500Vdc）比(bi)较大(da)(da)(da)容抗10pf使(shi)用(yong)温度(du)范(fan)围(wei)-30℃~+75℃电(dian)(dian)(dian)(dian)(dian)网频(pin)率47-63Hz㈥不(bu)同电(dian)(dian)(dian)(dian)(dian)流(liu)等级(ji)的(de)(de)(de)(de)固体(ti)继(ji)电(dian)(dian)(dian)(dian)(dian)器的(de)(de)(de)(de)外形(xing)㈦LSR的(de)(de)(de)(de)输(shu)入驱(qu)(qu)动电(dian)(dian)(dian)(dian)(dian)路(lu)在逻辑电(dian)(dian)(dian)(dian)(dian)路(lu)驱(qu)(qu)动时应尽(jin)可(ke)能采用(yong)低(di)电(dian)(dian)(dian)(dian)(dian)平输(shu)出(chu)进行驱(qu)(qu)动，以(yi)保(bao)证(zheng)有足够(gou)的(de)(de)(de)(de)带负(fu)载能力和(he)尽(jin)可(ke)能低(di)的(de)(de)(de)(de)零(ling)电(dian)(dian)(dian)(dian)(dian)平。下图(tu)为(wei)正确(que)的(de)(de)(de)(de)灌(guan)电(dian)(dian)(dian)(dian)(dian)流(liu)驱(qu)(qu)动的(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)路(lu)图(tu)（一般(ban)适合(he)于D3、D2型(xing)）：D1型(xing)（4-8Vdc）通(tong)常与单相或三(san)相LSR移相触(chu)发器配(pei)合(he)使(shi)用(yong)。A3型(xing)（90-430Vac）为(wei)交(jiao)流(liu)控制交(jiao)流(liu)型(xing)，在90-430Vac极宽的(de)(de)(de)(de)范(fan)围(wei)内均能可(ke)靠触(chu)发继(ji)电(dian)(dian)(dian)(dian)(dian)器导(dao)通(tong)，且(qie)输(shu)入与输(shu)出(chu)没有相位要求：㈧LSR过(guo)压(ya)的(de)(de)(de)(de)保(bao)护：除LSR内部本(ben)身有RC吸收(shou)(shou)回路(lu)保(bao)护外，还可(ke)以(yi)采取(qu)并联金属氧化物压(ya)敏(min)电(dian)(dian)(dian)(dian)(dian)阻(zu)（MOV），MOV面积大(da)(da)(da)小决(jue)(jue)定吸收(shou)(shou)功(gong)(gong)率，MOV的(de)(de)(de)(de)厚度(du)决(jue)(jue)定保(bao)护电(dian)(dian)(dian)(dian)(dian)压(ya)值。一般(ban)220V系列LSR可(ke)选取(qu)500V-600V的(de)(de)(de)(de)压(ya)敏(min)电(dian)(dian)(dian)(dian)(dian)阻(zu)，380V系列SSR可(ke)选取(qu)800V-900V的(de)(de)(de)(de)压(ya)敏(min)电(dian)(dian)(dian)(dian)(dian)阻(zu)，480V系列SSR可(ke)选取(qu)1000V-1100V的(de)(de)(de)(de)压(ya)敏(min)电(dian)(dian)(dian)(dian)(dian)阻(zu)。㈨LSR的(de)(de)(de)(de)功(gong)(gong)率扩展：本(ben)公(gong)司(si)生(sheng)产的(de)(de)(de)(de)2A、8A无(wu)RC吸收(shou)(shou)回路(lu)的(de)(de)(de)(de)LSR可(ke)用(yong)于任何大(da)(da)(da)电(dian)(dian)(dian)(dian)(dian)流(liu)等级(ji)的(de)(de)(de)(de)可(ke)控硅(gui)触(chu)发，功(gong)(gong)率扩展后仍具有过(guo)零(ling)特(te)性或随机特(te)性。功(gong)(gong)率扩展LSR的(de)(de)(de)(de)型(xing)号为(wei)：LSR-3P02E（D3/D2/D1/A3），LSR-3P08E（D3/D2/D1/A3）。正高电(dian)(dian)(dian)(dian)(dian)气以(yi)质量为(wei)生(sheng)命”保(bao)障(zhang)产品(pin)品(pin)质。大(da)(da)(da)连稳流(liu)稳压(ya)模块报价

