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發(fā)信息做推廣就找產(chǎn)品網(wǎng)<br />企業(yè)電商信息綜合服務(wù)平臺 </span><div id="3xgikmy" class="searchbox"><div id="t3l8gam" class="searchLt"><div id="xjvh9km" class="tabs"><a href="JavaScript:;" 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</a></div><div id="un329lh" class="clearfix searchWrap"><div id="ky844kb" class="searchInput"><input type="text" name="keywords" placeholder="請輸入搜索關(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="8dzrqxo" 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 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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wapefmq" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052166443676_baomeng7_1883738.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uyfeam8" 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>上海小功率晶閘管模塊價格,晶閘管模塊</p><p><span>***更新：</span>2021-02-06 11:05:26</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8w32ogf" 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(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="7jx7dug" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="hqxr8kw" class="box"><p><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(dǎo)體結(jié)構(gòu)，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，上海小功率晶閘管模塊價格，逆導(dǎo)晶閘管，光控晶閘管等。它是一種大功率開關(guān)型半導(dǎo)體器件，在電路中用文字符號為“V”、“VT”表示（舊標(biāo)準(zhǔn)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(yīng)用于可控整流、交流調(diào)壓、無觸點電子開關(guān)、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(hù)晶閘管晶體閘流管種類編輯（一）按關(guān)斷、導(dǎo)通及控制方式分類晶閘管按其關(guān)斷、導(dǎo)通及控制方式可分為普通晶閘管、雙向晶閘管，上海小功率晶閘管模塊價格、逆導(dǎo)晶閘管、門極關(guān)斷晶閘管（GTO）、BTG晶閘管、溫控晶閘管和光控晶閘管等多種，上海小功率晶閘管模塊價格。。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。。正高電氣公司自成立以來，一直專注于對產(chǎn)品的精耕細(xì)作。上海小功率晶閘管模塊價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海小功率晶閘管模塊價格,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052166443676_baomeng7_1883738.jpg"></div><p> 它可以用控制移相觸發(fā)脈沖來方便地改變負(fù)載的交流工作電壓，從而應(yīng)用于精確地調(diào)溫、調(diào)光等阻性負(fù)載及部分感性負(fù)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(fù)載的場合，當(dāng)LSR由通態(tài)關(guān)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(biāo)(典型值為10V/μs)則將導(dǎo)致延時關(guān)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(gòu)成的增強型LSR比由一只雙向可控硅構(gòu)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(fù)載場合宜選取增強型LSR。㈣繼電器負(fù)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。上海小功率晶閘管模塊價格正高電氣竭誠為您服務(wù)，期待與您的合作，歡迎大家前來！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海小功率晶閘管模塊價格,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052166599621_baomeng7_8300656.jpg"></div><p> 特點：1、芯片與底板電氣絕緣2、國際標(biāo)準(zhǔn)封裝3、全壓接結(jié)構(gòu)，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(fēng)冷，400A以上模塊既可選用風(fēng)冷，也可選用水冷5、安裝簡單，使用維修方便典型應(yīng)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(diào)光5、無觸點開關(guān)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、電池充放電三相整流橋模塊功率半導(dǎo)體模塊可控硅博飛宏大北京博飛宏大電子科技有限公司，廠家直銷，質(zhì)量，價格有保證！如果您需要相關(guān)型號資料，電壓電流，封裝尺寸大小，可以隨時給您發(fā)送該產(chǎn)品的PDF文檔，供您參考！