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id="f72tpok" class="twoCol"><div id="i3z3kbx" 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>?武漢行吊穩(wěn)壓模塊淄博正高電氣供應(yīng)</p><div id="ko9yefw" class="leftbox clearfix"><h1>武漢行吊穩(wěn)壓模塊淄博正高電氣供應(yīng)</h1><div id="bu9ulx3" class="proBig"><div id="e82ypl8" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052166599621_baomeng7_8300656.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7zipg7p" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052166599621_baomeng7_8300656.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ynelxyu" 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>武漢行吊穩(wěn)壓模塊,晶閘管模塊</p><p><span>***更新：</span>2021-02-01 04:03:11</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="3yarn8m" 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="8xtfmkz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="c3ijvri" class="box"><p><p> 由于晶閘管在導(dǎo)通期間，載流子充滿元件內(nèi)部，所以元件在關(guān)斷過程中，正向電壓下降到零時(shí)，內(nèi)部仍殘存著載流子。這些積蓄的載流子在反向電壓作用下瞬時(shí)出現(xiàn)較大的反向電流，使積蓄載流子迅速消失，這時(shí)反向電流消失的極快，即di/dt極大。因此即使和元件串連的線路電感L很小，電感產(chǎn)生的感應(yīng)電勢L（di/dt）值仍很大，這個(gè)電勢和電源電壓串聯(lián)，反向加在已恢復(fù)阻斷的元件上，可能導(dǎo)致晶閘管的反向擊穿。這種由于晶閘管關(guān)斷引起的過電壓，稱為關(guān)斷過電壓，武漢行吊穩(wěn)壓模塊，其數(shù)值可達(dá)工作電壓峰值的5～6倍，所以必須采取措施。阻容吸收電路中電容器把過電壓的電磁能量變成靜電能量存貯，電阻防止電容和電感產(chǎn)生諧振、限制晶閘管開通損耗和電流上升率。這種吸收回路能晶閘管由導(dǎo)通到截止時(shí)產(chǎn)生的過電壓，有效避免晶閘管被擊穿。阻容吸收電路安裝位置要盡量靠近模塊主端子，即引線要短。比較好采用無感電阻，以取得較好的保護(hù)效果。各型號模塊對應(yīng)的電阻和電容值根據(jù)表10選取。（2）壓敏電阻吸收過電壓壓敏電阻能夠吸收由于雷擊等原因產(chǎn)生能量較大，武漢行吊穩(wěn)壓模塊、持續(xù)時(shí)間較長的過電壓。壓敏電阻標(biāo)稱電壓（V1mA），是指壓敏電阻流過1mA電流時(shí)它兩端的電壓。壓敏電阻的選擇，主要考慮額定電壓和通流容量。正高電氣尊崇團(tuán)結(jié)，武漢行吊穩(wěn)壓模塊、信譽(yù)、勤奮。武漢行吊穩(wěn)壓模塊</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢行吊穩(wěn)壓模塊,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052166599621_baomeng7_8300656.jpg"></div><p> AA）替代國外模塊型號ZX5WSMNBK雙反星并聯(lián)帶平衡電抗器200AMTG100A/800VMTG（AA）60A/400V三社（SanRex）PWB60A；三菱（MITSUBI）TM60SZ-M；TM60SA-6250A315AMTG150A/800VMTG（AA）80A/400VSanRexPWB90A；MITSUBITM100SZ-MTM90SA-6英達(dá)PFT9003N350A400AMTG200A/800VMTG（AA）130A/400VSanRexPWB130A；MITSUBITM130SZ-M；英達(dá)PFT1303N500A630AMTG250A/800VMTG（AA）160A/400VMITSUBITM150SZ-M；英達(dá)PFT1503NMTG300A/800VMTG（AA）200A/400VSanRexPWB200AA；MITSUBITM200SZ-M英達(dá)PFT2003N；注：上表中MTG型為普通壓降模塊；MTG（AA）為低電壓低導(dǎo)通壓降型模塊。