湖南行車單相交流調壓模塊淄博正高電氣供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" 另外在化工，湖南行車單相交流調壓模塊、煤礦、鋼鐵和等一些要求特殊的裝置和惡劣的工作環(huán)境中，以及要求工作高可靠的場合中，LSR都比傳統(tǒng)的繼電器有無可比擬的優(yōu)越**流固態(tài)繼電器工作原理：LSR實"><meta name="keywords" content="湖南行車單相交流調壓模塊,晶閘管模塊"><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 http-equiv="Cache-Control" content="no-siteapp" 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href="http://www.cdcfah.com/cp/third-dzyqj_kkg(jzg)/">可控硅(晶閘管)</a>?湖南行車單相交流調壓模塊淄博正高電氣供應</p><div id="8m3q9y2" class="leftbox clearfix"><h1>湖南行車單相交流調壓模塊淄博正高電氣供應</h1><div id="splc8rp" class="proBig"><div id="fdjftg8" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2020/1/6/11/637139082182506727_baomeng7_9375187.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8nvqmf0" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2020/1/6/11/637139082182506727_baomeng7_9375187.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="iqw8djx" 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>湖南行車單相交流調壓模塊,晶閘管模塊</p><p><span>***更新：</span>2021-01-30 11:04:58</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="8z2dbr4" 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="pnj3wn4" class="page-proshow02"><p class="title">詳細說明</p><div id="exyevrv" class="box"><p><p> 另外在化工，湖南行車單相交流調壓模塊、煤礦、鋼鐵和等一些要求特殊的裝置和惡劣的工作環(huán)境中，以及要求工作高可靠的場合中，LSR都比傳統(tǒng)的繼電器有無可比擬的優(yōu)越**流固態(tài)繼電器工作原理：LSR實際是一個受控的電力電子開關，其等效電路如圖1，湖南行車單相交流調壓模塊。圖2普通型交流LSR內部結構框圖一般情況下，萬用表不能判別LSR的好壞，正確的方法采用圖3的測試電路：當輸入電流為零時，電壓表測出的電壓為電網(wǎng)電壓，電燈不亮（燈泡功率須25W以上）；當輸入電流達到一定值以后，電燈亮，電壓表測出的電壓為LSR導通壓降（在2V以下）。因LSR內部有RC回路而帶來漏電流，因此不能等同于普通觸點式的繼電器、接觸器,不能作隔離開關用。圖3LSR測試電路㈡LSR特點交流固態(tài)繼電器與通常的電磁繼電器不同：無觸點、輸入電路與輸出電路之間光(電)隔離、由分立元件．半導體微電子電路芯片和電力電子器件組裝而成，以阻燃型環(huán)氧樹脂為原料，采用灌封技術持其封閉在外殼中、使與外界隔離，具有良好的耐壓、防腐、防潮抗震動性能。主要不足是存在通態(tài)壓降（需相應散熱措施），有斷態(tài)漏電流，觸點組數(shù)少，另外過電流、過電壓及電壓上升率、電流上升率等指標差。㈢LSR的分類交流固體繼電器按開關方式分有電壓過零導通型。正高電氣以更積極的態(tài)度，更新、更好的產(chǎn)品，湖南行車單相交流調壓模塊，更質量的服務，迎接挑戰(zhàn)。湖南行車單相交流調壓模塊</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南行車單相交流調壓模塊,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2020/1/6/11/637139082182506727_baomeng7_9375187.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,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。大連蓄電池充放電晶閘管智能調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="湖南行車單相交流調壓模塊,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052180810108_baomeng7_6299651.jpg"></div><p> 晶閘管一般指晶體閘流管晶閘管（Thyristor）是晶體閘流管的簡稱，又可稱做可控硅整流器，以前被簡稱為可控硅；1957年美國通用電器公司開發(fā)出世界上晶閘管產(chǎn)品，并于1958年使其商業(yè)化；晶閘管是PNPN四層半導體結構，它有三個極：陽極，陰極和門極；晶閘管工作條件為：加正向電壓且門極有觸發(fā)電流；其派生器件有：快速晶閘管，雙向晶閘管，逆導晶閘管，光控晶閘管等。