快(kuai)(kuai)(kuai)恢(hui)(hui)(hui)復(fu)(fu)(fu)二(er)(er)極(ji)管(guan)可用(yong)于(yu)(yu)交流或直流電(dian)(dian)源(yuan)的(de)(de)(de)整流回路(lu)，主(zhu)要(yao)用(yong)于(yu)(yu)大(da)電(dian)(dian)流、大(da)功(gong)率(lv)的(de)(de)(de)應(ying)(ying)用(yong)。其(qi)(qi)在(zai)電(dian)(dian)源(yuan)中的(de)(de)(de)主(zhu)要(yao)優(you)勢在(zai)于(yu)(yu)快(kuai)(kuai)(kuai)速恢(hui)(hui)(hui)復(fu)(fu)(fu)速度和(he)減小(xiao)(xiao)反(fan)向(xiang)(xiang)恢(hui)(hui)(hui)復(fu)(fu)(fu)時間，從而降低開關(guan)損(sun)耗(hao)和(he)提高(gao)系(xi)統(tong)效率(lv)。此外(wai)，快(kuai)(kuai)(kuai)恢(hui)(hui)(hui)復(fu)(fu)(fu)二(er)(er)極(ji)管(guan)還(huan)具有(you)反(fan)向(xiang)(xiang)漏電(dian)(dian)流小(xiao)(xiao)、熱穩定性好等(deng)特(te)點(dian)。在(zai)太陽能(neng)光伏逆變(bian)器中，快(kuai)(kuai)(kuai)恢(hui)(hui)(hui)復(fu)(fu)(fu)二(er)(er)極(ji)管(guan)用(yong)于(yu)(yu)直流輸(shu)入端(duan)的(de)(de)(de)整流橋回路(lu)。由(you)于(yu)(yu)其(qi)(qi)快(kuai)(kuai)(kuai)速反(fan)向(xiang)(xiang)恢(hui)(hui)(hui)復(fu)(fu)(fu)速度，可以有(you)效減小(xiao)(xiao)電(dian)(dian)池(chi)片輸(shu)出的(de)(de)(de)溫(wen)度影(ying)響，提高(gao)光伏系(xi)統(tong)的(de)(de)(de)效率(lv)。在(zai)變(bian)頻(pin)器的(de)(de)(de)輸(shu)入端(duan)口以及(ji)(ji)輸(shu)出端(duan)口中，快(kuai)(kuai)(kuai)恢(hui)(hui)(hui)復(fu)(fu)(fu)二(er)(er)極(ji)管(guan)可以替代普通的(de)(de)(de)整流二(er)(er)極(ji)管(guan)，降低開關(guan)噪聲和(he)損(sun)耗(hao)。此外(wai)，快(kuai)(kuai)(kuai)恢(hui)(hui)(hui)復(fu)(fu)(fu)二(er)(er)極(ji)管(guan)具有(you)快(kuai)(kuai)(kuai)速反(fan)向(xiang)(xiang)恢(hui)(hui)(hui)復(fu)(fu)(fu)、反(fan)向(xiang)(xiang)漏電(dian)(dian)流小(xiao)(xiao)、抗干(gan)擾能(neng)力強等(deng)特(te)點(dian)，適用(yong)于(yu)(yu)高(gao)頻(pin)、高(gao)壓、高(gao)溫(wen)環境下(xia)的(de)(de)(de)應(ying)(ying)用(yong)。綜上所述，快(kuai)(kuai)(kuai)恢(hui)(hui)(hui)復(fu)(fu)(fu)二(er)(er)極(ji)管(guan)在(zai)電(dian)(dian)源(yuan)、光伏、變(bian)頻(pin)器等(deng)多個領域(yu)都(dou)有(you)著廣泛的(de)(de)(de)應(ying)(ying)用(yong)，其(qi)(qi)快(kuai)(kuai)(kuai)速反(fan)向(xiang)(xiang)恢(hui)(hui)(hui)復(fu)(fu)(fu)速度、低反(fan)向(xiang)(xiang)漏電(dian)(dian)流以及(ji)(ji)抗干(gan)擾能(neng)力強等(deng)特(te)點(dian)，使其(qi)(qi)成為(wei)這些領域(yu)中不(bu)可或缺的(de)(de)(de)組件之(zhi)一。當然(ran)，不(bu)同場合選用(yong)的(de)(de)(de)快(kuai)(kuai)(kuai)恢(hui)(hui)(hui)復(fu)(fu)(fu)二(er)(er)極(ji)管(guan)也(ye)會不(bu)同，需根據實際情(qing)況進行選擇(ze)。MURF1040CT是什(shen)么類型的(de)(de)(de)管(guan)子？福建(jian)快(kuai)(kuai)(kuai)恢(hui)(hui)(hui)復(fu)(fu)(fu)二(er)(er)極(ji)管(guan)MUR1060CTR

