晶(jing)閘管(guan)(guan)智(zhi)能(neng)模(mo)(mo)(mo)(mo)塊(kuai)指的(de)是一種特(te)殊(shu)的(de)模(mo)(mo)(mo)(mo)板(ban)(ban)，采用(yong)了(le)采用(yong)全(quan)(quan)數(shu)字(zi)移相(xiang)觸(chu)發(fa)集(ji)成電(dian)(dian)(dian)(dian)(dian)路。中文(wen)名晶(jing)閘管(guan)(guan)智(zhi)能(neng)模(mo)(mo)(mo)(mo)塊(kuai)特(te)點(dian)(dian)(dian)三相(xiang)交流(liu)模(mo)(mo)(mo)(mo)塊(kuai)輸出對(dui)稱(cheng)(cheng)性好等(deng)優點(dian)(dian)(dian)功耗低(di)，效(xiao)(xiao)率高(gao)(gao)等(deng)適(shi)用(yong)溫度-25℃～+45℃目(mu)錄1模(mo)(mo)(mo)(mo)塊(kuai)特(te)點(dian)(dian)(dian)2模(mo)(mo)(mo)(mo)塊(kuai)規格3注(zhu)意事項4模(mo)(mo)(mo)(mo)塊(kuai)參數(shu)晶(jing)閘管(guan)(guan)智(zhi)能(neng)模(mo)(mo)(mo)(mo)塊(kuai)模(mo)(mo)(mo)(mo)塊(kuai)特(te)點(dian)(dian)(dian)編(bian)輯（1）本產品均采用(yong)全(quan)(quan)數(shu)字(zi)移相(xiang)觸(chu)發(fa)集(ji)成電(dian)(dian)(dian)(dian)(dian)路，實現(xian)(xian)了(le)控(kong)(kong)制電(dian)(dian)(dian)(dian)(dian)路和(he)晶(jing)閘管(guan)(guan)主(zhu)電(dian)(dian)(dian)(dian)(dian)路集(ji)成一體(ti)化，使模(mo)(mo)(mo)(mo)塊(kuai)具備了(le)弱電(dian)(dian)(dian)(dian)(dian)控(kong)(kong)制強電(dian)(dian)(dian)(dian)(dian)的(de)電(dian)(dian)(dian)(dian)(dian)力調控(kong)(kong)作用(yong)。（2）采用(yong)進(jin)口(kou)方形芯(xin)片(pian)，模(mo)(mo)(mo)(mo)塊(kuai)壓降小、功耗低(di)，效(xiao)(xiao)率高(gao)(gao)；采用(yong)進(jin)口(kou)貼(tie)片(pian)元(yuan)件，保(bao)證(zheng)(zheng)觸(chu)發(fa)控(kong)(kong)制電(dian)(dian)(dian)(dian)(dian)路的(de)可(ke)靠(kao)性；采用(yong)（DCB）陶瓷覆(fu)銅(tong)板(ban)(ban)，導(dao)(dao)熱(re)性能(neng)好，熱(re)循環負載(zai)(zai)次(ci)數(shu)高(gao)(gao)于(yu)(yu)國(guo)家標(biao)準(zhun)近10倍；采用(yong)高(gao)(gao)級導(dao)(dao)熱(re)絕(jue)緣(yuan)封裝(zhuang)材料，絕(jue)緣(yuan)、防(fang)潮性能(neng)優良(liang)。（3）觸(chu)發(fa)控(kong)(kong)制電(dian)(dian)(dian)(dian)(dian)路、主(zhu)電(dian)(dian)(dian)(dian)(dian)路和(he)導(dao)(dao)熱(re)底板(ban)(ban)相(xiang)互(hu)隔(ge)離，導(dao)(dao)熱(re)底板(ban)(ban)不帶電(dian)(dian)(dian)(dian)(dian)，絕(jue)緣(yuan)強度≥2500V（RMS），保(bao)證(zheng)(zheng)人身安(an)全(quan)(quan)。（4）三相(xiang)交流(liu)模(mo)(mo)(mo)(mo)塊(kuai)輸出對(dui)稱(cheng)(cheng)性好，直流(liu)分量小。大規格模(mo)(mo)(mo)(mo)塊(kuai)具有過熱(re)、過流(liu)、缺相(xiang)保(bao)護作用(yong)。（5）輸入0～10V直流(liu)控(kong)(kong)制信號或(huo)(huo)0～5V直流(liu)控(kong)(kong)制信號、4～20mA儀(yi)表信號，均可(ke)實現(xian)(xian)對(dui)主(zhu)電(dian)(dian)(dian)(dian)(dian)路輸出電(dian)(dian)(dian)(dian)(dian)壓進(jin)行平滑調節；可(ke)手動、儀(yi)表或(huo)(huo)微機控(kong)(kong)制。（6）適(shi)用(yong)于(yu)(yu)阻性和(he)感性負載(zai)(zai)。由于(yu)(yu)這(zhe)種特(te)殊(shu)電(dian)(dian)(dian)(dian)(dian)路結構，使之(zhi)具有耐(nai)高(gao)(gao)壓、耐(nai)高(gao)(gao)溫、關斷時間(jian)短、通態電(dian)(dian)(dian)(dian)(dian)壓低(di)等(deng)優良(liang)性能(neng)。天津進(jin)口(kou)WESTCODE西(xi)瑪晶(jing)閘管(guan)(guan)/二極管(guan)(guan)銷售(shou)廠