l焊機(jī)用模塊電流和電壓計(jì)算：我公司MTG、MTG（AA）焊機(jī)**模塊可以使用在很多不同型號規(guī)格的焊機(jī)中，如ZX5普通焊機(jī)；WSM直流氬弧焊機(jī)；NBKCO2氣體保護(hù)焊機(jī)。這些焊機(jī)目前都采用流行的雙反星并聯(lián)帶平衡電抗器主回路形式，如下圖：（雙反星并聯(lián)帶平衡電抗器主回路）2該線路相當(dāng)于正極性和反極性兩組三相半波整流電路并聯(lián)。每只晶閘管的比較大導(dǎo)通角為120o，負(fù)載電流Id同時(shí)由兩個(gè)晶閘管和兩個(gè)變壓器繞組供給，每只管子承擔(dān)1/6的Id，任何瞬時(shí)，正，負(fù)極性組均有一支電路導(dǎo)通工作。2該線路提高了變壓器利用率。武漢行吊穩(wěn)壓模塊正高電氣全力打造良好的企業(yè)形象。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢行吊穩(wěn)壓模塊,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052166443676_baomeng7_1883738.jpg"></div><p> 變壓器磁路平衡，不存在磁化的問題。要求主變壓器和平衡電抗器對稱性好。2整流輸出電壓：Ud=。當(dāng)負(fù)載電流小于額定值（Id）2~5%時(shí)，流過平衡電抗器的電流太小，達(dá)不到激磁所需的臨界電流，平衡電抗器失去作用，其上的三角波形電壓也就沒有了，此時(shí)該線路輸出電壓與三相半波電路一樣，該電壓即為電焊機(jī)空載電壓。輸出電壓：Ud=。2電阻R的作用是為電焊機(jī)在空載電壓輸出時(shí)，提供可控硅導(dǎo)通的擎制電流。因此擎制電流參數(shù)的大小或離散性對R的阻值有相當(dāng)重要性。實(shí)例：1.晶閘管耐壓的選擇（VRRM；VDRM）：已知條件：空載電壓：100V，額定輸出電流：630A；暫載率：60%根據(jù)公式：Ud=（大電流時(shí)：Ud=）對于雙反星型并聯(lián)電路，其對晶閘管耐壓要求均為：U2。U2為變壓器副邊相電壓。根據(jù)Ud=?？紤]兩倍余量：VRRM；VDRM=2x.因此選擇耐壓400V的晶閘管及模塊即可。2.晶閘管額定電流的選擇（IT(AV)）：2.先計(jì)算變壓器副邊流過的相電流（Ie）：由公式：Ie=1/2x(適用雙反星型并聯(lián)電路,因兩極性組并聯(lián),所以公式中需乘以1/2)。對于630A輸出電流，Id=630A所以：Ie=1/2x（此值為交流有效值。需折算為平均值）計(jì)算流過的晶閘管額定電流（IT(AV)）：IT=Ie/考慮選型需按IT(AV)=()IT=116Ax。</p><p> 750V通態(tài)平均電流IT（AV）：5A比較大通態(tài)電壓VT：3V（IT=30A）比較大反向?qū)妷篤TR：<比較大門極觸發(fā)電壓VGT:4V比較大門極觸發(fā)電流IGT:40mA關(guān)斷時(shí)間toff:μs通態(tài)電壓臨界上升率du/dt:120V/μs通態(tài)浪涌電流ITSM:80A利用萬用表和兆歐表可以檢查逆導(dǎo)晶閘管的好壞。測試內(nèi)容主要分三項(xiàng)：1．檢查逆導(dǎo)性選擇萬用表R×1檔，黑表筆接K極，紅表筆接A極（參見圖3(a)），電阻值應(yīng)為5～10Ω。若阻值為零，證明內(nèi)部二極管短路；電阻為無窮大，說明二極管開路。2．測量正向直流轉(zhuǎn)折電壓V（BO）按照（b）圖接好電路，再按額定轉(zhuǎn)速搖兆歐表，使RCT正向擊穿，由直流電壓表上讀出V（BO）值。3．檢查觸發(fā)能力實(shí)例：使用500型萬用表和ZC25-3型兆歐表測量一只S3900MF型逆導(dǎo)晶閘管。依次選擇R×1k、R×100、R×10和R×1檔測量A-K極間反向電阻，同時(shí)用讀取電壓法求出出內(nèi)部二極管的反向?qū)妷篤TR（實(shí)際是二極管正向電壓VF）。再用兆歐表和萬用表500VDC檔測得V（BO）值。全部數(shù)據(jù)整理成表1。由此證明被測RCT質(zhì)量良好。注意事項(xiàng)：（1）S3900MF的VTR<，宜選R×1檔測量。（2）若再用讀取電流法求出ITR值，還可以繪制反向伏安特性。①一般小功率晶閘管不需加散熱片，但應(yīng)遠(yuǎn)離發(fā)熱元件。正高電氣秉承團(tuán)結(jié)、奮進(jìn)、創(chuàng)新、務(wù)實(shí)的精神，誠實(shí)守信，厚德載物。