为(wei)(wei)了使计量和(he)保护(hu)设备小型(xing)化，我(wo)们都会(hui)(hui)(hui)使用(yong)(yong)(yong)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)，对于低压系(xi)统常用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)就(jiu)是电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)，所以(yi)接下就(jiu)以(yi)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)来分析同(tong)(tong)(tong)(tong)相的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)三(san)根电(dian)(dian)(dian)(dian)(dian)线(xian)穿入(ru)一(yi)(yi)(yi)个(ge)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)会(hui)(hui)(hui)不(bu)会(hui)(hui)(hui)烧毁(hui)，同(tong)(tong)(tong)(tong)时(shi)分析一(yi)(yi)(yi)下不(bu)同(tong)(tong)(tong)(tong)相的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)三(san)个(ge)相线(xian)同(tong)(tong)(tong)(tong)时(shi)穿入(ru)一(yi)(yi)(yi)个(ge)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)情(qing)况。电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)原理互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)运用(yong)(yong)(yong)了电(dian)(dian)(dian)(dian)(dian)磁。不(bu)同(tong)(tong)(tong)(tong)相的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)三(san)根相线(xian)通(tong)过(guo)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)会(hui)(hui)(hui)怎(zen)么(me)样当我(wo)们现有的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)表(biao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)量程小于实际被(bei)测(ce)电(dian)(dian)(dian)(dian)(dian)路电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)时(shi)，一(yi)(yi)(yi)般会(hui)(hui)(hui)采(cai)用(yong)(yong)(yong)分流(liu)(liu)(liu)(liu)器(qi)(qi)(qi)(qi)(qi)(qi)扩(kuo)大量程或者使用(yong)(yong)(yong)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)测(ce)量大电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)。那么(me)使用(yong)(yong)(yong)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)时(shi)怎(zen)么(me)选(xuan)择(ze)呢？电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)选(xuan)择(ze)额(e)定(ding)变(bian)流(liu)(liu)(liu)(liu)比(bi)(bi)额(e)定(ding)变(bian)流(liu)(liu)(liu)(liu)比(bi)(bi)就(jiu)是一(yi)(yi)(yi)次(ci)(ci)侧与二(er)次(ci)(ci)侧的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)额(e)定(ding)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)比(bi)(bi)，一(yi)(yi)(yi)般用(yong)(yong)(yong)K表(biao)示(shi)，可以(yi)用(yong)(yong)(yong)公式表(biao)示(shi)：使用(yong)(yong)(yong)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)时(shi)怎(zen)么(me)选(xuan)择(ze)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)简单的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)说就(jiu)是通(tong)过(guo)电(dian)(dian)(dian)(dian)(dian)磁感(gan)(gan)(gan)应原理，按(an)照(zhao)一(yi)(yi)(yi)定(ding)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)比(bi)(bi)例把一(yi)(yi)(yi)次(ci)(ci)侧的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)大电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)感(gan)(gan)(gan)应为(wei)(wei)便(bian)于测(ce)量和(he)采(cai)集(ji)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)二(er)次(ci)(ci)侧小电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)一(yi)(yi)(yi)般5A或者1A,低压常用(yong)(yong)(yong)5A，高压系(xi)统会(hui)(hui)(hui)用(yong)(yong)(yong)到1A。