3—二(er)極(ji)管(guan)芯(xin)(xin)片(pian)(pian)(pian)，4一下(xia)過(guo)渡(du)(du)層(ceng)(ceng)(ceng)，5—連(lian)(lian)(lian)接(jie)(jie)橋(qiao)，6—主電極(ji)，61—過(guo)孔，7—絕緣(yuan)體，8—軟彈(dan)性膠，9一外(wai)殼(ke)，91一定(ding)(ding)(ding)位凹槽，具(ju)體實(shi)施方式見圖(tu)(tu)1所示(shi)的(de)(de)(de)(de)(de)(de)非絕緣(yuan)雙塔(ta)型(xing)二(er)極(ji)管(guan)模(mo)塊，包括底(di)(di)板(ban)l、二(er)極(ji)管(guan)芯(xin)(xin)片(pian)(pian)(pian)3、主電極(ji)6以(yi)及外(wai)殼(ke)9，底(di)(di)板(ban)1使(shi)用(yong)鍍鎳銅板(ban)或(huo)其它導電板(ban)，而(er)二(er)極(ji)管(guan)芯(xin)(xin)片(pian)(pian)(pian)3的(de)(de)(de)(de)(de)(de)下(xia)端(duan)(duan)面通(tong)過(guo)下(xia)過(guo)渡(du)(du)層(ceng)(ceng)(ceng)4固(gu)定(ding)(ding)(ding)連(lian)(lian)(lian)接(jie)(jie)在底(di)(di)板(ban)1上，二(er)極(ji)管(guan)芯(xin)(xin)片(pian)(pian)(pian)3的(de)(de)(de)(de)(de)(de)上端(duan)(duan)面通(tong)過(guo)上過(guo)渡(du)(du)層(ceng)(ceng)(ceng)2與(yu)(yu)連(lian)(lian)(lian)結(jie)(jie)(jie)橋(qiao)板(ban)5的(de)(de)(de)(de)(de)(de)一側(ce)固(gu)定(ding)(ding)(ding)連(lian)(lian)(lian)接(jie)(jie)，上過(guo)渡(du)(du)層(ceng)(ceng)(ceng)2和(he)(he)下(xia)過(guo)渡(du)(du)層(ceng)(ceng)(ceng)4均是能(neng)與(yu)(yu)二(er)極(ji)管(guan)芯(xin)(xin)片(pian)(pian)(pian)3、底(di)(di)板(ban)1以(yi)及連(lian)(lian)(lian)通(tong)橋(qiao)板(ban)5連(lian)(lian)(lian)通(tong)的(de)(de)(de)(de)(de)(de)鉬片(pian)(pian)(pian)、鎢(wu)片(pian)(pian)(pian)或(huo)可(ke)(ke)(ke)伐片(pian)(pian)(pian)等(deng)(deng)，通(tong)過(guo)上、下(xia)過(guo)渡(du)(du)層(ceng)(ceng)(ceng)使(shi)二(er)極(ji)管(guan)芯(xin)(xin)片(pian)(pian)(pian)3確實(shi)地與(yu)(yu)底(di)(di)板(ban)1和(he)(he)聯接(jie)(jie)橋(qiao)板(ban)5連(lian)(lian)(lian)結(jie)(jie)(jie)，該連(lian)(lian)(lian)接(jie)(jie)可(ke)(ke)(ke)使(shi)用(yong)焊接(jie)(jie)或(huo)粘接(jie)(jie)等(deng)(deng)固(gu)定(ding)(ding)(ding)方法，特別(bie)是鉬片(pian)(pian)(pian)的(de)(de)(de)(de)(de)(de)熱膨脹系數接(jie)(jie)近于二(er)極(ji)管(guan)芯(xin)(xin)片(pian)(pian)(pian)，減小熱應力。本實(shi)用(yong)新型(xing)的(de)(de)(de)(de)(de)(de)連(lian)(lian)(lian)接(jie)(jie)橋(qiao)板(ban)5是兼具(ju)兩(liang)(liang)個以(yi)上折(zhe)彎的(de)(de)(de)(de)(de)(de)條(tiao)板(ban)，如圖(tu)(tu)2所示(shi)，連(lian)(lian)(lian)結(jie)(jie)(jie)橋(qiao)板(ban)5具(ju)備三折(zhe)，且連(lian)(lian)(lian)結(jie)(jie)(jie)橋(qiao)板(ban)5為(wei)兩(liang)(liang)邊平板(ban)中部凸起(qi)的(de)(de)(de)(de)(de)(de)梯形(xing)；或(huo)連(lian)(lian)(lian)結(jie)(jie)(jie)橋(qiao)板(ban)5為(wei)兩(liang)(liang)邊平板(ban)且中部突起(qi)弓形(xing)；連(lian)(lian)(lian)通(tong)橋(qiao)板(ban)5也可(ke)(ke)(ke)以(yi)是多折(zhe)，彎折(zhe)后的(de)(de)(de)(de)(de)(de)連(lian)(lian)(lian)接(jie)(jie)橋(qiao)板(ban)5能(neng)吸(xi)收(shou)和(he)(he)獲釋機器應力和(he)(he)熱應力，聯接(jie)(jie)橋(qiao)板(ban)5的(de)(de)(de)(de)(de)(de)另一側(ce)通(tong)過(