对于刚介入使用(yong)稳定电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)可调(diao)电(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的操作(zuo)(zuo)人(ren)员,由(you)于对电(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的基本概念缺乏实质性(xing)的理解如恒压(ya)(ya)(ya)(ya)、恒流(liu)、欧姆定律、电(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的主(zhu)体结构等(deng)(deng)。 以下分(fen)三(san)个方面来分(fen)析：1.电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)可调(diao)电(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)有(you)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)而无电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)、或者(zhe)有(you)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)而无电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya).无论是上述(shu)那一(yi)种(zhong)情况(kuang),电(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)都巳(si)正常工作(zuo)(zuo),操作(zuo)(zuo)者(zhe)都应该检查自己的负载(zai)是否接触良(liang)好,负载(zai)是否被短路或开路、负载(zai)是否符合规范等(deng)(deng)等(deng)(deng).2.在调(diao)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)可调(diao)电(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)时(shi),空载(zai)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)调(diao)不(bu)上去.有(you)些操作(zuo)(zuo)者(zhe)喜欢把电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)调(diao)节电(dian)(dian)(dian)(dian)(dian)(dian)位器左旋...

一(yi)、合(he)闸(zha)后操作(zuo)(zuo)手柄反弹不(bu)(bu)(bu)到(dao)位(wei) 阻(zu)(zu)隔开关(guan)和熔断器式(shi)阻(zu)(zu)隔开关(guan)合(he)闸(zha)后操作(zuo)(zuo)手柄反弹不(bu)(bu)(bu)到(dao)位(wei)首要(yao)原因是(shi)：阻(zu)(zu)隔开关(guan)手柄操作(zuo)(zuo)联杆(gan)行程(cheng)调整(zheng)不(bu)(bu)(bu)合(he)适或静、动(dong)触(chu)(chu)(chu)(chu)头(tou)合(he)闸(zha)时(shi)有卡(ka)阻(zu)(zu)景象(xiang)所(suo)造(zao)成的。 处理办法：调整(zheng)操作(zuo)(zuo)联杆(gan)螺(luo)丝使其(qi)长度与(yu)合(he)闸(zha)方位(wei)相符，处理静、动(dong)触(chu)(chu)(chu)(chu)头(tou)卡(ka)阻(zu)(zu)毛病(bing)。 二、接点打火或触(chu)(chu)(chu)(chu)头(tou)过热 阻(zu)(zu)隔开关(guan)或熔断器式(shi)阻(zu)(zu)隔开关(guan)触(chu)(chu)(chu)(chu)点打火首要(yao)是(shi)接点触(chu)(chu)(chu)(chu)摸(mo)不(bu)(bu)(bu)良、触(chu)(chu)(chu)(chu)摸(mo)电(dian)阻(zu)(zu)大(da)所(suo)造(zao)成的，触(chu)(chu)(chu)(chu)头(tou)过热是(shi)静动(dong)触(chu)(chu)(chu)(chu)头(tou)触(chu)(chu)(chu)(chu)摸(mo)不(bu)(bu)(bu)良（触(chu)(chu)(chu)(chu)摸(mo)面积...

