壓要大于電路工作電壓，額定電流一般取負(fù)載電流的百分之七十到八十。但快速熔斷器對(duì)于短路引起的過流保護(hù)效果很好，對(duì)于一般性的過流并不能起到很好的保護(hù)效果，因?yàn)閮杀队诳焖偃蹟嗥黝~定值的電流在幾秒內(nèi)才能熔斷。如果要取得較好的保護(hù)效果，除采用快速熔斷器外可采用帶過流保護(hù)功能的模塊或具有過流保護(hù)功能的控制板。 </p> <p> ②過電壓保護(hù) </p> <p> 模塊的過壓保護(hù)，推薦使用阻容吸收和壓敏電阻兩種方式。 </p> <p> 阻容吸收回路能有效晶閘管由導(dǎo)通到截止時(shí)產(chǎn)生的過電壓，有效避免晶閘管被擊穿。阻容吸收并聯(lián)在模塊每一只晶閘管芯片上即可，反并聯(lián)芯片可共用一組。山東MTAC480晶閘管智能模塊生產(chǎn)廠家</p><p style="text-indent:25px">淄博正高電氣有限公司是一家有著雄厚實(shí)力背景、信譽(yù)可靠、勵(lì)精圖治、展望未來、有夢(mèng)想有目標(biāo)，有組織有體系的公司，堅(jiān)持于帶領(lǐng)員工在未來的道路上大放光明，攜手共畫藍(lán)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(xiàn)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(qiáng)不息，斗志昂揚(yáng)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(jī)，一直以來，公司貫徹執(zhí)行科學(xué)管理、創(chuàng)新發(fā)展、誠實(shí)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(chǎng)，我們一直在路上！</p></p><br /><p>文章來源地址: 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