600A的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)工(gong)作(zuo)(zuo)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)选(xuan)用(yong)(yong)(yong)多(duo)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)大电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)合适(shi)，我(wo)们要(yao)从互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)作(zuo)(zuo)用(yong)(yong)(yong)上(shang)给出不(bu)同(tong)(tong)(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)建议(yi)：1、计量用(yong)(yong)(yong)：600A工(gong)作(zuo)(zuo)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)用(yong)(yong)(yong)多(duo)大电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)合适(shi)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)极(ji)性(xing)(xing)是指它的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)一(yi)(yi)(yi)次(ci)(ci)绕组(zu)和(he)二(er)次(ci)(ci)绕组(zu)间电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)方向(xiang)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)关系(xi)。按(an)照(zhao)规定(ding)，电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)一(yi)(yi)(yi)次(ci)(ci)绕组(zu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)首端(duan)标为(wei)(wei)P1，尾(wei)端(duan)标为(wei)(wei)P2;二(er)次(ci)(ci)绕组(zu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)首端(duan)标为(wei)(wei)S1，尾(wei)端(duan)标为(wei)(wei)S2。在(zai)接线(xian)中(zhong)，P1和(he)S1为(wei)(wei)同(tong)(tong)(tong)(tong)极(ji)性(xing)(xing)端(duan)，P2和(he)S2为(wei)(wei)同(tong)(tong)(tong)(tong)极(ji)性(xing)(xing)端(duan)。浙江邦凯电(dian)(dian)(dian)(dian)(dian)气科技有限公司互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)设备获得众多(duo)用(yong)(yong)(yong)户的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)认可。江西电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)(qi)(qi)变(bian)比(bi)(bi)

电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)互感(gan)器(qi)接(jie)(jie)线原则及(ji)使(shi)用(yong)注意(yi)事(shi)项(xiang)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)互感(gan)器(qi)的(de)(de)(de)(de)(de)(de)(de)(de)测量(liang)(liang)级和(he)(he)(he)保(bao)(bao)护(hu)(hu)(hu)(hu)级不(bu)能接(jie)(jie)错。由于测量(liang)(liang)和(he)(he)(he)保(bao)(bao)护(hu)(hu)(hu)(hu)绕(rao)组(zu)(zu)铁芯设(she)计(ji)的(de)(de)(de)(de)(de)(de)(de)(de)厚薄不(bu)同，如果接(jie)(jie)错，一是(shi)使(shi)正常运行(xing)中(zhong)测量(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)准(zhun)(zhun)确度降低，使(shi)电(dian)(dian)(dian)(dian)能计(ji)量(liang)(liang)不(bu)准(zhun)(zhun);二(er)(er)是(shi)在(zai)(zai)(zai)发(fa)生短(duan)路(lu)(lu)故障时(shi)，由于计(ji)量(liang)(liang)绕(rao)组(zu)(zu)铁芯设(she)计(ji)时(shi)保(bao)(bao)证(zheng)在(zai)(zai)(zai)短(duan)路(lu)(lu)电(dian)(dian)(dian)(dian)流(liu)超过额定(ding)电(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)(de)(de)(de)(de)(de)一定(ding)倍数(shu)时(shi)铁芯饱和(he)(he)(he)，限制了二(er)(er)次电(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)(de)(de)(de)(de)(de)增(zeng)长，以(yi)保(bao)(bao)护(hu)(hu)(hu)(hu)仪(yi)表。而继(ji)电(dian)(dian)(dian)(dian)保(bao)(bao)护(hu)(hu)(hu)(hu)绕(rao)组(zu)(zu)铁芯不(bu)饱和(he)(he)(he)，二(er)(er)次电(dian)(dian)(dian)(dian)流(liu)随短(duan)路(lu)(lu)电(dian)(dian)(dian)(dian)流(liu)相应(ying)增(zeng)大，以(yi)使(shi)继(ji)电(dian)(dian)(dian)(dian)保(bao)(bao)护(hu)(hu)(hu)(hu)准(zhun)(zhun)确动作。如果接(jie)(jie)错，则继(ji)电(dian)(dian)(dian)(dian)保(bao)(bao)护(hu)(hu)(hu)(hu)动作不(bu)灵敏，电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)互感(gan)器(qi)，计(ji)量(liang)(liang)仪(yi)表可(ke)能烧坏(huai)。