它是一種大功率開關型半導體器件，在電路中用文字符號為“V”、“VT”表示（舊標準中用字母“SCR”表示）。晶閘管具有硅整流器件的特性，能在高電壓、大電流條件下工作，且其工作過程可以控制、被應用于可控整流、交流調壓、無觸點電子開關、逆變及變頻等電子電路中。中文名晶閘管外文名Thyristo目錄1種類2工作原理3工作條件4工作過程5注意事項6如何保護晶閘管晶體閘流管種類編輯（一）按關斷、導通及控制方式分類晶閘管按其關斷、導通及控制方式可分為普通晶閘管、雙向晶閘管、逆導晶閘管、門極關斷晶閘管（GTO）、BTG晶閘管、溫控晶閘管和光控晶閘管等多種。。二）按引腳和極性分類晶體閘流管晶閘管按其引腳和極性可分為二極晶閘管、三極晶閘管和四極晶閘管。。</p><p> 按規(guī)定應采用風冷的模塊而采用自冷時，則電流的額定值應降低到原有值的30～40[%]，反之如果改為采用水冷時，則電流的額定值可以增大30～40[%]。為了幫助用戶合理選擇散熱器和風機，我們確定了不同型號模塊在其額定電流工作狀態(tài)下，環(huán)境溫度為40℃時所需的散熱器長度、風機規(guī)格、數(shù)量及散熱器基礎參數(shù)等，請參考說明書。另外，在表內出具了每個型號的模塊在峰值壓降、比較大標稱電流和阻性負載條件下的功耗值，以便于用戶自己確定散熱器尺寸時做參考。在實際應用中，應注意以下幾點：（1）軸流風機風速應≥6m/s。（2）若模塊達不到滿負荷工作，可酌減散熱器長度。（3）在設備開機前，應檢查模塊所有螺釘是否牢固，若有松動，應擰緊螺釘，以使模塊底板和散熱器表面以及模塊電極和接線端子之間都能夠緊密接觸，達到比較好散熱效果。（4）采用自然冷卻形式時，必須保證散熱器周圍的空氣能夠自然對流。（5）因水冷散熱效果好，有水冷條件的，應優(yōu)先水冷散熱形式。正高電氣始終堅持以人為本，恪守質量為金，同建雄績偉業(yè)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖南行車單相交流調壓模塊,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052166443676_baomeng7_1883738.jpg"></div><p> 電焊機選型技巧華晶整流器一、概述：電焊機在進行各種金屬焊接時，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、凸、峰焊、電阻焊時需要調節(jié)焊接隔離變壓器原邊的電壓大?。ㄏ嗫卣{壓或改變通過的周波數(shù)量），屬于晶閘管應用于交流調壓；在各種氬弧焊、CO2氣體保護焊中需要的是直流電源或交直流方波電源。交流應用時，反并聯(lián)的晶閘管串接在主回路中，直流調壓應用時，晶閘管可以組成單、三相全控或半控或雙反星型電路。改變晶閘管的導通角或控制晶閘管的開關時間即可達到調節(jié)焊接電壓和電流的目的。尤其是近幾年來，CO2氣體保護焊機發(fā)展比較迅速，據(jù)報道，發(fā)達國家這種焊機占到百分之六十或七十的比例，我國該焊機所占比例很低，也就百分之二十左右。目前，國內CO2氣體保護焊機有可控和不可控兩種，根據(jù)所用器件進行區(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**整流模塊。正高電氣為消費者帶來更***的生活空間。大連蓄電池充放電晶閘管智能調壓模塊</p><p style="text-indent:25px">正高電氣優(yōu)良的研發(fā)與生產(chǎn)團隊，專業(yè)的技術支撐。湖南行車單相交流調壓模塊</p><p> 特點：1、芯片與底板電氣絕緣2、國際標準封裝3、全壓接結構，優(yōu)良的溫度特性和功率循環(huán)能力4、350A以下模塊皆為強迫風冷，400A以上模塊既可選用風冷，也可選用水冷5、安裝簡單，使用維修方便典型應用：1、交直流電機控制2、各種整流電源3、工業(yè)加熱控制4、調光5、無觸點開關6、電機軟起動7、靜止無功補償8、電焊機9、變頻器10、UPS電源11、如果產(chǎn)品裝機配型不適用，可退換貨給您滿意貼心的服務，是我們一貫的宗旨！有10多年功率半導體元器件制造經(jīng)驗，是專業(yè)從事功率半導體器件的研發(fā)、封裝、測試、銷售、技術服務為一體的****，多年來一直從事冶金自動化和鐵路電氣化領域的國產(chǎn)化工作。我公司的電力半導體器件有：全系列功率模塊(MTC、MFC、MDC、MDQ、MDS)，普通整流管(ZP)，快速整流管(ZK)，軟恢復快速整流管(FRD)，旋轉整流管(ZX)。大功率組合整流元件，普通晶閘管(KP)，快速晶閘管(KK)，雙向晶閘管(KS)，逆導晶閘管(KN)，可關斷晶閘管(GTO)，電力晶體管(GTR)發(fā)電機旋轉勵磁整流組件，各種功率單元。這些元件廣泛應用于電化學電源。湖南行車單相交流調壓模塊</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: 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