guo)絕緣(yuan)體7固(gu)定(ding)(ding)(ding)在底(di)(di)板(ban)1上，該絕緣(yuan)體7是兩(liang)(liang)面涂有或(huo)覆有金屬層(ceng)(ceng)(ceng)的(de)(de)(de)(de)(de)(de)陶瓷片(pian)(pian)(pian)，可(ke)(ke)(ke)使(shi)用(yong)燒(shao)結(jie)(jie)(jie)或(huo)鍵合工(gong)藝制造，使(shi)用(yong)焊接(jie)(jie)或(huo)粘接(jie)(jie)等(deng)(deng)方法將主電極(ji)6、連(lian)(lian)(lian)結(jie)(jie)(jie)橋(qiao)板(ban)5、絕緣(yuan)體7以(yi)及底(di)(di)板(ban)l精確的(de)(de)(de)(de)(de)(de)固(gu)定(ding)(ding)(ding)連(lian)(lian)(lian)接(jie)(jie)，外(wai)殼(ke)9則固(gu)定(ding)(ding)(ding)在底(di)(di)板(ban)1上。TO263封裝(zhuang)的(de)(de)(de)(de)(de)(de)快恢(hui)復二(er)極(ji)管(guan)MUR2040CTMUR3060CT二(er)極(ji)管(guan)的(de)(de)(de)(de)(de)(de)主要參數。

外(wai)(wai)殼(ke)(ke)9的(de)(de)(de)頂(ding)部(bu)(bu)(bu)有(you)(you)著定(ding)位凹槽91。見圖1所(suo)(suo)示，本實用(yong)新型的(de)(de)(de)主(zhu)電(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)6為兩(liang)個(ge)(ge)以(yi)上(shang)折(zhe)(zhe)邊(bian)的(de)(de)(de)條(tiao)板(ban)(ban)，同樣經彎(wan)曲后的(de)(de)(de)主(zhu)電(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)6也(ye)具吸收和(he)(he)釋(shi)放機械(xie)應力(li)和(he)(he)熱應力(li)的(de)(de)(de)特色，主(zhu)電(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)6的(de)(de)(de)內側與連(lian)接(jie)(jie)橋(qiao)板(ban)(ban)5固(gu)定(ding)連(lian)接(jie)(jie)，主(zhu)電(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)6的(de)(de)(de)另一側穿出(chu)外(wai)(wai)殼(ke)(ke)9并彎(wan)折(zhe)(zhe)后覆(fu)在(zai)(zai)外(wai)(wai)殼(ke)(ke)9頂(ding)部(bu)(bu)(bu)，而覆(fu)在(zai)(zai)外(wai)(wai)殼(ke)(ke)9頂(ding)部(bu)(bu)(bu)的(de)(de)(de)主(zhu)電(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)6上(shang)設有(you)(you)過(guo)(guo)孔61，該過(guo)(guo)孔61與殼(ke)(ke)體(ti)(ti)9上(shang)的(de)(de)(de)定(ding)位凹槽91對應，定(ding)位凹槽91的(de)(de)(de)槽邊(bian)至少設有(you)(you)兩(liang)個(ge)(ge)平行的(de)(de)(de)平面(mian)，可對螺(luo)母(mu)展開(kai)定(ding)位，由于主(zhu)電(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)6不(bu)(bu)受外(wai)(wai)力(li)，可確保二(er)(er)極(ji)(ji)(ji)(ji)(ji)管(guan)芯(xin)片(pian)(pian)3不(bu)(bu)受外(wai)(wai)力(li)影響，在(zai)(zai)定(ding)位凹槽91的(de)(de)(de)下(xia)部(bu)(bu)(bu)設有(you)(you)過(guo)(guo)孔，確保螺(luo)栓不(bu)(bu)會頂(ding)在(zai)(zai)殼(ke)(ke)體(ti)(ti)9上(shang)，而下(xia)過(guo)(guo)渡層4、二(er)(er)極(ji)(ji)(ji)(ji)(ji)管(guan)芯(xin)片(pian)(pian)3、上(shang)過(guo)(guo)渡層2、聯接(jie)(jie)橋(qiao)板(ban)(ban)5、絕緣(yuan)體(ti)(ti)7以(yi)及(ji)主(zhu)電(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)6—側的(de)(de)(de)外(wai)(wai)周灌注軟彈性膠8密(mi)封，將連(lian)結(jie)區域保護密(mi)封，再用(yong)環氧(yang)樹脂(zhi)灌注充滿殼(ke)(ke)體(ti)(ti)空間。