JU20010WA000JU20010WA000吴经理电话:132.4667.5433工作Q:1139878854地址：深圳市南山区南海大道4050号JU系列单相晶闸管调***U10010AN000JU10010WA000JU10010WN000JU10010NN000JU20400WA000JU10010CN000JU20200WA000JU系列单相晶闸管调整器是小形、轻量、可高密度安装的单相晶闸管调整器。控制方式有相位控制和过零触发的分频控制2种方式。可以根据外部接点的控制方式进行切换。相位控制方式备有电压、电流、功率反馈和无反馈型。加热器断线报警、电流限制等选件功能非常丰富。特点：简洁一体的外形构造狭窄宽度可进行高密度的安装。充实的选件机能选件配备加热丝断线报警和电流限制功能。可以进行相位/分周控制方式的切换分周控制方式根据変調方式的采用进行每1次循环的控制，可以细致控制高次谐波度。备有设定单元各种设定值和电压、电流、功率的表示，可以变更反馈方式装备多彩的保护机能负荷电路短路时速熔***丝熔断，过电流时触发保护晶闸管素子。风扇冷却装备机种是让散热板温度异常时发出警报，让输出停止。标准配备自我诊断功能能够诊断运行异常，晶闸管素子异常，电源异常。晶闸管是四层三端器件，它有J1、J2、J3三个PN结图1，可以把它中间的NP分成两部分，构成一个PNP型三极管和一个NPN型三极管的复合管当晶闸管承受正向阳极电压时，为使晶闸管导通，必须使承受反向电压的PN结J2失去阻挡作用。因此，两个互相复合的晶体管电路，当有足够的门极电流Ig流入时，就会形成强烈的正反馈，造成两晶体管饱和导通，晶体管饱和导通。设PNP管和NPN管的集电极电流相应为Ic1和Ic2；发射极电流相应为Ia和Ik；电流放大系数相应为a1=Ic1/Ia和a2=Ic2/Ik，设流过J2结的反相漏电电流为Ic0,晶闸管的阳极电流等于两管的集电极电流和漏电流的总和：Ia=Ic1+Ic2+Ic0或Ia=a1Ia+a2Ik+Ic0若门极电流为Ig,则晶闸管阴极电流为Ik=Ia+Ig从而可以得出晶闸管阳极电流为：I=(Ic0+Iga2)/（1-（a1+a2））（1—1）式硅PNP管和硅NPN管相应的电流放大系数a1和a2随其发射极电流的改变而急剧变化如图3所示。当晶闸管承受正向阳极电压，而门极未受电压的情况下，式（1—1）中，Ig=0,(a1+a2)很小，故晶闸管的阳极电流Ia≈Ic0晶闸关处于正向阻断状态。当晶闸管在正向阳极电压下，从门极G流入电流Ig,由于足够大的Ig流经NPN管的发射结，从而提高起点流放大系数a2,产生足够大的极电极电流Ic2流过PNP管的发射结，并提高了PNP管的电流放大系数a1,产生更大的极电极电流Ic1流经NPN管的发射结。这样强烈的正反馈过程迅速进行。从图3，当a1和a2随发射极电流增加而（a1+a2）≈1时，式（1—1）中的分母1-（a1+a2）≈0,因此提高了晶闸管的阳极电流Ia.这时，流过晶闸管的电流完全由主回路的电压和回路电阻决定。晶闸管已处于正向导通状态。JU10010VA000JU10010VN000JU10010AA000JU10010AN000JU10010WA000JU10010WN000JU10010NN000JU20400WA000JU10010CN000JU20200WA000JW20050VA006JW20050VN006JU10010AA000JU10010AN000JU10010WA000、JU10010WN000JU10010NA000、JU10010NN000JU10010CA000、JU10010CN000JU11010VA000、JU12010VA000JU11020VA000、JU10020VA000JU10020CA000、JU20010VA000JU10030VA000、JU10050VA000JU10075VA000、JU10100VA000JU11030VA000、JU20020VA000JU22020VA000、JU24020VA000JU38020VA000、JU40020VA000JU20400WA000、JU22200WA000JU20300WA000、JU12150WA000JU24400WA000、JU38400WA000JU40400WA000、JU44400WA000JU20030WA000、JU20020WA000JU20050WA000、JU20075WA000JU20100WA000、JU20150AA000JU20200NA000、JU20250WA000JU20300WA000、JU20400WA000JU20500WA000、JU20750WA000JU11150CA000、JU22150VA000JU22400VA200JU22300VA200JU22200NA000JU10010VA000、JU10010VN000JU10010AA000、JU10010AN000JU10010WA000、JU10010WN000JU10010NA000、JU10010NN000JU10010CA000、JU10010CN000JU20400WA000、JU20200WA000JW20050VA006、JW20050VN006JW20050AA006、JW20050AN006JW20050WA006、JW20050WN006JW20050NA006、JW20050NN006JW20050ZA006、JW20050ZN006JB-2020JB-2030JB-2040JB-2050JB-2075JB-2100JS-2150VAJT-4030VAJS-2030NAJS-2050NAJS-2050VAJS-2750VAJS-2100VAJS-2100NAJS-4030NAJS-4050WAJS-4050NAJS-4100WAJS-4150WAJS-4200NAJU20010WN000,JU20010WA000,JU20020WN000,JU20020WA000,JU20030WN000,JU20030WA000JU20050WN000,JU20050WA000,JU20075WN000,JU20075WA000,JU20100WN000,JU20100WA000JU20150WN000,JU20150WA000,JU20200WN000,JU20200WA000,JU20250WN000,JU20250WA000JU20300WN000,JU20300WA000,JU20400WN000,JU20400WA000,JU20500WN000,JU20500WA000JU22010WN000,JU22010WA000,JU22020WN000,JU22020WA000,JU22030WN000,JU22030WA000JU22050WN000,JU22050WA000,JU22075WN000,JU22075WA000,JU22100WN000,JU22100WA000JU22150WN000,JU22150WA000,JU22200WN000,JU22200WA000,JU22250WN000,JU22250WA000JU22300WN000,JU22300WA000,JU22400WN000,JU22400WA000,JU22500WN000,JU22500WA000JU38010WN000,JU38010WA000,JU38020WN000,JU38020WA000,JU38030WN000,JU38030WA000JU38050WN000,JU38050WA000,JU38075WN000,JU38075WA000,JU38100WN000,JU38100WA000JU38150WN000,JU38150WA000,JU38200WN000,JU38200WA000,JU38250WN000,JU38250WA000JU38300WN000,JU38300WA000,JU38400WN000,JU38400WA000,JU38500WN000,JU38500WA000JU40010WN000,JU40010WA000,JU40020WN000,JU40020WA000,JU40030WN000,JU40030WA000JU40050WN000,JU40050WA000,JU40075WN000,JU40075WA000,JU40100WN000,JU40100WA000JU40150WN000,JU40150WA000,JU40200WN000,JU40200WA000,JU40250WN000,JU40250WA000JU40300WN000,JU40300WA000,JU40400WN000,JU40400WA000,JU40500WN000,JU40500WA000)