有(you)(you)三個不(bu)同電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)、陽極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)A、陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)K和控(kong)(kong)(kong)(kong)(kong)制(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)G.可(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)硅(gui)在(zai)電(dian)(dian)(dian)(dian)(dian)路中能夠實現交流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)無(wu)觸(chu)點控(kong)(kong)(kong)(kong)(kong)制(zhi)，以小(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)控(kong)(kong)(kong)(kong)(kong)制(zhi)大電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)，并且(qie)不(bu)象繼電(dian)(dian)(dian)(dian)(dian)器那樣控(kong)(kong)(kong)(kong)(kong)制(zhi)時(shi)有(you)(you)火(huo)花產生，而(er)且(qie)動作(zuo)快(kuai)、壽命(ming)長、可(ke)(ke)(ke)靠性(xing)好。在(zai)調(diao)速、調(diao)光(guang)、調(diao)壓(ya)(ya)(ya)、調(diao)溫以及其(qi)他各(ge)種控(kong)(kong)(kong)(kong)(kong)制(zhi)電(dian)(dian)(dian)(dian)(dian)路中都有(you)(you)它(ta)的(de)(de)(de)(de)(de)身影。可(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)硅(gui)分為單(dan)向(xiang)(xiang)的(de)(de)(de)(de)(de)和雙(shuang)向(xiang)(xiang)的(de)(de)(de)(de)(de)，符號也不(bu)同。單(dan)向(xiang)(xiang)可(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)硅(gui)有(you)(you)三個PN結，由(you)外層的(de)(de)(de)(de)(de)P極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)和N極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)引出兩個電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)，分別(bie)稱為陽極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)和陰(yin)(yin)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)，由(you)中間的(de)(de)(de)(de)(de)P極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)引出一(yi)個控(kong)(kong)(kong)(kong)(kong)制(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)。雙(shuang)向(xiang)(xiang)可(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)硅(gui)有(you)(you)其(qi)獨特(te)的(de)(de)(de)(de)(de)特(te)點：當陽極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)接合(he)，陽極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)接合(he)或柵極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)正向(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，但沒(mei)有(you)(you)施(shi)加電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)時(shi)，它(ta)不(bu)導通(tong)，并且(qie)同時(shi)連接到(dao)陽極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)和柵極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)(de)(de)(de)正向(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)反(fan)向(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)時(shi)，它(ta)將(jiang)被關(guan)上(shang)。一(yi)旦(dan)開啟(qi)，控(kong)(kong)(kong)(kong)(kong)制(zhi)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)有(you)(you)它(ta)的(de)(de)(de)(de)(de)作(zuo)用失去(qu)了(le)控(kong)(kong)(kong)(kong)(kong)制(zhi)，無(wu)論控(kong)(kong)(kong)(kong)(kong)制(zhi)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)性(xing)怎么沒(mei)有(you)(you)了(le)，不(bu)管(guan)(guan)控(kong)(kong)(kong)(kong)(kong)制(zhi)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，將(jiang)保持(chi)在(zai)接通(tong)狀(zhuang)態(tai)。關(guan)斷，只有(you)(you)在(zai)陽極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)減小(xiao)(xiao)到(dao)一(yi)個臨界值(zhi)，或反(fan)之(zhi)亦然(ran)。