艾(ai)德杰为(wei)(wei)您介(jie)绍恒(heng)流(liu)(liu)(liu)源电(dian)(dian)源的工(gong)(gong)作原(yuan)理。 基本的恒(heng)流(liu)(liu)(liu)源电(dian)(dian)路(lu)主要是由(you)输(shu)(shu)(shu)(shu)入级(ji)(ji)(ji)和输(shu)(shu)(shu)(shu)出(chu)(chu)(chu)级(ji)(ji)(ji)构成(cheng)(cheng)，输(shu)(shu)(shu)(shu)入级(ji)(ji)(ji)提(ti)供(gong)参考电(dian)(dian)流(liu)(liu)(liu)，输(shu)(shu)(shu)(shu)出(chu)(chu)(chu)级(ji)(ji)(ji)输(shu)(shu)(shu)(shu)出(chu)(chu)(chu)需要的恒(heng)定电(dian)(dian)流(liu)(liu)(liu)。 一、构成(cheng)(cheng)恒(heng)流(liu)(liu)(liu)源电(dian)(dian)路(lu)的基本原(yuan)则： 恒(heng)流(liu)(liu)(liu)源电(dian)(dian)路(lu)就是要能够提(ti)供(gong)一个稳定的电(dian)(dian)流(liu)(liu)(liu)以(yi)保证其它电(dian)(dian)路(lu)稳定工(gong)(gong)作的基础(chu)。即要求恒(heng)流(liu)(liu)(liu)源电(dian)(dian)路(lu)输(shu)(shu)(shu)(shu)出(chu)(chu)(chu)恒(heng)定电(dian)(dian)流(liu)(liu)(liu)，因此作为(wei)(wei)输(shu)(shu)(shu)(shu)出(chu)(chu)(chu)级(ji)(ji)(ji)的器件应(ying)该(gai)是具有(you)饱和输(shu)(shu)(shu)(shu)出(chu)(chu)(chu)电(dian)(dian)流(liu)(liu)(liu)的伏安特性。这可以(yi)采用工(gong)(gong)作于输(shu)(shu)(shu)(shu)出(chu)(chu)(chu)电(dian)(dian)流(liu)(liu)(liu)饱和状态的BJT 或者(zhe)MOSFET来实现。 为(wei)(wei)了(le)保证输(shu)(shu)(shu)(shu)出(chu)(chu)(chu)晶体管...

雷击(ji)浪(lang)涌(yong)(yong)抗扰(rao)度试验(yan)等级(ji)(ji)的(de)(de)严酷度等级(ji)(ji)分(fen)为(wei)1、2、3、4级(ji)(ji)。电(dian)源(yuan)线差模试验(yan)的(de)(de)1级(ji)(ji)参(can)数(shu)(shu)未给，其余各(ge)级(ji)(ji)分(fen)别为(wei)0.5kV、1kV、2kV及待定(ding)。电(dian)源(yuan)线共模试验(yan)的(de)(de)各(ge)级(ji)(ji)参(can)数(shu)(shu)为(wei)0.5kV、1kV、2kV、4kV及待定(ding)。试验(yan)的(de)(de)严酷度等级(ji)(ji)取决于环境(jing)(遭受浪(lang)涌(yong)(yong)可能性(xing)的(de)(de)环境(jing)及安(an)装条件(jian)，大(da)体分(fen)类如(ru)下(xia)。1级(ji)(ji)：普通的(de)(de)电(dian)磁骚扰(rao)环境(jing)，对(dui)设备未规(gui)定(ding)特殊安(an)装要求，如(ru)普通安(an)装的(de)(de)电(dian)缆网络，工(gong)业性(xing)的(de)(de)工(gong)作场所(suo)和变电(dian)所(suo)。2级(ji)(ji)：有一定(ding)保护的(de)(de)环境(jing)，...

1.数据(ju)错失2.电(dian)路损毁，现(xian)象有：1）飞弧：在(zai)被(bei)损的(de)部(bu)件上(shang)留下(xia)(xia)明显(xian)(xian)的(de)电(dian)弧痕(hen)迹；2）电(dian)晕(yun)：在(zai)绝(jue)缘体表面上(shang)，有明显(xian)(xian)的(de)电(dian)蚀痕(hen)迹，被(bei)蚀部(bu)位(wei)绝(jue)缘下(xia)(xia)降；3）控(kong)制电(dian)路的(de)IC等元(yuan)件损坏；4）一般电(dian)子设(she)备(bei)(bei)、家用电(dian)器的(de)整流(liu)元(yuan)件、稳(wen)压(ya)元(yuan)件损坏；5）接(jie)地故障成(cheng)设(she)备(bei)(bei)带电(dian)（单(dan)相(xiang)接(jie)地）：造成(cheng)设(she)备(bei)(bei)相(xiang)间短(duan)路（电(dian)机(ji)相(xiang)间短(duan)路）3.性能衰退(tui)4.电(dian)池短(duan)命(ming)5.卡(ka)机(ji)重(zhong)启6.屏幕闪抖(dou)7.声(sheng)音噪杂

