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clearfix"><div id="g8k8je2" class="twoCol"><div id="fz83i2j" 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>?湖北反并聯(lián)晶閘管模塊淄博正高電氣供應(yīng)</p><div id="3w74c4h" class="leftbox clearfix"><h1>湖北反并聯(lián)晶閘管模塊淄博正高電氣供應(yīng)</h1><div id="ma90vku" class="proBig"><div id="87blskw" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2020/1/6/11/637139082183756871_baomeng7_8766514.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qz44scy" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2020/1/6/11/637139082183756871_baomeng7_8766514.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8kbtam8" 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>湖北反并聯(lián)晶閘管模塊,晶閘管模塊</p><p><span>***更新：</span>2021-01-31 00:15:00</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="i2mewtv" 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 </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="3qnk7bl" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="waurj8y" class="box"><p><p> 產(chǎn)生足夠大的極電極電流Ic2流過PNP管的發(fā)射結(jié)，并提高了PNP管的電流放大系數(shù)a1,產(chǎn)生更大的極電極電流Ic1流經(jīng)NPN管的發(fā)射結(jié)。這樣強(qiáng)烈的正反饋過程迅速進(jìn)行。從圖3，當(dāng)a1和a2隨發(fā)射極電流增加而（a1+a2）≈1時，式（1—1）中的分母1-（a1+a2）≈0,因此提高了晶閘管的陽極電流Ia.這時，流過晶閘管的電流完全由主回路的電壓和回路電阻決定。晶閘管已處于正向?qū)顟B(tài)。式（1—1）中，在晶閘管導(dǎo)通后，1-（a1+a2）≈0,即使此時門極電流Ig=0,晶閘管仍能保持原來的陽極電流Ia而繼續(xù)導(dǎo)通。晶閘管在導(dǎo)通后，門極已失去作用。在晶閘管導(dǎo)通后，如果不斷的減小電源電壓或增大回路電阻，使陽極電流Ia減小到維持電流IH以下時，由于a1和a1迅速下降，當(dāng)1-（a1+a2）≈0時，晶閘管恢復(fù)阻斷狀態(tài)?？申P(guān)斷晶閘管GTO（GateTurn-OffThyristor）亦稱門控晶閘管，湖北反并聯(lián)晶閘管模塊。其主要特點(diǎn)為，當(dāng)門極加負(fù)向觸發(fā)信號時晶閘管能自行關(guān)斷。前已述及，普通晶閘管（SCR）靠門極正信號觸發(fā)之后，撤掉信號亦能維持通態(tài)。欲使之關(guān)斷，必須切斷電源，湖北反并聯(lián)晶閘管模塊，使正向電流低于維持電流IH，或施以反向電壓強(qiáng)近關(guān)斷。這就需要增加換向電路。不僅使設(shè)備的體積重量增大，而且會降低效率，產(chǎn)生波形失真和噪聲?？申P(guān)斷晶閘管克服了上述缺點(diǎn)，湖北反并聯(lián)晶閘管模塊。正高電氣公司可靠的質(zhì)量保證體系和經(jīng)營管理體系，使產(chǎn)品質(zhì)量日趨穩(wěn)定。湖北反并聯(lián)晶閘管模塊</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北反并聯(lián)晶閘管模塊,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2020/1/6/11/637139082183756871_baomeng7_8766514.jpg"></div><p> 電焊機(jī)選型技巧華晶整流器一、概述：電焊機(jī)在進(jìn)行各種金屬焊接時，根據(jù)焊接工藝的不同，對焊接時電弧的電壓和電流有不同的要求，因此需要各種不同特性的交流或直流電源。