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class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="x9fhevx" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2020/1/6/11/637139081919615024_baomeng7_7839305.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gswyacz" 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>山東快恢復(fù)可控硅模塊組件,可控硅模塊</p><p><span>***更新：</span>2020-12-13 12:04:57</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ahzwyah" 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="xrjgiz8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ex2ifho" class="box"><p><p> 一種以硅單晶為基本材料的P1N1P2N2四層三端器件，創(chuàng)制于1957年，由于它特性類似于真空閘流管，所以國際上通稱為硅晶體閘流管，簡稱晶閘管T。又由于晶閘管開始應(yīng)用于可控整流方面所以又稱為硅可控整流元件，簡稱為可控硅SCR。 </p> <p> 在性能上，可控硅不僅具有單向?qū)щ娦?，而且還具有比硅整流元件(俗稱“死硅”)更為可貴的可控性。它只有導(dǎo)通和關(guān)斷兩種狀態(tài)。 </p> <p> 可控硅能以毫安級電流控制大功率的機(jī)電設(shè)備，如果超過此頻率，因元件開關(guān)損耗明顯增加，允許通過的平均電流相降低，此時(shí)，標(biāo)稱電流應(yīng)降級使用。 </p> <p> 可控硅的優(yōu)點(diǎn)很多，例如：以小功率控制大功率，功率放大倍數(shù)高達(dá)幾十萬倍;反應(yīng)極快，山東快恢復(fù)可控硅模塊組件，在微秒級內(nèi)開通、關(guān)斷;無觸點(diǎn)運(yùn)行，無火花、無噪音;效率高，成本低等等。 </p> <p> 可控硅的弱點(diǎn)：靜態(tài)及動態(tài)的過載能力較差;容易受干擾而誤導(dǎo)通，山東快恢復(fù)可控硅模塊組件。 </p> <p> 可控硅從外形上分類主要有：螺栓形，山東快恢復(fù)可控硅模塊組件、平板形和平底形。淄博正高電氣有限公司產(chǎn)品**國內(nèi)。山東快恢復(fù)可控硅模塊組件</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東快恢復(fù)可控硅模塊組件,可控硅模塊" src="http://tyunfile.71360.com/UpLoadFile/2020/1/6/11/637139081919615024_baomeng7_7839305.jpg"></div><p> 實(shí)際上，可控硅模塊元件的結(jié)溫不容易直接測量，因此不能用它作為是否超溫的判據(jù)。通過控制模塊底板的溫度（即殼溫Tc）來控制結(jié)溫是一種有效的方法。由于PN結(jié)的結(jié)溫Tj和殼溫Tc存在著一定的溫度梯度，知道了殼溫也就知道了結(jié)溫，而相當(dāng)高殼溫Tc是限定的，由產(chǎn)品數(shù)據(jù)表給出。借助溫控開關(guān)可以很容易地測量到與散熱器接觸處的模塊底板溫度（溫度傳感元件應(yīng)置于模塊底板溫度相當(dāng)高的位置）。從溫控天關(guān)測量到的殼溫可以判斷模塊的工作是否正常。若在線路中增加一個(gè)或兩個(gè)溫度控制電路，分別控制風(fēng)機(jī)的開啟或主回路的通斷（停機(jī)），就可以有效地保證晶閘管模塊在額定結(jié)溫下正常工作。 </p> <p> 需要指出的是，溫控開關(guān)測量到的溫度是模塊底板表面的溫度，易受環(huán)境、空氣對流的影響，與模塊和散熱器的接觸面上的溫度Tc，還有一定的差別（大約低幾度到十幾度），因此其實(shí)際控制溫度應(yīng)低于規(guī)定的Tc值。用戶可以根據(jù)實(shí)際情況和經(jīng)驗(yàn)決定控制的溫度。煙臺小功率可控硅模塊淄博正高電氣有限公司是您可信賴的合作伙伴！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東快恢復(fù)可控硅模塊組件,可控硅模塊" src="http://tyunfile.71360.com/UpLoadFile/2019/10/26/16/637077051976762394_baomeng7_7611214.jpg"></div><p> 可控硅模塊在應(yīng)用電路中的作用體現(xiàn)在： </p> <p> 可控整流器：如二極管整流器，交流整流器整流為直流，在交流電壓不變的情況下，可有效控制直流輸出電壓，實(shí)現(xiàn)交流/直流的轉(zhuǎn)換。 </p> <p> 無觸點(diǎn)電源靜態(tài)開關(guān)（固態(tài)開關(guān)）：晶閘管模塊作為電源開關(guān)元件，可在開關(guān)頻率較高的場合替代接觸器和繼電器。 </p> <p> 因此，可控硅模塊普遍應(yīng)用于各種電子設(shè)備和電子產(chǎn)品中，如可控整流、逆變、變頻、調(diào)壓、無觸點(diǎn)開關(guān)等。晶閘管模塊廣泛應(yīng)用于家用電器的工業(yè)控制領(lǐng)域，如調(diào)光燈、調(diào)速風(fēng)扇、空調(diào)、熱水器、電視、冰箱、洗衣機(jī)、照相機(jī)、音響組合、語音控制電路、定時(shí)控制器、感應(yīng)燈、圣誕燈控制器、自動門電路、玩具裝置等。