權利(li)要(yao)求1、一種非(fei)絕緣(yuan)雙(shuang)塔(ta)型二(er)(er)極(ji)(ji)(ji)(ji)(ji)管(guan)模塊，包括底(di)板(ban)(ban)(1)、二(er)(er)極(ji)(ji)(ji)(ji)(ji)管(guan)芯(xin)片(pian)(pian)(3)、主(zhu)電(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(6)以(yi)及(ji)外(wai)(wai)殼(ke)(ke)(9)，其(qi)特點在(zai)(zai)于所(suo)(suo)述二(er)(er)極(ji)(ji)(ji)(ji)(ji)管(guan)芯(xin)片(pian)(pian)(3)的(de)(de)(de)下(xia)端(duan)面(mian)通(tong)過(guo)(guo)下(xia)過(guo)(guo)渡層(4)固(gu)定(ding)連(lian)通(tong)在(zai)(zai)底(di)板(ban)(ban)(1)上(shang)，二(er)(er)極(ji)(ji)(ji)(ji)(ji)管(guan)芯(xin)片(pian)(pian)(3)的(de)(de)(de)上(shang)端(duan)面(mian)通(tong)過(guo)(guo)上(shang)渡層(2)與連(lian)接(jie)(jie)橋(qiao)板(ban)(ban)(5)的(de)(de)(de)一側固(gu)定(ding)連(lian)接(jie)(jie)，連(lian)通(tong)橋(qiao)板(ban)(ban)(5)是兼具兩(liang)個(ge)(ge)以(yi)上(shang)折(zhe)(zhe)彎(wan)的(de)(de)(de)條(tiao)板(ban)(ban)，連(lian)結(jie)橋(qiao)板(ban)(ban)(5)的(de)(de)(de)另一側通(tong)過(guo)(guo)絕緣(yuan)體(ti)(ti)(7)固(gu)定(ding)在(zai)(zai)底(di)板(ban)(ban)(1)上(shang)，頂(ding)部(bu)(bu)(bu)有(you)(you)著定(ding)位凹槽的(de)(de)(de)外(wai)(wai)殼(ke)(ke)(9)固(gu)定(ding)在(zai)(zai)底(di)板(ban)(ban)(1)上(shang)；所(suo)(suo)述的(de)(de)(de)主(zhu)電(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(6)為兩(liang)個(ge)(ge)以(yi)上(shang)折(zhe)(zhe)邊(bian)的(de)(de)(de)條(tiao)板(ban)(ban)，主(zhu)電(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)。

繼電(dian)器(qi)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)可以(yi)儲(chu)(chu)存(cun)能(neng)(neng)量(liang)的(de)(de)（線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)會阻(zu)止電(dian)流(liu)的(de)(de)突變(bian)，即電(dian)流(liu)只能(neng)(neng)慢慢增大和減少），如果一(yi)下使線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)斷電(dian)，它兩(liang)(liang)端(duan)就會產(chan)生(sheng)很(hen)大的(de)(de)電(dian)壓(ya)，這樣就可能(neng)(neng)使線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)損(sun)壞、相連(lian)接(jie)的(de)(de)元器(qi)件擊(ji)穿。這時，我(wo)們只要在(zai)(zai)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)兩(liang)(liang)端(duan)接(jie)上(shang)快恢復(fu)二(er)極(ji)管(guan)，便可以(yi)使它產(chan)生(sheng)一(yi)個(ge)回路(lu)(lu)（斷電(dian)時相當(dang)于在(zai)(zai)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)兩(liang)(liang)端(duan)接(jie)根短路(lu)(lu)線(xian)(xian)(xian)(xian)(xian)），使線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)儲(chu)(chu)存(cun)的(de)(de)能(neng)(neng)量(liang)放完。這個(ge)快恢復(fu)二(er)極(ji)管(guan)在(zai)(zai)這里起到續(xu)流(liu)的(de)(de)作(zuo)用，我(wo)們通(tong)(tong)常(chang)(chang)稱它為續(xu)流(liu)快恢復(fu)二(er)極(ji)管(guan)。