大多數(shu)雙(shuang)向(xiang)(xiang)可(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)硅(gui)引腳按t1、t2、g順(shun)序(xu)從左到(dao)右排列(lie)(電(dian)(dian)(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)引腳向(xiang)(xiang)下，面向(xiang)(xiang)側(ce)面有(you)(you)字符)。當施(shi)加到(dao)控(kong)(kong)(kong)(kong)(kong)制(zhi)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)g上(shang)的(de)(de)(de)(de)(de)觸(chu)發(fa)脈沖(chong)的(de)(de)(de)(de)(de)大小(xiao)(xiao)或時(shi)間改(gai)(gai)變(bian)(bian)時(shi)，其(qi)傳導電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)(de)(de)大小(xiao)(xiao)可(ke)(ke)(ke)以改(gai)(gai)變(bian)(bian)。與單(dan)向(xiang)(xiang)可(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)硅(gui)的(de)(de)(de)(de)(de)區(qu)別(bie)是，雙(shuang)向(xiang)(xiang)可(ke)(ke)(ke)控(kong)(kong)(kong)(kong)(kong)硅(gui)G極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)上(shang)觸(chu)發(fa)一(yi)個脈沖(chong)的(de)(de)(de)(de)(de)極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)性(xing)可(ke)(ke)(ke)以改(gai)(gai)變(bian)(bian)時(shi)，其(qi)導通(tong)方向(xiang)(xiang)就(jiu)隨著不(bu)同極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)性(xing)的(de)(de)(de)(de)(de)變(bian)(bian)化(hua)而(er)改(gai)(gai)變(bian)(bian)，從而(er)能夠進(jin)行控(kong)(kong)(kong)(kong)(kong)制(zhi)提(ti)供交流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)系統負載。天津進(jin)口WESTCODE西瑪晶(jing)閘管(guan)(guan)/二極(ji)(ji)(ji)(ji)(ji)(ji)(ji)(ji)管(guan)(guan)銷售廠當外加反(fan)向(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)超過(guo)其(qi)反(fan)向(xiang)(xiang)重復峰值(zhi)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)URRM一(yi)定值(zhi)時(shi)，晶(jing)閘管(guan)(guan)就(jiu)會立即損壞(huai)。

它由(you)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)變壓(ya)器(qi)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)穩壓(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)、三相同(tong)步電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)及(ji)處理(li)模(mo)塊、數(shu)字調(diao)節(jie)器(qi)、數(shu)字觸發器(qi)、六路(lu)(lu)相互隔離的脈(mo)沖輸出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)、開關量輸入(ru)、故障(zhang)及(ji)報(bao)警(jing)(jing)輸出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)、模(mo)擬量處理(li)及(ji)A/D轉換電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)、按鍵參數(shu)設定(ding)(ding)及(ji)LED指示(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)等部分組成。三相晶閘管(guan)觸發板(ban)(ban)技術參數(shu)⑴主電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)閥側額(e)定(ding)(ding)工作線電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)：≤1000V(50HZ)。⑵控(kong)(kong)制(zhi)(zhi)板(ban)(ban)工作電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)：單相220V±10%;電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流A≤。⑶控(kong)(kong)制(zhi)(zhi)板(ban)(ban)同(tong)步信(xin)號(hao)(hao)：三相同(tong)步,AC380V，50HZ，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流A≤10mA;其(qi)他(ta)(ta)(ta)(ta)需定(ding)(ding)制(zhi)(zhi)。