晶闸管(guan)模块的(de)工作(zuo)条件：

1.当晶(jing)闸管(guan)(guan)模块承受(shou)正向阳(yang)极电压时(shi)，只有(you)在(zai)门级承受(shou)正向电压时(shi)，晶(jing)闸管(guan)(guan)才(cai)打开。此时(shi)，晶(jing)闸管(guan)(guan)处于正导通状态，这就是晶(jing)闸管(guan)(guan)的(de)晶(jing)闸管(guan)(guan)特(te)性，即可控特(te)性。

2.晶(jing)闸管(guan)模块开着时，只(zhi)要(yao)有一定的正(zheng)极(ji)电压，不管(guan)门级(ji)(ji)电压是(shi)多少，晶(jing)闸管(guan)都继续工作(zuo)，即晶(jing)闸管(guan)接通后，门级(ji)(ji)就失去了功能(neng)。门级(ji)(ji)只(zhi)会(hui)起(qi)到(dao)触发的作(zuo)用。

3.当主电(dian)(dian)路电(dian)(dian)压(ya)（或电(dian)(dian)流(liu)）降至接近零(ling)时，当主电(dian)(dian)路电(dian)(dian)压(ya)（或电(dian)(dian)流(liu)）降为(wei)零(ling)时，晶闸管模块被(bei)关(guan)闭。

4.当晶闸(zha)管(guan)模块承受(shou)反向(xiang)阳极电(dian)(dian)压(ya)时(shi)，无论门级承受(shou)何种电(dian)(dian)压(ya)，晶闸(zha)管(guan)都处于反向(xiang)闭锁状(zhuang)态。在中频炉中整(zheng)流侧(ce)关(guan)断时(shi)间(jian)采(cai)用KP-60微秒以(yi)内，逆变(bian)侧(ce)关(guan)短时(shi)间(jian)采(cai)用KK-30微秒以(yi)内。四川(chuan)双向(xiang)晶闸(zha)管(guan)模块正高电(dian)(dian)气公司在多年积(ji)累的客户(hu)好口碑下，不但在产品规格配套方(fang)面占据优势。

产(chan)生足够大(da)的(de)(de)(de)(de)(de)极电(dian)(dian)(dian)(dian)(dian)(dian)(dian)极电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)Ic2流(liu)(liu)(liu)(liu)过PNP管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)发(fa)(fa)射结(jie)，并提(ti)高了PNP管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)放大(da)系数a1,产(chan)生更大(da)的(de)(de)(de)(de)(de)极电(dian)(dian)(dian)(dian)(dian)(dian)(dian)极电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)Ic1流(liu)(liu)(liu)(liu)经NPN管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)发(fa)(fa)射结(jie)。这样强烈的(de)(de)(de)(de)(de)正反馈过程迅(xun)速(su)进行。从图(tu)3，当a1和a2随发(fa)(fa)射极电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)增加而(er)（a1+a2）≈1时，式(shi)（1—1）中的(de)(de)(de)(de)(de)分母1-（a1+a2）≈0,因此提(ti)高了晶(jing)(jing)(jing)闸(zha)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)阳(yang)(yang)极电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)Ia.这时，流(liu)(liu)(liu)(liu)过晶(jing)(jing)(jing)闸(zha)管(guan)(guan)(guan)(guan)(guan)(guan)的(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)完全由主回路(lu)的(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压和回路(lu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻决定。晶(jing)(jing)(jing)闸(zha)管(guan)(guan)(guan)(guan)(guan)(guan)已(yi)处(chu)于正向(xiang)(xiang)(xiang)(xiang)导通(tong)状态(tai)。式(shi)（1—1）中，在晶(jing)(jing)(jing)闸(zha)管(guan)(guan)(guan)(guan)(guan)(guan)导通(tong)后，1-（a1+a2）≈0,即使(shi)此时门(men)极电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)Ig=0,晶(jing)(jing)(jing)闸(zha)管(guan)(guan)(guan)(guan)(guan)(guan)仍(reng)能(neng)保持原来的(de)(de)(de)(de)(de)阳(yang)(yang)极电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)Ia而(er)继续(xu)导通(tong)。晶(jing)(jing)(jing)闸(zha)管(guan)(guan)(guan)(guan)(guan)(guan)在导通(tong)后，门(men)极已(yi)失(shi)去作(zuo)用。在晶(jing)(jing)(jing)闸(zha)管(guan)(guan)(guan)(guan)(guan)(guan)导通(tong)后，如果不(bu)断(duan)的(de)(de)(de)(de)(de)减(jian)小(xiao)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)源电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压或(huo)增大(da)回路(lu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻，使(shi)阳(yang)(yang)极电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)Ia减(jian)小(xiao)到维持电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)IH以下时，由于a1和a1迅(xun)速(su)下降，当1-（a1+a2）≈0时，晶(jing)(jing)(jing)闸(zha)管(guan)(guan)(guan)(guan)(guan)(guan)恢复阻断(duan)状态(tai)。可(ke)关断(duan)晶(jing)(jing)(jing)闸(zha)管(guan)(guan)(guan)(guan)(guan)(guan)GTO（GateTurn-OffThyristor）亦(yi)称门(men)控晶(jing)(jing)(jing)闸(zha)管(guan)(guan)(guan)(guan)(guan)(guan)。其主要特点(dian)为，当门(men)极加负向(xiang)(xiang)(xiang)(xiang)触发(fa)(fa)信号(hao)(hao)时晶(jing)(jing)(jing)闸(zha)管(guan)(guan)(guan)(guan)(guan)(guan)能(neng)自行关断(duan)。前(qian)已(yi)述及，普通(tong)晶(jing)(jing)(jing)闸(zha)管(guan)(guan)(guan)(guan)(guan)(guan)（SCR）靠门(men)极正信号(hao)(hao)触发(fa)(fa)之(zhi)后，撤掉信号(hao)(hao)亦(yi)能(neng)维持通(tong)态(tai)。欲使(shi)之(zhi)关断(duan)，必须切(qie)断(duan)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)源，使(shi)正向(xiang)(xiang)(xiang)(xiang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)低(di)于维持电(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)IH，或(huo)施以反向(xiang)(xiang)(xiang)(xiang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)压强近关断(duan)。这就需(xu)要增加换向(xiang)(xiang)(xiang)(xiang)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)。不(bu)仅(jin)使(shi)设备的(de)(de)(de)(de)(de)体(ti)积重量增大(da)，而(er)且会(hui)降低(di)效(xiao)率，产(chan)生波形(xing)失(shi)真和噪声。可(ke)关断(duan)晶(jing)(jing)(jing)闸(zha)管(guan)(guan)(guan)(guan)(guan)(guan)克服了上述缺点(dian)。