電(dian)感在(zai)(zai)電(dian)路(lu)(lu)中常(chang)(chang)用“L”加數(shu)(shu)字表示，電(dian)感線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)是將(jiang)絕緣(yuan)的(de)(de)導線(xian)(xian)(xian)(xian)(xian)在(zai)(zai)絕緣(yuan)的(de)(de)骨架(jia)上(shang)繞一(yi)定的(de)(de)圈(quan)(quan)(quan)(quan)(quan)數(shu)(shu)制(zhi)成。直流(liu)可通(tong)(tong)過(guo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)，直流(liu)電(dian)阻(zu)就是導線(xian)(xian)(xian)(xian)(xian)本身的(de)(de)電(dian)阻(zu)，壓(ya)降很(hen)小；當(dang)交(jiao)(jiao)流(liu)信號通(tong)(tong)過(guo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)時，線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)兩(liang)(liang)端(duan)將(jiang)會產(chan)生(sheng)自感電(dian)動勢(shi)，自感電(dian)動勢(shi)的(de)(de)方向與外加電(dian)壓(ya)的(de)(de)方向相反，阻(zu)礙交(jiao)(jiao)流(liu)的(de)(de)通(tong)(tong)過(guo)，所(suo)以(yi)電(dian)感的(de)(de)特性(xing)是通(tong)(tong)直流(liu)阻(zu)交(jiao)(jiao)流(liu)。MUR2540CT是快恢復(fu)二(er)極(ji)管(guan)嗎？

電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)器件的(de)(de)(de)(de)(de)(de)緩(huan)(huan)沖(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)(snubbercircuit)又稱吸收電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)，它是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)器件的(de)(de)(de)(de)(de)(de)一(yi)種(zhong)重要(yao)(yao)的(de)(de)(de)(de)(de)(de)保護(hu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)，不(bu)僅用(yong)于(yu)(yu)半控型(xing)器件的(de)(de)(de)(de)(de)(de)保護(hu)，而且在(zai)(zai)(zai)全控型(xing)器件(如GTR、GTO、功率MOSFET和(he)IGBT等)的(de)(de)(de)(de)(de)(de)應用(yong)技術中(zhong)(zhong)起著重要(yao)(yao)的(de)(de)(de)(de)(de)(de)作用(yong)。晶閘管(guan)開通時(shi)，為(wei)(wei)了防止過(guo)(guo)大(da)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)上(shang)升率而燒壞(huai)器件，往(wang)往(wang)在(zai)(zai)(zai)主電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)串入一(yi)個扼流(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)感(gan)，以限制(zhi)過(guo)(guo)大(da)的(de)(de)(de)(de)(de)(de)di/dt，串聯(lian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)感(gan)及其配件組(zu)成了開通緩(huan)(huan)沖(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)，或稱串聯(lian)緩(huan)(huan)沖(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)。