看电(dian)(dian)压(ya)(ya)(ya)的(de)(de)标(biao)定值(zhi)时一(yi)个固(gu)定的(de)(de)数值(zhi)，则是(shi)(shi)(shi)恒压(ya)(ya)(ya)源(yuan)(yuan)，若(ruo)电(dian)(dian)压(ya)(ya)(ya)的(de)(de)标(biao)定值(zhi)是(shi)(shi)(shi)个范围值(zhi)，则是(shi)(shi)(shi)恒流源(yuan)(yuan)。例如(ru)：有一(yi)个电(dian)(dian)源(yuan)(yuan)它(ta)的(de)(de)输出电(dian)(dian)压(ya)(ya)(ya)是(shi)(shi)(shi)24V，我们(men)则确定这个是(shi)(shi)(shi)恒压(ya)(ya)(ya)电(dian)(dian)源(yuan)(yuan)，如(ru)果它(ta)标(biao)称的(de)(de)是(shi)(shi)(shi)20-50V，那么这个电(dian)(dian)源(yuan)(yuan)一(yi)定是(shi)(shi)(shi)个恒流电(dian)(dian)源(yuan)(yuan)。

恒(heng)流(liu)(liu)开(kai)关电(dian)(dian)源(yuan)(yuan)(yuan)(yuan)是(shi)(shi)在(zai)允许的(de)(de)(de)(de)(de)负(fu)载的(de)(de)(de)(de)(de)情况下，输(shu)(shu)出的(de)(de)(de)(de)(de)电(dian)(dian)流(liu)(liu)不(bu)随负(fu)载的(de)(de)(de)(de)(de)变化(hua)而变化(hua)，是(shi)(shi)恒(heng)定不(bu)变的(de)(de)(de)(de)(de)，恒(heng)压(ya)(ya)(ya)开(kai)关电(dian)(dian)源(yuan)(yuan)(yuan)(yuan)是(shi)(shi)在(zai)允许的(de)(de)(de)(de)(de)负(fu)载的(de)(de)(de)(de)(de)情况下，输(shu)(shu)出的(de)(de)(de)(de)(de)电(dian)(dian)压(ya)(ya)(ya)不(bu)随负(fu)载的(de)(de)(de)(de)(de)变化(hua)而变化(hua)，是(shi)(shi)恒(heng)定不(bu)变的(de)(de)(de)(de)(de)。一般的(de)(de)(de)(de)(de)大功率产品用(yong)(yong)的(de)(de)(de)(de)(de)都(dou)是(shi)(shi)恒(heng)流(liu)(liu)源(yuan)(yuan)(yuan)(yuan)，小功率产品用(yong)(yong)的(de)(de)(de)(de)(de)都(dou)是(shi)(shi)恒(heng)压(ya)(ya)(ya)源(yuan)(yuan)(yuan)(yuan)。市(shi)面上绝(jue)大多数的(de)(de)(de)(de)(de)开(kai)关电(dian)(dian)源(yuan)(yuan)(yuan)(yuan)都(dou)是(shi)(shi)恒(heng)压(ya)(ya)(ya)源(yuan)(yuan)(yuan)(yuan)，只(zhi)有少部(bu)分(fen)的(de)(de)(de)(de)(de)是(shi)(shi)恒(heng)流(liu)(liu)源(yuan)(yuan)(yuan)(yuan)，恒(heng)流(liu)(liu)源(yuan)(yuan)(yuan)(yuan)比恒(heng)压(ya)(ya)(ya)源(yuan)(yuan)(yuan)(yuan)复杂，可以(yi)说是(shi)(shi)在(zai)恒(heng)压(ya)(ya)(ya)源(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)(de)(de)内部(bu)电(dian)(dian)路(lu)上增加(jia)取样电(dian)(dian)阻，通过电(dian)(dian)路(lu)来(lai)(lai)保证这个取样电(dian)(dian)阻上的(de)(de)(de)(de)(de)压(ya)(ya)(ya)降不(bu)变，来(lai)(lai)实现(xian)恒(heng)流(liu)(liu)输(shu)(shu)出的(de)(de)(de)(de)(de)。...