例如，在點(diǎn)、凸、峰焊、電阻焊時需要調(diào)節(jié)焊接隔離變壓器原邊的電壓大?。ㄏ嗫卣{(diào)壓或改變通過的周波數(shù)量），屬于晶閘管應(yīng)用于交流調(diào)壓；在各種氬弧焊、CO2氣體保護(hù)焊中需要的是直流電源或交直流方波電源。交流應(yīng)用時，反并聯(lián)的晶閘管串接在主回路中，直流調(diào)壓應(yīng)用時，晶閘管可以組成單、三相全控或半控或雙反星型電路。改變晶閘管的導(dǎo)通角或控制晶閘管的開關(guān)時間即可達(dá)到調(diào)節(jié)焊接電壓和電流的目的。尤其是近幾年來，CO2氣體保護(hù)焊機(jī)發(fā)展比較迅速，據(jù)報道，發(fā)達(dá)國家這種焊機(jī)占到百分之六十或七十的比例，我國該焊機(jī)所占比例很低，也就百分之二十左右。目前，國內(nèi)CO2氣體保護(hù)焊機(jī)有可控和不可控兩種，根據(jù)所用器件進(jìn)行區(qū)分。采用整流的即為不可控；采用晶閘管整流的即為可控。全國以成都、廣州及華東地區(qū)發(fā)展比較快。所選用的器件大部分是螺栓式晶閘管或二極管占有的比例也很大，其次是日本產(chǎn)的焊機(jī)**整流模塊。電磁吸盤蓄電池充放電整流模塊哪家好正高電氣以誠信為根本，以質(zhì)量服務(wù)求生存。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北反并聯(lián)晶閘管模塊,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052166443676_baomeng7_1883738.jpg"></div><p> 充電電源，電機(jī)調(diào)速，感應(yīng)加熱及熱處理等各種整流、逆變和變頻領(lǐng)域。我公司所生產(chǎn)的電力電子器件成功的替代了多種進(jìn)口器件，實現(xiàn)了自動軋機(jī)原器件的國產(chǎn)化；6K、6G、8K、8G電力機(jī)車原器件也全部由我公司國產(chǎn)化，使用壽命超過了進(jìn)口元件。在自動控制方面，我公司成功開發(fā)出各種工控板，應(yīng)用在各種不同的場合，真正形成了控制方式靈活，保護(hù)齊全，可靠性高的優(yōu)勢。與模塊結(jié)合開發(fā)了智能模塊。廣泛應(yīng)用于不同行業(yè)各種領(lǐng)。在散熱器方面公司成功開發(fā)了，通過努力已進(jìn)入了國內(nèi)的輸變電行業(yè)、機(jī)車行業(yè)所需的**市場。我公司秉承快速反應(yīng)、持續(xù)改進(jìn)的工作作風(fēng)，融入世界的發(fā)展戰(zhàn)略，致力于提高品牌**度的發(fā)展目標(biāo)，建成國際前列、國內(nèi)**的功率半導(dǎo)體制造基地。公司未來將繼續(xù)在高電壓大電流、系統(tǒng)集成、技術(shù)領(lǐng)域?qū)で蟾笸黄啤?/p><p> 晶閘管的主要電參數(shù)有正向轉(zhuǎn)折電壓VBO、正向平均漏電流IFL、反向漏電流IRL、斷態(tài)重復(fù)峰值電壓VDRM、反向重復(fù)峰值電壓VRRM、正向平均壓降VF、通態(tài)平均電流IT、門極觸發(fā)電壓VG、門極觸發(fā)電流IG、門極反向電壓和維持電流IH等。(一)晶閘管正向轉(zhuǎn)折電壓VBO晶閘管的正向轉(zhuǎn)折電壓VBO是指在額定結(jié)溫為100℃且門極(G)開路的條件下，在其陽極(A)與陰極(K)之間加正弦半波正向電壓、使其由關(guān)斷狀態(tài)轉(zhuǎn)變?yōu)閷?dǎo)通狀態(tài)時所對應(yīng)的峰值電壓。(二)晶閘管斷態(tài)重復(fù)峰值電壓VDRM斷態(tài)重復(fù)峰值電壓VDRM，是指晶閘管在正向阻斷時，允許加在A、K(或T1、T2)極間比較大的峰值電壓。此電壓約為正向轉(zhuǎn)折電壓減去100V后的電壓值。(三)晶閘管通態(tài)平均電流IT通態(tài)平均電流IT，是指在規(guī)定環(huán)境溫度和標(biāo)準(zhǔn)散熱條件下，晶閘管正常工作時A、K(或T1、T2)極間所允許通過電流的平均值。(四)反向擊穿電壓VBR反向擊穿電壓是指在額定結(jié)溫下，晶閘管陽極與陰極之間施加正弦半波反向電壓，當(dāng)其反向漏電電流急劇增加時反對應(yīng)的峰值電壓。(五)晶閘管反向重復(fù)峰值電壓VRRM反向重復(fù)峰值電壓VRRM，是指晶閘管在門極G斷路時，允許加在A、K極間的比較大反向峰值電壓。此電壓約為反向擊穿電壓減去100V后的峰值電壓。。