晶閘管(guan)關(guan)(guan)斷時(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)突加(jia)在(zai)(zai)(zai)管(guan)子(zi)上(shang)，為(wei)(wei)了抑制(zhi)瞬時(shi)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)和(he)過(guo)(guo)大(da)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)上(shang)升率，以防止晶閘管(guan)內部流(liu)(liu)過(guo)(guo)過(guo)(guo)大(da)的(de)(de)(de)(de)(de)(de)結電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)而誤觸發，需要(yao)(yao)在(zai)(zai)(zai)晶閘管(guan)的(de)(de)(de)(de)(de)(de)兩端并(bing)聯(lian)一(yi)個RC網絡，構(gou)成關(guan)(guan)斷緩(huan)(huan)沖(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)，或稱并(bing)聯(lian)緩(huan)(huan)沖(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)。IGBT的(de)(de)(de)(de)(de)(de)緩(huan)(huan)沖(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)功能(neng)更(geng)側重于(yu)(yu)開關(guan)(guan)過(guo)(guo)程中(zhong)(zhong)過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)的(de)(de)(de)(de)(de)(de)吸收與抑制(zhi)，這是(shi)由于(yu)(yu)IGBT的(de)(de)(de)(de)(de)(de)工作頻率可以高(gao)達30~50kHz;因此很(hen)小(xiao)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)感(gan)就可能(neng)引起頗大(da)的(de)(de)(de)(de)(de)(de)LdiC/dt，從而產生過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)，危及IGBT的(de)(de)(de)(de)(de)(de)安(an)全。PWM逆變器中(zhong)(zhong)IGBT在(zai)(zai)(zai)關(guan)(guan)斷和(he)開通中(zhong)(zhong)的(de)(de)(de)(de)(de)(de)uCE和(he)iC波形。在(zai)(zai)(zai)iC下降過(guo)(guo)程中(zhong)(zhong)IGBT上(shang)出(chu)現了過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)，其值為(wei)(wei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)UCC和(he)LdiC/dt兩者的(de)(de)(de)(de)(de)(de)疊(die)加(jia)。IGBT緩(huan)(huan)沖(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)(zhong)的(de)(de)(de)(de)(de)(de)二極(ji)管(guan)必(bi)須(xu)是(shi)快(kuai)恢(hui)復(fu)的(de)(de)(de)(de)(de)(de)二極(ji)管(guan)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容必(bi)須(xu)是(shi)高(gao)頻、損耗(hao)小(xiao)，頻率特性好的(de)(de)(de)(de)(de)(de)薄(bo)膜(mo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容。這樣才能(neng)取得好的(de)(de)(de)(de)(de)(de)吸收效果。MUR2060CA是(shi)什么類型(xing)的(de)(de)(de)(de)(de)(de)管(guan)子(zi)？江蘇快(kuai)恢(hui)復(fu)二極(ji)管(guan)MUR3040CT

SF168CTD是那種(zhong)類(lei)型(xing)的二極(ji)管(guan)？福建快恢(hui)復二極(ji)管(guan)MUR1060CTR

但由于環(huan)境(jing)(jing)的(de)(de)影響(xiang)，特別是在濕度大(da)(da)或帶粉塵(chen)的(de)(de)環(huan)境(jing)(jing)下，往往會使(shi)(shi)觸(chu)頭(tou)毀損，另外接(jie)觸(chu)器(qi)(qi)(qi)(qi)(qi)接(jie)通和(he)斷(duan)開(kai)(kai)時產生電(dian)(dian)(dian)(dian)弧，導致接(jie)觸(chu)器(qi)(qi)(qi)(qi)(qi)壽命(ming)縮(suo)短而(er)毀壞，從而(er)嚴重(zhong)(zhong)影響(xiang)變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)(qi)的(de)(de)安(an)定精(jing)確工(gong)作(zuo)。