⑷UF電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)反(fan)(fan)(fan)饋(kui)(kui)信(xin)號(hao)(hao)：DC0∽10V，內(nei)(nei)阻(zu)抗(kang)≥20KΩ，反(fan)(fan)(fan)饋(kui)(kui)信(xin)號(hao)(hao)比(bi)較(jiao)(jiao)大共(gong)模(mo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)≤10V，其(qi)他(ta)(ta)(ta)(ta)需定(ding)(ding)制(zhi)(zhi)(5)IF電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流反(fan)(fan)(fan)饋(kui)(kui)信(xin)號(hao)(hao)：DC0∽5V，內(nei)(nei)阻(zu)抗(kang)≥20KΩ，反(fan)(fan)(fan)饋(kui)(kui)信(xin)號(hao)(hao)比(bi)較(jiao)(jiao)大共(gong)模(mo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)≤5V，其(qi)他(ta)(ta)(ta)(ta)需定(ding)(ding)制(zhi)(zhi)。⑹1F電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流反(fan)(fan)(fan)饋(kui)(kui)信(xin)號(hao)(hao)：DC0∽5V，內(nei)(nei)阻(zu)抗(kang)≥20KΩ，反(fan)(fan)(fan)饋(kui)(kui)信(xin)號(hao)(hao)比(bi)較(jiao)(jiao)大共(gong)模(mo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)≤5V，其(qi)他(ta)(ta)(ta)(ta)需定(ding)(ding)制(zhi)(zhi)。⑺2F電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流反(fan)(fan)(fan)饋(kui)(kui)信(xin)號(hao)(hao)：DC0∽5V，內(nei)(nei)阻(zu)抗(kang)≥20KΩ，反(fan)(fan)(fan)饋(kui)(kui)信(xin)號(hao)(hao)比(bi)較(jiao)(jiao)大共(gong)模(mo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)≤5V，其(qi)他(ta)(ta)(ta)(ta)需定(ding)(ding)制(zhi)(zhi)。⑻電(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)器(qi)給(gei)定(ding)(ding)接口(kou)：自(zi)帶電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)，每個(ge)(ge)接口(kou)只(zhi)能接一個(ge)(ge)R≥電(dian)(dian)(dian)(dian)(dian)(dian)(dian)位(wei)器(qi)。⑼儀表(biao)控(kong)(kong)制(zhi)(zhi)接口(kou):常規0～10mA儀表(biao)控(kong)(kong)制(zhi)(zhi)信(xin)號(hao)(hao)輸入(ru)，內(nei)(nei)阻(zu)抗(kang)≥500Ω。其(qi)他(ta)(ta)(ta)(ta)需定(ding)(ding)制(zhi)(zhi)。⑽開關量輸入(ru)節(jie)點：4路(lu)(lu)開關量輸入(ru)，自(zi)帶電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)，禁止同(tong)其(qi)他(ta)(ta)(ta)(ta)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)混接。⑾故障(zhang)及(ji)報(bao)警(jing)(jing)繼電(dian)(dian)(dian)(dian)(dian)(dian)(dian)板(ban)(ban)輸出(chu)接點：故障(zhang)和及(ji)報(bao)警(jing)(jing)各(ge)一對常開接點輸出(chu)，容量：AC220V/1A。

這(zhe)對晶(jing)閘(zha)(zha)(zha)管(guan)是(shi)非常危險的(de)(de)(de)(de)(de)(de)(de)。開(kai)(kai)關引起(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)沖擊電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)分(fen)為(wei)(wei)以(yi)下(xia)幾類：（1）AC電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)被切(qie)斷過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)而產(chan)生(sheng)例如，交(jiao)流(liu)(liu)以(yi)及開(kai)(kai)關的(de)(de)(de)(de)(de)(de)(de)開(kai)(kai)閉(bi)(bi)、交(jiao)流(liu)(liu)側(ce)熔斷器(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)熔斷等(deng)引起(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)，這(zhe)些系統過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)問題由(you)于我國變壓(ya)(ya)(ya)(ya)(ya)器(qi)(qi)內部(bu)繞組(zu)的(de)(de)(de)(de)(de)(de)(de)分(fen)布進行電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容、漏抗造成(cheng)的(de)(de)(de)(de)(de)(de)(de)諧(xie)振(zhen)(zhen)控(kong)制(zhi)回路(lu)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容分(fen)壓(ya)(ya)(ya)(ya)(ya)等(deng)使過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)數值為(wei)(wei)正常值的(de)(de)(de)(de)(de)(de)(de)2至10多倍。