正高電氣以質(zhì)量為生命”保障產(chǎn)品品質(zhì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北反并聯(lián)晶閘管模塊,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052180966053_baomeng7_4009639.jpg"></div><p> 六)晶閘管正向平均電壓降VF正向平均電壓降VF也稱通態(tài)平均電壓或通態(tài)壓降VT，是指在規(guī)定環(huán)境溫度和標(biāo)準(zhǔn)散熱條件下，當(dāng)通過晶閘管的電流為額定電流時，其陽極A與陰極K之間電壓降的平均值，通常為。(七)晶閘管門極觸發(fā)電壓VGT門極觸發(fā)VGT，是指在規(guī)定的環(huán)境溫度和晶閘管陽極與陰極之間為一定值正向電壓的條件下，使晶閘管從阻斷狀態(tài)轉(zhuǎn)變?yōu)閷?dǎo)通狀態(tài)所需要的**小門極直流電壓，一般為。(八)晶閘管門極觸發(fā)電流IGT門極觸發(fā)電流IGT，是指在規(guī)定環(huán)境溫度和晶閘管陽極與陰極之間為一定值電壓的條件下，使晶閘管從阻斷狀態(tài)轉(zhuǎn)變?yōu)閷?dǎo)通狀態(tài)所需要的**小門極直流電流。(九)晶閘管門極反向電壓門極反向電壓是指晶閘管門極上所加的額定電壓，一般不超過10V。(十)晶閘管維持電流IH維持電流IH是指維持晶閘管導(dǎo)通的**小電流。當(dāng)正向電流小于IH時，導(dǎo)通的晶閘管會自動關(guān)斷。(十一)晶閘管斷態(tài)重復(fù)峰值電流IDR斷態(tài)重復(fù)峰值電流IDR，是指晶閘管在斷態(tài)下的正向比較大平均漏電電流值，一般小于100μA(十二)晶閘管反向重復(fù)峰值電流IRRM反向重復(fù)峰值電流IRRM，是指晶閘管在關(guān)斷狀態(tài)下的反向比較大漏電電流值，一般小于100μA。正高電氣設(shè)備的引進(jìn)更加豐富了公司的設(shè)備品種，為用戶提供了更多的選擇空間。電磁吸盤蓄電池充放電整流模塊哪家好</p><p style="text-indent:25px">正高電氣以更積極的態(tài)度，更新、更好的產(chǎn)品，更質(zhì)量的服務(wù)，迎接挑戰(zhàn)。湖北反并聯(lián)晶閘管模塊</p><p> 當(dāng)正向電壓超過其斷態(tài)重復(fù)峰值電壓UDRM一定值時晶閘管就會誤導(dǎo)通，引發(fā)電路故障；當(dāng)外加反向電壓超過其反向重復(fù)峰值電壓URRM一定值時，晶閘管就會立即損壞。因此，必須研究過電壓的產(chǎn)生原因及過電壓的方法。過電壓產(chǎn)生的原因主要是供給的電功率或系統(tǒng)的儲能發(fā)生了激烈的變化，使得系統(tǒng)來不及轉(zhuǎn)換，或者系統(tǒng)中原來積聚的電磁能量來不及消散而造成的。主要發(fā)現(xiàn)為雷擊等外來沖擊引起的過電壓和開關(guān)的開閉引起的沖擊電壓兩種類型。由雷擊或高壓斷路器動作等產(chǎn)生的過電壓是幾微秒至幾毫秒的電壓尖峰，對晶閘管是很危險的。由開關(guān)的開閉引起的沖擊電壓又分為如下幾類：（1）交流電源接通、斷開產(chǎn)生的過電壓例如，交流開關(guān)的開閉、交流側(cè)熔斷器的熔斷等引起的過電壓，這些過電壓由于變壓器繞組的分布電容、漏抗造成的諧振回路、電容分壓等使過電壓數(shù)值為正常值的2至10多倍。一般地，開閉速度越快過電壓越高，在空載情況下斷開回路將會有更高的過電壓。。2）直流側(cè)產(chǎn)生的過電壓如切斷回路的電感較大或者切斷時的電流值較大，都會產(chǎn)生比較大的過電壓。這種情況常出現(xiàn)于切除負(fù)載、正在導(dǎo)通的晶閘管開路或是快速熔斷器熔體燒斷等原因引起電流突變等場合。。湖北反并聯(lián)晶閘管模塊</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(yù)可靠、勵精圖治、展望未來、有夢想有目標(biāo)，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(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，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/3082800.html</p></div></div></div></div></div><div id="odnh2dv" class="page-right twoColRt"><div id="bgq388f" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ispe3fc" 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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