漏电(dian)(dian)(dian)流(liu)(liu)：指加一半标称(cheng)直(zhi)流(liu)(liu)电(dian)(dian)(dian)压(ya)(ya)时(shi)测得的(de)(de)(de)流(liu)(liu)过(guo)(guo)压(ya)(ya)敏电(dian)(dian)(dian)阻的(de)(de)(de)电(dian)(dian)(dian)流(liu)(liu)。由于(yu)(yu)压(ya)(ya)敏电(dian)(dian)(dian)阻的(de)(de)(de)通(tong)流(liu)(liu)容量(liang)大，残压(ya)(ya)低，过(guo)(guo)电(dian)(dian)(dian)压(ya)(ya)能(neng)力强；平时(shi)漏电(dian)(dian)(dian)流(liu)(liu)小，放(fang)电(dian)(dian)(dian)后不会有续(xu)流(liu)(liu)，元件(jian)的(de)(de)(de)标称(cheng)电(dian)(dian)(dian)压(ya)(ya)等(deng)级多，便于(yu)(yu)用(yong)(yong)(yong)户选择；伏安特(te)性(xing)(xing)是对称(cheng)的(de)(de)(de)，可用(yong)(yong)(yong)于(yu)(yu)交(jiao)、直(zhi)流(liu)(liu)或正负浪涌；因此用(yong)(yong)(yong)途(tu)较广。2、过(guo)(guo)电(dian)(dian)(dian)流(liu)(liu)保(bao)护(hu)(hu)由于(yu)(yu)半导体器(qi)件(jian)体积小、热容量(liang)小，特(te)别像晶(jing)闸(zha)(zha)管(guan)这类高电(dian)(dian)(dian)压(ya)(ya)大电(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)功率器(qi)件(jian)，结(jie)(jie)温必(bi)须(xu)受到严(yan)格的(de)(de)(de)控制(zhi)，否则将(jiang)遭至彻底损坏(huai)。当(dang)晶(jing)闸(zha)(zha)管(guan)中流(liu)(liu)过(guo)(guo)大于(yu)(yu)额(e)定值(zhi)的(de)(de)(de)电(dian)(dian)(dian)流(liu)(liu)时(shi)，热量(liang)来(lai)(lai)不及散发，使得结(jie)(jie)温迅速升高，最(zui)终将(jiang)导致结(jie)(jie)层(ceng)被烧(shao)坏(huai)。产(chan)生过(guo)(guo)电(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)原因是多种多样的(de)(de)(de)，例如(ru)，变(bian)流(liu)(liu)装置本身晶(jing)闸(zha)(zha)管(guan)损坏(huai)，触发电(dian)(dian)(dian)路发生故(gu)(gu)障，控制(zhi)系统发生故(gu)(gu)障等(deng)，以(yi)及交(jiao)流(liu)(liu)电(dian)(dian)(dian)源电(dian)(dian)(dian)压(ya)(ya)过(guo)(guo)高、过(guo)(guo)低或缺相(xiang)(xiang)，负载过(guo)(guo)载或短(duan)路，相(xiang)(xiang)邻设备故(gu)(gu)障影响等(deng)。晶(jing)闸(zha)(zha)管(guan)过(guo)(guo)电(dian)(dian)(dian)流(liu)(liu)保(bao)护(hu)(hu)方法最(zui)常用(yong)(yong)(yong)的(de)(de)(de)是快速熔(rong)断(duan)(duan)器(qi)。由于(yu)(yu)普通(tong)熔(rong)断(duan)(duan)器(qi)的(de)(de)(de)熔(rong)断(duan)(duan)特(te)性(xing)(xing)动(dong)作太慢，在熔(rong)断(duan)(duan)器(qi)尚未熔(rong)断(duan)(duan)之前晶(jing)闸(zha)(zha)管(guan)已被烧(shao)坏(huai)；所(suo)以(yi)不能(neng)用(yong)(yong)(yong)来(lai)(lai)保(bao)护(hu)(hu)晶(jing)闸(zha)(zha)管(guan)。正高电(dian)(dian)(dian)气秉承团结(jie)(jie)、奋进、创新、务实的(de)(de)(de)精神，诚实守信，厚德载物。