一般地，開(kai)(kai)閉(bi)(bi)運動速度越來越快(kuai)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)能(neng)(neng)力越高，在空(kong)載情(qing)況下(xia)可(ke)以(yi)斷開(kai)(kai)回路(lu)設計將會有更高的(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)。（2）直流(liu)(liu)側(ce)產(chan)生(sheng)的(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)如果截止電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)感很(hen)大或者截止電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)值很(hen)大，就會產(chan)生(sheng)較大的(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)。這(zhe)種情(qing)況經(jing)常出(chu)現(xian)在切(qie)斷負荷(he)、導(dao)通(tong)晶(jing)閘(zha)(zha)(zha)管(guan)開(kai)(kai)路(lu)或快(kuai)速熔斷器(qi)(qi)熔斷時，引起(qi)(qi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)突變。（3）換(huan)(huan)(huan)相(xiang)(xiang)(xiang)(xiang)沖擊電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)包括換(huan)(huan)(huan)相(xiang)(xiang)(xiang)(xiang)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)和(he)換(huan)(huan)(huan)相(xiang)(xiang)(xiang)(xiang)振(zhen)(zhen)蕩過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)。換(huan)(huan)(huan)相(xiang)(xiang)(xiang)(xiang)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)是(shi)由(you)于晶(jing)閘(zha)(zha)(zha)管(guan)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)降為(wei)(wei)0時器(qi)(qi)件內部(bu)各結(jie)(jie)層(ceng)殘存(cun)載流(liu)(liu)子(zi)復(fu)合所產(chan)生(sheng)的(de)(de)(de)(de)(de)(de)(de)，所以(yi)又叫(jiao)載流(liu)(liu)子(zi)積(ji)蓄效應引起(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)。換(huan)(huan)(huan)相(xiang)(xiang)(xiang)(xiang)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)之后(hou)，出(chu)現(xian)換(huan)(huan)(huan)相(xiang)(xiang)(xiang)(xiang)振(zhen)(zhen)蕩過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)，它是(shi)由(you)于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)感、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容形成(cheng)共(gong)振(zhen)(zhen)產(chan)生(sheng)的(de)(de)(de)(de)(de)(de)(de)振(zhen)(zhen)蕩電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)，其(qi)(qi)值與(yu)換(huan)(huan)(huan)相(xiang)(xiang)(xiang)(xiang)結(jie)(jie)束后(hou)的(de)(de)(de)(de)(de)(de)(de)反向(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)有關。反向(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)越高，換(huan)(huan)(huan)相(xiang)(xiang)(xiang)(xiang)振(zhen)(zhen)蕩過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)也越大。針(zhen)對形成(cheng)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)的(de)(de)(de)(de)(de)(de)(de)不同原因，可(ke)以(yi)采取不同的(de)(de)(de)(de)(de)(de)(de)抑制(zhi)方(fang)法，如減少過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)源(yuan)，并使過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)幅值衰(shuai)減；抑制(zhi)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)能(neng)(neng)量(liang)上升的(de)(de)(de)(de)(de)(de)(de)速率，延緩已(yi)產(chan)生(sheng)能(neng)(neng)量(liang)的(de)(de)(de)(de)(de)(de)(de)消(xiao)散速度，增加其(qi)(qi)消(xiao)散的(de)(de)(de)(de)(de)(de)(de)途徑。晶(jing)閘(zha)(zha)(zha)管(guan)按其(qi)(qi)引腳和(he)極(ji)性可(ke)分(fen)為(wei)(wei)二極(ji)晶(jing)閘(zha)(zha)(zha)管(guan)、三極(ji)晶(jing)閘(zha)(zha)(zha)管(guan)和(he)四極(ji)晶(jing)閘(zha)(zha)(zha)管(guan)。