為(wei)了化解上述(shu)存在的(de)(de)疑問，常(chang)州瑞(rui)華電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)子器(qi)(qi)(qi)(qi)(qi)件(jian)有(you)限公司(si)使(shi)(shi)用FRED替代平(ping)常(chang)整(zheng)(zheng)(zheng)流二極(ji)管(guan)(guan)(guan)，使(shi)(shi)用晶(jing)(jing)閘管(guan)(guan)(guan)替代機(ji)器(qi)(qi)(qi)(qi)(qi)接(jie)觸(chu)器(qi)(qi)(qi)(qi)(qi)，制成(cheng)如(ru)圖1所(suo)示的(de)(de)“三(san)相(xiang)(xiang)FRED整(zheng)(zheng)(zheng)流橋開(kai)(kai)關(guan)模塊(kuai)(kuai)”，這種模塊(kuai)(kuai)用以(yi)變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)(qi)后，能使(shi)(shi)變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)(qi)性能提高、體積縮(suo)小(xiao)、重(zhong)(zhong)量(liang)減(jian)輕、工(gong)作(zuo)安(an)定確實。本(ben)公司(si)生產的(de)(de)“三(san)相(xiang)(xiang)FRED整(zheng)(zheng)(zheng)流橋開(kai)(kai)關(guan)模塊(kuai)(kuai)”(型號為(wei)MFST)的(de)(de)主(zhu)要參數見表1。4結束語2006年常(chang)州瑞(rui)華電(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)子器(qi)(qi)(qi)(qi)(qi)件(jian)有(you)限公司(si)研發成(cheng)功的(de)(de)“三(san)相(xiang)(xiang)整(zheng)(zheng)(zheng)流二極(ji)管(guan)(guan)(guan)整(zheng)(zheng)(zheng)流橋開(kai)(kai)關(guan)模塊(kuai)(kuai)”(型號為(wei)MDST)是由六個(ge)平(ping)常(chang)整(zheng)(zheng)(zheng)流二極(ji)管(guan)(guan)(guan)和(he)一(yi)個(ge)晶(jing)(jing)閘管(guan)(guan)(guan)構成(cheng)，其內部電(dian)(dian)(dian)(dian)連接(jie)原(yuan)理(li)圖如(ru)圖1所(suo)示，它已普遍用以(yi)VVVT、SMPS、UPS、逆變(bian)(bian)焊機(ji)以(yi)及伺服電(dian)(dian)(dian)(dian)機(ji)驅動放大(da)(da)器(qi)(qi)(qi)(qi)(qi)等(deng)具直(zhi)流環(huan)節的(de)(de)變(bian)(bian)頻(pin)設備(bei)(bei)，并已獲(huo)取很大(da)(da)成(cheng)效(xiao)。用超(chao)快恢復二極(ji)管(guan)(guan)(guan)(FRED)替代一(yi)般而(er)言整(zheng)(zheng)(zheng)流管(guan)(guan)(guan)所(suo)組成(cheng)的(de)(de)“三(san)相(xiang)(xiang)FRED整(zheng)(zheng)(zheng)流橋開(kai)(kai)關(guan)模塊(kuai)(kuai)”(型號為(wei)MFST)亦可用于上述(shu)各種電(dian)(dian)(dian)(dian)壓型變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)(qi)，但可大(da)(da)幅度下降(jiang)變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)(qi)噪聲達(da)15dB，這一(yi)效(xiao)應將直(zhi)接(jie)影響(xiang)到變(bian)(bian)頻(pin)器(qi)(qi)(qi)(qi)(qi)的(de)(de)EMI濾波電(dian)(dian)(dian)(dian)路內電(dian)(dian)(dian)(dian)容器(qi)(qi)(qi)(qi)(qi)和(he)電(dian)(dian)(dian)(dian)感器(qi)(qi)(qi)(qi)(qi)的(de)(de)設計，并使(shi)(shi)它們的(de)(de)大(da)(da)小(xiao)縮(suo)小(xiao)，從而(er)下降(jiang)設備(bei)(bei)的(de)(de)成(cheng)本(ben)和(he)縮(suo)小(xiao)設備(bei)(bei)的(de)(de)體積。福建快恢復二極(ji)管(guan)(guan)(guan)MUR1060CTR

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