電動工具產(chǎn)品、無線電遙控電路、攝像機(jī)等領(lǐng)域都大量的使用了可控硅模塊。 </p><p> 斷一個(gè)可控硅元件是否完好，工程師需要從四個(gè)方面進(jìn)行檢查，首先是判斷該元件的三個(gè)PN結(jié)應(yīng)完好，其次是當(dāng)陰極與陽極間電壓反向連接時(shí)能夠阻斷不導(dǎo)通，第三是當(dāng)控制極開路時(shí)，陽極與陰極間的電壓正向連接時(shí)也不導(dǎo)通，第四是給控制極加上正向電流，給陰極與陽極加正向電壓時(shí)，可控硅應(yīng)當(dāng)導(dǎo)通，把控制極電流去掉后仍處于導(dǎo)通狀態(tài)。滿足以上四個(gè)條件的可控硅元件，才是符合設(shè)計(jì)使用要求的。 </p> <p> 想要看一個(gè)可控硅元件是否符合以上要求，其實(shí)非常簡單，只需要用萬用表的歐姆擋測量可控硅的極間電阻，就可對**個(gè)方面的好壞進(jìn)行判斷。具體的操作方法是：用R×1k或R×10k擋測陰極與陽極之間的正反向電阻(控制極不接電壓)，此兩個(gè)阻值均應(yīng)很大。電阻值越大，表明正反向漏電電流愈小。如果測得的阻值很低，或近于無窮大，說明可控硅已經(jīng)擊穿短路或已經(jīng)開路，此可控硅不能使用了。淄博正高電氣有限公司一切從實(shí)際出發(fā)、注重實(shí)質(zhì)內(nèi)容。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山東快恢復(fù)可控硅模塊組件,可控硅模塊" src="http://tyunfile.71360.com/UpLoadFile/baomeng7/2020/1/637139081187454259/6371390811874542594220328.jpg"></div><p> 可控硅模塊的作用和優(yōu)勢大家都知道，它的應(yīng)用范圍是非常廣的，在不同設(shè)備上的使用方法也是不一樣的，那么在整流電路中可控硅模塊的使用方法是什么呢？下面正高來講一下在整流電路中可控硅模塊的使用方法。 </p> <p> <br /> </p> <p> 在正弦交流電壓U2的正半周期間，如果VS的控制極沒有輸入觸發(fā)脈沖Ug，VS仍然不能導(dǎo)通，只有在U2處于正半周，在控制極外加觸發(fā)脈沖Ug時(shí)，可控硅模塊被觸發(fā)導(dǎo)通。只有在觸發(fā)脈沖Ug到來時(shí)，負(fù)載RL上才有電壓UL輸出Ug到來得早，可控硅模塊導(dǎo)通的時(shí)間就早；Ug到來得晚，可控硅模塊導(dǎo)通的時(shí)間就晚。淄博正高電氣有限公司始終以適應(yīng)和促進(jìn)發(fā)展為宗旨。東營高壓可控硅模塊組件</p><p style="text-indent:25px">歡迎各界朋友蒞臨參觀。山東快恢復(fù)可控硅模塊組件</p><p> 可控硅模塊散熱條件的好壞直接關(guān)系到商品的運(yùn)用壽數(shù)和短時(shí)過載才華，溫度越低模塊的輸出電流越大，所以在運(yùn)用中有必要裝備散熱器和風(fēng)機(jī)，主張選用帶有過熱維護(hù)功用的商品，有水冷散熱條件的優(yōu)先挑選水冷散熱。咱們經(jīng)過嚴(yán)肅測算，斷定了不一樣類型的商品所大概裝備的散熱器類型，推薦選用廠家配套的散熱器和風(fēng)機(jī)，用戶自備時(shí)按以下準(zhǔn)則挑選： </p> <p> 1、軸流風(fēng)機(jī)的風(fēng)速應(yīng)大于6m/s ； </p> <p> 2、有必要能確保模塊正常作業(yè)時(shí)散熱底板溫度不大于80℃； </p> <p> 3、模塊負(fù)載較輕時(shí)，可減小散熱器的大小或選用天然冷卻； </p> <p> 4、選用天然辦法冷卻時(shí)散熱器周圍的空氣能結(jié)束對流并恰當(dāng)增大散熱器面積； </p> <p> 5、悉數(shù)緊固模塊的螺釘有必要擰緊，壓線端子聯(lián)接強(qiáng)健，以削減次生熱量的發(fā)生，模塊底板和散熱器之間有必要要涂敷一層導(dǎo)熱硅脂或墊上一片底板大小的導(dǎo)熱墊，以抵達(dá)良好散熱作用。山東快恢復(fù)可控硅模塊組件</p><p style="text-indent:25px">淄博正高電氣有限公司總部位于淄博市臨淄區(qū)桑坡路南首2-20號，是一家可控硅模塊,晶閘管模塊,晶閘管智能模塊,可控硅集成模塊,晶閘管集成模塊,可控硅觸發(fā)板,電力調(diào)整器,固態(tài)繼電器,智能可控硅調(diào)壓模塊,晶閘管調(diào)壓模塊,可控硅模塊廠家,可控硅智能調(diào)壓模塊,移相觸發(fā)板,調(diào)壓模塊,晶閘管智能調(diào)壓模塊,單相觸發(fā)板的公司。公司自創(chuàng)立以來，投身于可控硅模塊，晶閘管智能模塊，觸發(fā)板，電力調(diào)整器，是電子元器件的主力軍。正高電氣供應(yīng)不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。正高電氣供應(yīng)創(chuàng)始人竇新勇，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2388880.html</p></div></div></div></div></div><div id="qk77xe2" class="page-right twoColRt"><div id="zdfh2rg" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="dhel9dk" class="recomPic likePro"><a href="http://m.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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