晶(jing)闸管模块电流规格的选取

1、根(gen)据(ju)负载(zai)性质(zhi)及负载(zai)额(e)定(ding)电流进行选取

（1）电(dian)阻负载(zai)的较(jiao)大电(dian)流应是负载(zai)额定电(dian)流的2倍。

（2）感(gan)性(xing)负载(zai)的较大(da)电流应为额定负载(zai)电流的3倍。

（3）负载(zai)电流(liu)变化较大(da)(da)时，电流(liu)倍(bei)数适当增大(da)(da)。

（4）在运行过(guo)程中，负载的实(shi)际工(gong)作电(dian)流不应超过(guo)模(mo)块(kuai)的较大电(dian)流。

2、散热器(qi)风机的选用(yong)

模块正常工作时(shi)必须(xu)配备散热(re)器(qi)和风机，推荐采(cai)用(yong)厂(chang)家配套的(de)散热(re)器(qi)和风机。如果用(yong)户是自(zi)己提供的(de)，则使用(yong)以下(xia)原则来选择：

（1）模(mo)块正常工作时，必须(xu)能保证冷却底板(ban)温(wen)度不(bu)超过75℃；

（2）当模(mo)块负载较轻(qing)时(shi)，可减小散热器的尺寸(cun)或采用(yong)自然冷却；

（3） 有水冷(leng)条件(jian)的(de)，应优先水冷(leng)散热 。

3、使用要求

（1）工作场所环(huan)境(jing)温度范围：-25℃～+45℃；

（2）模(mo)块(kuai)周围需要干燥、通风、远离热源、无尘(chen)、无腐蚀(shi)性液体或气体。

（3）模块电极上的铜线严禁不用端子直接压接，以免接触不良引起附加发热。

（4）应经常测(ce)量(liang)固(gu)体(ti)继(ji)电器导热(re)衬底侧(ce)或(huo)固(gu)态继(ji)电器附近散热(re)器的(de)表(biao)面温(wen)度，测(ce)点(dian)温(wen)度应小于80℃。正高(gao)电气与广大客(ke)户携手(shou)并进(jin)，共创辉煌(huang)！大连稳(wen)(wen)流稳(wen)(wen)压(ya)模(mo)块报(bao)价