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="武漢行吊穩(wěn)壓模塊,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052166287731_baomeng7_9433046.jpg"></div><p> 強(qiáng)型120A增強(qiáng)型150A增強(qiáng)型200A增強(qiáng)型300A增強(qiáng)型400A型號LSR-H3Z50D3LSR-H3Z50D2LSR-H3Z50A3LSR-H3P50D1H3Z70D3H3Z70D2H3Z70A3H3P70D1H3Z90D3H3Z90D2H3Z90A3H3P90D1H3100ZFH3Z120D3H3Z120D2H3Z120A3H3P120D1H3120ZFH3Z150D3H3Z150D2H3P150D1H3150ZEH3Z200D3H3Z200D2H3P200D1H3200ZEH3Z300D3H3Z300D2H3P300D1H3300ZDH3Z400D3H3Z400D2H3P400D1H3400Z㈤技術(shù)參數(shù)輸入?yún)?shù)輸入電壓范圍D3：3-36Vdc，D2：18-30Vdc，A3：90-430Vac，D1：4-8Vdc輸入電流5mA-15mA反接保護(hù)有LED指示有輸出參數(shù)額定工作電壓4：48~480Vac，3：36-430Vac，2：24-265Vac，1：12-135Vac輸出通態(tài)壓降＜2Vac斷態(tài)峰值截止電壓Vp4：≥1100Vpk，3：≥900Vpk，2：≥600Vpk，1：≥400Vpk浪涌電流（電網(wǎng)一周）800%最小負(fù)載電流100mA輸出漏電流16A及以下＜2mA，16A以上＜12mA靜態(tài)電壓上升率dVs/dt100V/μs（普通型）、200V/μs（增強(qiáng)型）換向電壓上升率dVc/dt10V/μs（普通型）、200V/μs（增強(qiáng)型）開啟比較大響應(yīng)時(shí)間10ms關(guān)斷比較大延時(shí)10ms其它參數(shù)介質(zhì)耐壓（輸入、輸出及外殼間）≥2000Vac絕緣電阻（輸入、輸出及外殼間）＞1000MΩ。公司生產(chǎn)工藝得到了長足的發(fā)展，優(yōu)良的品質(zhì)使我們的產(chǎn)品暢銷全國各地。武漢行吊穩(wěn)壓模塊</p><p style="text-indent:25px">正高電氣企業(yè)價(jià)值觀：以人為本，顧客滿意，溝通合作，互惠互利。武漢行吊穩(wěn)壓模塊</p><p> 晶閘管模塊的工作原理 </p> <p> 在晶閘管模塊T的工作過程中，晶閘管模塊的陽極A和陰極K與電源和負(fù)載相連，構(gòu)成晶閘管模塊的主電路。晶閘管模塊的柵極G和陰極K與控制可控硅的裝置相連，形成晶閘管模塊的控制電路。 </p> <p> 從晶閘管模塊的內(nèi)部分析工作過程： </p> <p> 晶閘管模塊是一種四層三端器件。它有J1、J2和J3的三個(gè)pn結(jié)圖。中間的NP可分為PNP型三極管和NPN型三極管兩部分。 </p> <p> 當(dāng)晶閘管模塊承載正向陽極電壓時(shí)，為了制造晶閘管模塊導(dǎo)體銅，承受反向電壓的pn結(jié)J2必須失去其阻擋作用。每個(gè)晶體管的集電極電流同時(shí)是另一個(gè)晶體管的基極電流。因此，當(dāng)有足夠的柵極電流Ig流入時(shí)，兩個(gè)復(fù)合晶體管電路會形成較強(qiáng)的正反饋，從而導(dǎo)致兩個(gè)晶體管飽和導(dǎo)通，晶體管飽和導(dǎo)通。武漢行吊穩(wěn)壓模塊</p><p style="text-indent:25px">淄博正高電氣有限公司是一家有著雄厚實(shí)力背景、信譽(yù)可靠、勵(lì)精圖治、展望未來、有夢想有目標(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行業(yè)的翹楚，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)精神將引領(lǐng)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(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，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3103570.html</p></div></div></div></div></div><div id="ajizqmt" class="page-right twoColRt"><div id="3qc2k8f" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zonulhy" 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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