當(dang)主回路電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)（或電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)）減小到(dao)接近于零時，晶(jing)(jing)(jing)(jing)閘(zha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)關斷。工作過(guo)程(cheng)/晶(jing)(jing)(jing)(jing)閘(zha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)編輯概(gai)述晶(jing)(jing)(jing)(jing)閘(zha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)是四層三端器件(jian)，它(ta)有J1、J2、J3三個(ge)(ge)PN結圖1，可以把它(ta)中(zhong)間(jian)的(de)(de)(de)(de)NP分成(cheng)兩(liang)(liang)部分，構(gou)成(cheng)一個(ge)(ge)PNP型(xing)三極(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)一個(ge)(ge)NPN型(xing)三極(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)復合管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)，圖2晶(jing)(jing)(jing)(jing)閘(zha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)當(dang)晶(jing)(jing)(jing)(jing)閘(zha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)承(cheng)受(shou)(shou)正(zheng)向(xiang)陽極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)時，為(wei)(wei)使晶(jing)(jing)(jing)(jing)閘(zha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)導(dao)通，必須使承(cheng)受(shou)(shou)反(fan)向(xiang)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)的(de)(de)(de)(de)PN結J2失(shi)去(qu)阻(zu)擋作用。圖2中(zhong)每個(ge)(ge)晶(jing)(jing)(jing)(jing)體(ti)(ti)(ti)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)集電(dian)(dian)(dian)(dian)極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)同(tong)時就是另一個(ge)(ge)晶(jing)(jing)(jing)(jing)體(ti)(ti)(ti)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)基極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)。因此，兩(liang)(liang)個(ge)(ge)互相(xiang)復合的(de)(de)(de)(de)晶(jing)(jing)(jing)(jing)體(ti)(ti)(ti)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)電(dian)(dian)(dian)(dian)路，當(dang)有足夠的(de)(de)(de)(de)門(men)極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)Ig流(liu)(liu)(liu)(liu)(liu)入時，就會形成(cheng)強烈的(de)(de)(de)(de)正(zheng)反(fan)饋，造成(cheng)兩(liang)(liang)晶(jing)(jing)(jing)(jing)體(ti)(ti)(ti)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)飽和(he)導(dao)通，晶(jing)(jing)(jing)(jing)體(ti)(ti)(ti)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)飽和(he)導(dao)通。設(she)PNP管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)NPN管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)集電(dian)(dian)(dian)(dian)極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)相(xiang)應為(wei)(wei)Ic1和(he)Ic2；發射(she)極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)相(xiang)應為(wei)(wei)Ia和(he)Ik；電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)放大(da)系數(shu)相(xiang)應為(wei)(wei)a1=Ic1/Ia和(he)a2=Ic2/Ik，設(she)流(liu)(liu)(liu)(liu)(liu)過(guo)J2結的(de)(de)(de)(de)反(fan)相(xiang)漏(lou)