正高(gao)电气讲诚(cheng)信，重(zhong)信誉，多面整合市(shi)场推广。大连稳流(liu)稳压模块报价

晶闸管模块

晶闸管模块(kuai)因(yin)其体(ti)积(ji)小、重量(liang)轻(qing)、结构(gou)紧凑(cou)、可靠性高、外部接线简单、互换性好、维护安(an)装(zhuang)方便(bian)等优点，自诞生以来就受到(dao)各大功率半(ban)导体(ti)制造商的(de)青睐，并得(de)到(dao)了极大的(de)发展。

晶闸管模(mo)块(kuai)一(yi)(yi)般(ban)对(dui)错正弦电流(liu)有疑(yi)问(wen)，存(cun)在导(dao)通角，负(fu)载电流(liu)具(ju)有一(yi)(yi)定(ding)的波动和不稳(wen)定(ding)因素，晶闸管模(mo)块(kuai)芯(xin)片抗电流(liu)冲(chong)击能力差(cha)，因此在选择模(mo)块(kuai)的电流(liu)标准时一(yi)(yi)定(ding)要留出一(yi)(yi)定(ding)的余量。

模(mo)块冷(leng)(leng)却状态的(de)(de)好坏直接关系到(dao)产品(pin)的(de)(de)使用寿(shou)命和(he)短期过(guo)载能力。温度越低，模(mo)块输出电流越大。因此，在运(yun)行(xing)中必须配备散热(re)器(qi)和(he)风(feng)扇。建议(yi)选择具(ju)有(you)(you)过(guo)热(re)维护功(gong)能的(de)(de)商(shang)品(pin)，有(you)(you)水冷(leng)(leng)条(tiao)件的(de)(de)优先采用水冷(leng)(leng)冷(leng)(leng)却。大连稳流稳压模(mo)块报价

淄博(bo)正高电(dian)气(qi)有(you)(you)限公(gong)(gong)司(si)是一家有(you)(you)着雄厚(hou)实力背(bei)景、信誉可靠、励(li)精图(tu)治、展望(wang)未(wei)来(lai)(lai)、有(you)(you)梦想(xiang)有(you)(you)目标，有(you)(you)组织(zhi)有(you)(you)体系的(de)(de)(de)(de)(de)公(gong)(gong)司(si)，坚持于带领(ling)(ling)员工在未(wei)来(lai)(lai)的(de)(de)(de)(de)(de)道路上大(da)放光明，携手(shou)共画蓝图(tu)，在山东(dong)省等地区的(de)(de)(de)(de)(de)电(dian)子(zi)元(yuan)器件行(xing)业(ye)(ye)中积(ji)累了大(da)批(pi)忠诚的(de)(de)(de)(de)(de)客户粉丝源，也(ye)收获了良好的(de)(de)(de)(de)(de)用户口碑(bei)，为(wei)(wei)公(gong)(gong)司(si)的(de)(de)(de)(de)(de)发(fa)展奠定的(de)(de)(de)(de)(de)良好的(de)(de)(de)(de)(de)行(xing)业(ye)(ye)基础，也(ye)希望(wang)未(wei)来(lai)(lai)公(gong)(gong)司(si)能成为(wei)(wei)行(xing)业(ye)(ye)的(de)(de)(de)(de)(de)翘楚，努力为(wei)(wei)行(xing)业(ye)(ye)领(ling)(ling)域的(de)(de)(de)(de)(de)发(fa)展奉献出自己的(de)(de)(de)(de)(de)一份力量，我们(men)相信精益求精的(de)(de)(de)(de)(de)工作态(tai)度和不断的(de)(de)(de)(de)(de)完(wan)善创(chuang)新(xin)理念以及自强不息，斗志(zhi)昂扬的(de)(de)(de)(de)(de)的(de)(de)(de)(de)(de)企(qi)业(ye)(ye)精神(shen)将(jiang)引领(ling)(ling)淄博(bo)正高电(dian)气(qi)供应(ying)和您一起携手(shou)步入辉(hui)煌，共创(chuang)佳绩，一直以来(lai)(lai)，公(gong)(gong)司(si)贯彻执行(xing)科(ke)学管理、创(chuang)新(xin)发(fa)展、诚实守(shou)信的(de)(de)(de)(de)(de)方针，员工精诚努力，协同奋取(qu)，以品质、服务来(lai)(lai)赢(ying)得市场，我们(men)一直在路上！

本文来自海润达物(wu)联(lian)科技有限责任公司(si)：//qfd1mz.cn/Article/68b6699865.html