如果您訂購量大，并且有長期合作意向，可**先給您發(fā)樣品！三天內(nèi)發(fā)貨！如果產(chǎn)品裝機配型不適用，可退換貨！博飛宏大，給您滿意貼心的服務(wù)，是我們一貫的宗旨！公司主頁：歡迎您到廠參觀！北京博飛宏大電子科技有限公司，有10多年功率半導(dǎo)體元器件制造經(jīng)驗，是專業(yè)從事功率半導(dǎo)體器件的研發(fā)、封裝、測試、銷售、技術(shù)服務(wù)為一體的****，多年來一直從事冶金自動化和鐵路電氣化領(lǐng)域的國產(chǎn)化工作。我公司的電力半導(dǎo)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)。</p><p> )=174A-232A顯然，通過以上的計算對于采用雙反星型并聯(lián)電路的ZX5-630；NBK-630；WSM-630焊機應(yīng)選擇MTG200-300A/800V或MTG(AA)130-200A/400V的模塊。比較好選MTG250--300A/800V或MTG(AA)160-200A/400V的模塊.當(dāng)然，焊機可靠長期正常工作除了與模塊正確選型有關(guān)外，與以下因素還有一定的關(guān)系：2焊機暫載率即額定負(fù)荷工作持續(xù)率（FS）：根據(jù)焊機行業(yè)標(biāo)準(zhǔn)此類焊機暫載率一般為：35%；60%；。其定義如下：暫載率FS=負(fù)載滿負(fù)荷持續(xù)運行時間（t）/[負(fù)載滿負(fù)荷持續(xù)運行時間+休止時間]x=t/Tx上式中T為焊機的工作周期，它是負(fù)荷持續(xù)運行和休止時間之和。我國焊機行業(yè)規(guī)定，手工氬弧焊時T為5分鐘；自動氬弧焊時T為10分鐘；即工作6分鐘，休息4分鐘。2散熱條件：以上計算均是在假設(shè)散熱條件足夠的情況下考慮的。如果散熱條件發(fā)生變化，對模塊的選型要求可適當(dāng)增大或減小。l其它線路焊機對模塊的選型：對于使用在三相半控全橋整流線路中的模塊MTY；MDG，如下圖，對器件通流能力要求更高，同等輸出電流的情況下，該線路中的器件通過的電流是雙反星并聯(lián)線路中的兩倍；但對耐壓的要求低一倍。實例：已知條件：Id=630A;空載電壓:100V1、器件耐壓（VRRM?！百|(zhì)量優(yōu)先，用戶至上，以質(zhì)量求發(fā)展，與用戶共創(chuàng)雙贏”是正高電氣新的經(jīng)營觀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海小功率晶閘管模塊價格,晶閘管模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077052166287731_baomeng7_9433046.jpg"></div><p> 額定電壓V1mA的下限是線路工作電壓峰值，考慮到電網(wǎng)電壓的波動以及多次承受沖擊電流以后V1mA值可能下降，因此，額定電壓的取值應(yīng)適當(dāng)提高。目前通常采用30[%]的余量計算。V1mA≥√2?U式中U――壓敏電阻兩端正常工作電壓的有效值。壓敏電阻的數(shù)量：三相整流模塊和三相交流模塊均為三只、單相整流模塊和單相交流模塊均為一只。全部接在交流輸入端。3、過熱保護(hù)晶閘管在電流通過時，會產(chǎn)生一定的壓降，而壓降的存在則會產(chǎn)生一定的功耗，電流越大則功耗越大，產(chǎn)生的熱量也就越大。如果不把這些熱量快速散掉，會造成燒壞晶閘管芯片的問題。因此要求使用晶閘管模塊時，一定要安裝散熱器。散熱條件的好壞，是影響模塊能否安全工作的重要因素。良好的散熱條件不但能夠保證模塊可靠工作、防止模塊過熱燒毀，而且能夠提高模塊的電流輸出能力。建議用戶在使用大電流規(guī)格模塊的時候盡量選擇帶過熱保護(hù)作用的模塊。當(dāng)然，即便模塊帶過熱保護(hù)作用，而散熱器和風(fēng)機也是不可缺少的。在使用中，當(dāng)散熱條件不符合規(guī)定要求時，如室溫超過40℃、強迫風(fēng)冷的出口風(fēng)速不足6m/s等，則模塊的額定電流應(yīng)立即降低使用，否則模塊會由于芯片結(jié)溫超過允許值而損壞。譬如。正高電氣展望未來，信心百倍，追求高遠(yuǎn)。上海小功率晶閘管模塊價格</p><p style="text-indent:25px">正高電氣全力打造良好的企業(yè)形象。上海小功率晶閘管模塊價格</p><p> 3）換相沖擊電壓包括換相過電壓和換相振蕩過電壓。換相過電壓是由于晶閘管的電流降為0時器件內(nèi)部各結(jié)層殘存載流子復(fù)合所產(chǎn)生的，所以又叫載流子積蓄效應(yīng)引起的過電壓。換相過電壓之后，出現(xiàn)換相振蕩過電壓，它是由于電感、電容形成共振產(chǎn)生的振蕩電壓，其值和換相結(jié)束后的反向電壓有關(guān)。反向電壓越高，換相振蕩過電壓也越大。針對形成過電壓的不同原因，可以采取不同的方法，如減少過電壓源，并使過電壓幅值衰減；過電壓能量上升的速率，延緩已產(chǎn)生能量的消散速度，增加其消散的途徑；采用電子線路進(jìn)行保護(hù)等。**常用的是在回路中接入吸收能量的元件，使能量得以消散，常稱之為吸收回路或緩沖電路。（4）阻容吸收回路通常過電壓均具有較高的頻率，因此常用電容作為吸收元件，為防止振蕩，常加阻尼電阻，構(gòu)成阻容吸收回路。阻容吸收回路可接在電路的交流側(cè)、直流側(cè)，或并接在晶閘管的陽極和陰極之間。吸收電路比較好選用無感電容，接線應(yīng)盡量短。。5）由硒堆及壓敏電阻等非線性元件組成吸收回路上述阻容吸收回路的時間常數(shù)RC是固定的，有時對時間短、峰值高、能量大的過電壓來不及放電，過電壓的效果較差。因此，一般在變流裝置的進(jìn)出線端還并有硒堆或壓敏電阻等非線性元件。上海小功率晶閘管模塊價格</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(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)新理念以及自強不息，斗志昂揚的的企業(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/3193430.html</p></div></div></div></div></div><div id="37dx8ce" class="page-right twoColRt"><div id="wqxelsz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bl7efmd" 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(yīng)" class="vcenter" 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