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)為(wei)(wei)Ic0,晶(jing)(jing)(jing)(jing)閘(zha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)陽極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)等于兩(liang)(liang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)集電(dian)(dian)(dian)(dian)極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)和(he)漏(lou)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)的(de)(de)(de)(de)總(zong)和(he)：Ia=Ic1+Ic2+Ic0或Ia=a1Ia+a2Ik+Ic0若門(men)極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)為(wei)(wei)Ig，則晶(jing)(jing)(jing)(jing)閘(zha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)陰(yin)極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)為(wei)(wei)Ik=Ia+Ig從而(er)可以得出晶(jing)(jing)(jing)(jing)閘(zha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)陽極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)為(wei)(wei)：I=(Ic0+Iga2）/（1-（a1+a2））（1—1）式硅PNP管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)硅NPN管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)相(xiang)應的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)放大(da)系數(shu)a1和(he)a2隨其發射(she)極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)的(de)(de)(de)(de)改變而(er)急劇變化如圖3所示。當(dang)晶(jing)(jing)(jing)(jing)閘(zha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)承(cheng)受(shou)(shou)正(zheng)向(xiang)陽極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，而(er)門(men)極(ji)(ji)(ji)未受(shou)(shou)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)的(de)(de)(de)(de)情況(kuang)下，式（1—1）中(zhong)，Ig=0,(a1+a2）很小。晶(jing)(jing)(jing)(jing)閘(zha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)承(cheng)受(shou)(shou)反(fan)向(xiang)陽極(ji)(ji)(ji)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)時，不管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)門(men)極(ji)(ji)(ji)承(cheng)受(shou)(shou)何種電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，晶(jing)(jing)(jing)(jing)閘(zha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)都處于反(fan)向(xiang)阻(zu)斷狀(zhuang)態。天(tian)津進口(kou)WESTCODE西瑪晶(jing)(jing)(jing)(jing)閘(zha)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)/二極(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)銷售廠(chang)

晶閘管為半控型(xing)電(dian)力(li)電(dian)子器件。天(tian)津進口WESTCODE西瑪晶閘管/二極管銷售廠(chang)

從而實(shi)際強觸發(fa)(fa)，加速(su)了(le)元件(jian)(jian)的(de)(de)(de)導通(tong)(tong)(tong)，提(ti)(ti)高(gao)了(le)耐電(dian)(dian)(dian)流(liu)(liu)上(shang)升(sheng)(sheng)率的(de)(de)(de)能(neng)(neng)(neng)力(li)。三(san)、能(neng)(neng)(neng)耐較高(gao)的(de)(de)(de)電(dian)(dian)(dian)壓(ya)上(shang)升(sheng)(sheng)率（dv/dt）晶(jing)(jing)(jing)(jing)閘(zha)(zha)(zha)(zha)管(guan)(guan)(guan)(guan)(guan)是由三(san)個P—N結(jie)(jie)組成(cheng)的(de)(de)(de)。每個結(jie)(jie)相(xiang)當(dang)于(yu)一(yi)個電(dian)(dian)(dian)容(rong)器(qi)。結(jie)(jie)電(dian)(dian)(dian)壓(ya)急劇(ju)變化時，就有(you)很(hen)(hen)大(da)的(de)(de)(de)位(wei)移電(dian)(dian)(dian)流(liu)(liu)流(liu)(liu)過(guo)元件(jian)(jian)，它(ta)等效于(yu)控制極(ji)觸發(fa)(fa)電(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)作(zuo)用(yong)(yong)。