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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</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>?吉林穩(wěn)流穩(wěn)壓模塊品牌淄博正高電氣供應</p><div id="tho0wqb" class="leftbox clearfix"><h1>吉林穩(wěn)流穩(wěn)壓模塊品牌淄博正高電氣供應</h1><div id="zyaug83" class="proBig"><div id="a8gsji8" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/baomeng7/2020/1/637139082658869825/6371390826588698257676812.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="yekza8j" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/baomeng7/2020/1/637139082658869825/6371390826588698257676812.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rfhnpok" 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)品關鍵詞：</span>吉林穩(wěn)流穩(wěn)壓模塊品牌,晶閘管模塊</p><p><span>***更新：</span>2021-02-06 05:03:45</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="h7bikr2" 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="wk3zgnp" class="page-proshow02"><p class="title">詳細說明</p><div id="zta2okr" class="box"><p><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=。當負載電流小于額定值（Id）2~5%時，流過平衡電抗器的電流太小，達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，此時該線路輸出電壓與三相半波電路一樣，該電壓即為電焊機空載電壓。輸出電壓：Ud=。2電阻R的作用是為電焊機在空載電壓輸出時，提供可控硅導通的擎制電流。因此擎制電流參數(shù)的大小或離散性對R的阻值有相當重要性。實例：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：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，吉林穩(wěn)流穩(wěn)壓模塊品牌,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，吉林穩(wěn)流穩(wěn)壓模塊品牌。需折算為平均值）計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，吉林穩(wěn)流穩(wěn)壓模塊品牌。公司生產(chǎn)工藝得到了長足的發(fā)展，優(yōu)良的品質使我們的產(chǎn)品****各地。吉林穩(wěn)流穩(wěn)壓模塊品牌</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林穩(wěn)流穩(wěn)壓模塊品牌,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/baomeng7/2020/1/637139082658869825/6371390826588698257676812.jpg"></div><p> 由于晶閘管在導通期間，載流子充滿元件內(nèi)部，所以元件在關斷過程中，正向電壓下降到零時，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出現(xiàn)較大的反向電流，使積蓄載流子迅速消失，這時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)生的感應電勢L（di/dt）值仍很大，這個電勢和電源電壓串聯(lián)，反向加在已恢復阻斷的元件上，可能導致晶閘管的反向擊穿。這種由于晶閘管關斷引起的過電壓，稱為關斷過電壓，其數(shù)值可達工作電壓峰值的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通到截止時產(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，以取得較好的保護效果。各型號模塊對應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、持續(xù)時間較長的過電壓。壓敏電阻標稱電壓（V1mA），是指壓敏電阻流過1mA電流時它兩端的電壓。壓敏電阻的選擇，主要考慮額定電壓和通流容量。吉林穩(wěn)流穩(wěn)壓模塊品牌正高電氣運用高科技，不斷創(chuàng)新為企業(yè)經(jīng)營發(fā)展的宗旨。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林穩(wěn)流穩(wěn)壓模塊品牌,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052166287731_baomeng7_5437458.jpg"></div><p> 晶閘管模塊的工作條件： </p> <p> 1.當晶閘管模塊承受正向陽極電壓時，只有在門級承受正向電壓時，晶閘管才打開。此時，晶閘管處于正導通狀態(tài)，這就是晶閘管的晶閘管特性，即可控特性。 </p> <p> 2.晶閘管模塊開著時，只要有一定的正極電壓，不管門級電壓是多少，晶閘管都繼續(xù)工作，即晶閘管接通后，門級就失去了功能。門級只會起到觸發(fā)的作用。 </p> <p> 3.當主電路電壓（或電流）降至接近零時，當主電路電壓（或電流）降為零時，晶閘管模塊被關閉。 </p> <p> 4.當晶閘管模塊承受反向陽極電壓時，無論門級承受何種電壓，晶閘管都處于反向閉鎖狀態(tài)。在中頻爐中整流側關斷時間采用KP-60微秒以內(nèi)，逆變側關短時間采用KK-30微秒以內(nèi)。 </p><p> 它可以用控制移相觸發(fā)脈沖來方便地改變負載的交流工作電壓，從而應用于精確地調(diào)溫、調(diào)光等阻性負載及部分感性負載場合。⑵雙向可控硅輸出的普通型與單向可控硅反并聯(lián)輸出的增強型的區(qū)別在感性負載的場合，當LSR由通態(tài)關斷時，由于電流、電壓的相位不一致，將產(chǎn)生一個很大的電壓上升率dv/dt（換向dv/dt）加在雙向可控硅兩端，如此值超過雙向可控硅的換向dv/dt指標(典型值為10V/μs)則將導致延時關斷，甚至失敗。而單向可控硅為單極性工作狀態(tài)，只受靜態(tài)電壓上升率dv/dt(典型值為100V/μs)影響，由兩只單向可控硅反并聯(lián)構成的增強型LSR比由一只雙向可控硅構成的普通型LSR的換向dv/dt有了很大提高，因此在感性或容性負載場合宜選取增強型LSR。㈣繼電器負載輸出端電流等級及型號如下表：電流普通型2A普通型4A普通型8A普通型16A普通型25A普通型40A增強型15A增強型35A型號LSR-3Z02D3LSR-3Z02D2LSR-3Z02A3LSR-3P02D1-3Z04D3-3Z04D2-3Z04A3-3P04D1-3Z08D3-3Z08D2-3Z08A3-3P08D1-3Z16D3-3Z16D2-3Z16A3-3P16D1-3Z25D3-3Z25D2-3Z25A3-3P25D1-3Z40D3-3Z40D2-3Z40A3-3P40D1LSR-H3Z15D3LSR-H3Z15D2LSR-H3Z15A3LSR-H3P15D1-H3Z35D3-H3Z35D2-H3Z35A3-H3P35D1電流增強型50A增強型70A增強型90A。正高電氣具備雄厚的實力和豐富的實踐經(jīng)驗。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林穩(wěn)流穩(wěn)壓模塊品牌,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052166599621_baomeng7_8300656.jpg"></div><p> 如大功率電阻、大功率三極管以及電源變壓器等。對于大功率晶閘管，必須按手冊申的要求加裝散熱裝置及冷卻條件，以保證管子工作時的溫度不超過結溫。②晶閘管在使用中發(fā)生超越和短路現(xiàn)象時，會引發(fā)過電流將管子燒毀。對于過電流，一般可在交流電源中加裝快速保險絲加以保護?？焖俦ｋU絲的熔斷時間極短，一般保險絲的額定電流用晶閘管額定平均電流的。③交流電源在接通與斷開時，有可能在晶閘管的導通或阻斷對出現(xiàn)過壓現(xiàn)象，將管子擊穿。對于過電壓，可采用并聯(lián)RC吸收電路的方法。因為電容兩端的電壓不能突變，所以只要在晶閘管的陰極及陽極間并取RC電路，就可以削弱電源瞬間出現(xiàn)的過電壓，起到保護晶閘管的作用。當然也可以采用壓敏電阻過壓保護元件進行過壓保護。晶體閘流管如何保護晶閘管編輯晶閘管在工業(yè)中的應用越來越，隨著行業(yè)的應用范圍增大。晶閘管的作用也越來越。但是有時候，晶閘管在使用過程中會造成一些傷害。為了保證晶閘管的壽命。我們該如何更好地區(qū)保護晶閘管呢？在使用過程中，晶閘管對過電壓是很敏感的。過電流同樣對晶閘管有極大的損壞作用。西安瑞新公司給大家介紹晶閘管的保護方法，具體如下：1、過電壓保護晶閘管對過電壓很敏感。正高電氣公司地理位置優(yōu)越，擁有完善的服務體系。吉林穩(wěn)流穩(wěn)壓模塊品牌</p><p style="text-indent:25px">正高電氣我們完善的售后服務，讓客戶買的放心，用的安心。吉林穩(wěn)流穩(wěn)壓模塊品牌</p><p> 晶閘管模塊產(chǎn)品特點： </p> <p> 1、芯片與基板電絕緣，電壓2500V； </p> <p> 2、國際標準封裝； </p> <p> 3、壓接結構，優(yōu)良的溫度特性和動力循環(huán)能力； </p> <p> 4、輸入-輸出端之間隔離耐壓≥2500VAC； </p> <p> 5、200A以下為強制風冷，300A以上模塊，可以選擇風冷或水冷。 </p> <p> 6、安裝簡單，使用維修方便，體積小，重量輕。 </p> <p> 典型應用： </p> <p> 直流電源、交流開關、焊接設備、電機控制、調(diào)光、變頻器、UPS電源、無觸點開關、電機軟起動、蓄電池充放電、靜態(tài)無功功率補償、工業(yè)加熱控制、各種整流電源。吉林穩(wěn)流穩(wěn)壓模塊品牌</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，也希望未來公司能成為*****，努力為行業(yè)領域的發(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、服務來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3186799.html</p></div></div></div></div></div><div id="c27of2c" class="page-right twoColRt"><div id="vpby3en" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ixtahjq" 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" class="vcenter" 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