可(ke)能(neng)(neng)(neng)使(shi)晶(jing)(jing)(jing)(jing)閘(zha)(zha)(zha)(zha)管(guan)(guan)(guan)(guan)(guan)誤導通(tong)(tong)(tong)。這就是普通(tong)(tong)(tong)晶(jing)(jing)(jing)(jing)閘(zha)(zha)(zha)(zha)管(guan)(guan)(guan)(guan)(guan)不能(neng)(neng)(neng)耐高(gao)電(dian)(dian)(dian)壓(ya)上(shang)升(sheng)(sheng)率的(de)(de)(de)原因。為(wei)(wei)了(le)有(you)效防止上(shang)述(shu)誤導通(tong)(tong)(tong)現象發(fa)(fa)生(sheng)，快(kuai)速(su)晶(jing)(jing)(jing)(jing)閘(zha)(zha)(zha)(zha)管(guan)(guan)(guan)(guan)(guan)采取了(le)短(duan)(duan)(duan)(duan)路發(fa)(fa)射結(jie)(jie)結(jie)(jie)構。把陰極(ji)和控制極(ji)按一(yi)定幾何形狀短(duan)(duan)(duan)(duan)路。這樣一(yi)來，即使(shi)電(dian)(dian)(dian)壓(ya)上(shang)升(sheng)(sheng)率較高(gao)，晶(jing)(jing)(jing)(jing)閘(zha)(zha)(zha)(zha)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)電(dian)(dian)(dian)流(liu)(liu)放大(da)系數仍幾乎(hu)為(wei)(wei)零(ling)，不致使(shi)晶(jing)(jing)(jing)(jing)閘(zha)(zha)(zha)(zha)管(guan)(guan)(guan)(guan)(guan)誤導通(tong)(tong)(tong)。只是在電(dian)(dian)(dian)壓(ya)上(shang)升(sheng)(sheng)率進一(yi)步提(ti)(ti)高(gao)，結(jie)(jie)電(dian)(dian)(dian)容(rong)位(wei)移電(dian)(dian)(dian)流(liu)(liu)進一(yi)步增(zeng)大(da)，在短(duan)(duan)(duan)(duan)路點(dian)上(shang)產生(sheng)電(dian)(dian)(dian)壓(ya)降足(zu)夠大(da)時，晶(jing)(jing)(jing)(jing)閘(zha)(zha)(zha)(zha)管(guan)(guan)(guan)(guan)(guan)才能(neng)(neng)(neng)導通(tong)(tong)(tong)。具有(you)短(duan)(duan)(duan)(duan)路發(fa)(fa)射結(jie)(jie)結(jie)(jie)構的(de)(de)(de)晶(jing)(jing)(jing)(jing)閘(zha)(zha)(zha)(zha)管(guan)(guan)(guan)(guan)(guan)，用(yong)(yong)控制極(ji)電(dian)(dian)(dian)流(liu)(liu)觸發(fa)(fa)時，控制極(ji)電(dian)(dian)(dian)流(liu)(liu)首先(xian)也是從短(duan)(duan)(duan)(duan)路點(dian)流(liu)(liu)向陰極(ji)。只是當(dang)控制極(ji)電(dian)(dian)(dian)流(liu)(liu)足(zu)夠大(da)，在短(duan)(duan)(duan)(duan)路點(dian)電(dian)(dian)(dian)阻上(shang)的(de)(de)(de)電(dian)(dian)(dian)壓(ya)降足(zu)夠大(da)，PN結(jie)(jie)正偏(pian)導通(tong)(tong)(tong)電(dian)(dian)(dian)流(liu)(liu)時，才同沒有(you)短(duan)(duan)(duan)(duan)路發(fa)(fa)射結(jie)(jie)的(de)(de)(de)元件(jian)(jian)一(yi)樣，可(ke)被(bei)觸發(fa)(fa)導通(tong)(tong)(tong)。因此，快(kuai)速(su)晶(jing)(jing)(jing)(jing)閘(zha)(zha)(zha)(zha)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)抗干(gan)擾(rao)能(neng)(neng)(neng)力(li)較好。快(kuai)速(su)晶(jing)(jing)(jing)(jing)閘(zha)(zha)(zha)(zha)管(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)生(sheng)產和應用(yong)(yong)都進展很(hen)(hen)快(kuai)。目前(qian)，已有(you)了(le)電(dian)(dian)(dian)流(liu)(liu)幾百安培(pei)、耐壓(ya)1千余伏，關斷時間*為(wei)(wei)20微妙的(de)(de)(de)大(da)功率快(kuai)速(su)晶(jing)(jing)(jing)(jing)閘(zha)(zha)(zha)(zha)管(guan)(guan)(guan)(guan)(guan)，同時還做出了(le)**高(gao)工作(zuo)頻(pin)率可(ke)達幾十千赫茲供高(gao)頻(pin)逆(ni)變用(yong)(yong)的(de)(de)(de)元件(jian)(jian)。天津(jin)進口WESTCODE西瑪晶(jing)(jing)(jing)(jing)閘(zha)(zha)(zha)(zha)管(guan)(guan)(guan)(guan)(guan)/二(er)極(ji)管(guan)(guan)(guan)(guan)(guan)銷售(shou)廠

本(ben)文來自(zi)四川精(jing)碳偉業環保科技有限責任公司：//wasul.cn/Article/6c2999964.html