电(dian)(dian)(dian)(dian)力变(bian)(bian)(bian)压(ya)(ya)(ya)器(qi)如何进(jin)行(xing)试(shi)验在(zai)(zai)(zai)进(jin)行(xing)电(dian)(dian)(dian)(dian)力变(bian)(bian)(bian)压(ya)(ya)(ya)器(qi)试(shi)验的(de)(de)(de)(de)(de)(de)(de)(de)之(zhi)前(qian)，和(he)(he)(he)柱上高压(ya)(ya)(ya)真空断路(lu)(lu)器(qi)一起先来(lai)看一看变(bian)(bian)(bian)压(ya)(ya)(ya)器(qi)极(ji)性组(zu)(zu)别和(he)(he)(he)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)比试(shi)验的(de)(de)(de)(de)(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)(de)(de)(de)(de)和(he)(he)(he)意(yi)义以(yi)及(ji)其中(zhong)使(shi)用(yong)的(de)(de)(de)(de)(de)(de)(de)(de)方法(fa)。一、变(bian)(bian)(bian)压(ya)(ya)(ya)器(qi)极(ji)性组(zu)(zu)别和(he)(he)(he)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)比试(shi)验的(de)(de)(de)(de)(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)(de)(de)(de)(de)和(he)(he)(he)意(yi)义在(zai)(zai)(zai)变(bian)(bian)(bian)压(ya)(ya)(ya)器(qi)空载运行(xing)的(de)(de)(de)(de)(de)(de)(de)(de)条件下，高压(ya)(ya)(ya)绕(rao)组(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)和(he)(he)(he)低压(ya)(ya)(ya)绕(rao)组(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)之(zhi)比称为变(bian)(bian)(bian)压(ya)(ya)(ya)器(qi)的(de)(de)(de)(de)(de)(de)(de)(de)变(bian)(bian)(bian)压(ya)(ya)(ya)比，电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)比一般按线电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)计(ji)算，空气过滤器(qi)它是(shi)变(bian)(bian)(bian)压(ya)(ya)(ya)器(qi)的(de)(de)(de)(de)(de)(de)(de)(de)一个重要(yao)的(de)(de)(de)(de)(de)(de)(de)(de)性能指标(biao)，测量(liang)(liang)变(bian)(bian)(bian)压(ya)(ya)(ya)器(qi)变(bian)(bian)(bian)比的(de)(de)(de)(de)(de)(de)(de)(de)目(mu)的(de)(de)(de)(de)(de)(de)(de)(de)是(shi)：(1)保(bao)(bao)证(zheng)绕(rao)组(zu)(zu)各个分(fen)接(jie)(jie)的(de)(de)(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)(dian)压(ya)(ya)(ya)比在(zai)(zai)(zai)技术(shu)允许的(de)(de)(de)(de)(de)(de)(de)(de)范围之(zhi)内;(2)检查(cha)绕(rao)组(zu)(zu)匝数(shu)的(de)(de)(de)(de)(de)(de)(de)(de)正确性;(3)判定(ding)绕(rao)组(zu)(zu)各分(fen)接(jie)(jie)的(de)(de)(de)(de)(de)(de)(de)(de)引线和(he)(he)(he)分(fen)接(jie)(jie)开关连接(jie)(jie)是(shi)否(fou)正确。陕西(xi)互感(gan)器(qi)符号互感(gan)器(qi)设(she)备(bei)，就(jiu)选浙(zhe)江邦凯(kai)电(dian)(dian)(dian)(dian)气科技有限公(gong)司，有需求可(ke)以(yi)来(lai)电(dian)(dian)(dian)(dian)咨(zi)询(xun)！

由基尔霍夫电(dian)(dian)流(liu)(liu)(liu)(liu)(liu)定(ding)律可知:ΣI=IL1+IL2+IL3+ILn=0此(ci)时的(de)各相线(xian)工作(zuo)(zuo)电(dian)(dian)流(liu)(liu)(liu)(liu)(liu)在电(dian)(dian)流(liu)(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)感(gan)(gan)器(qi)(qi)环形(xing)铁心中所(suo)产生的(de)磁通量(liang)Φ之和(he)也为(wei)零(ling)(ling)，即φL1+φL2+φL3+φLn=0当有人触电(dian)(dian)或(huo)出现其(qi)他接(jie)(jie)地(di)漏电(dian)(dian)故障时，由于(yu)(yu)漏电(dian)(dian)流(liu)(liu)(liu)(liu)(liu)的(de)存在，使得通过电(dian)(dian)流(liu)(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)感(gan)(gan)器(qi)(qi)一(yi)(yi)(yi)(yi)次侧的(de)各相负(fu)荷电(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(包括中性(xing)线(xian)电(dian)(dian)流(liu)(liu)(liu)(liu)(liu))的(de)相量(liang)和(he)不(bu)(bu)再为(wei)零(ling)(ling)，即此(ci)时ΣI=IL1+IL2+IL3+ILn≠0从而，剩(sheng)余(yu)电(dian)(dian)流(liu)(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)感(gan)(gan)器(qi)(qi)的(de)磁通也不(bu)(bu)等(deng)于(yu)(yu)≠0，这个(ge)信(xin)号送给电(dian)(dian)子电(dian)(dian)路进(jin)行比(bi)较(jiao)及信(xin)号处理(li)，根据人们预置(zhi)的(de)安(an)全剩(sheng)余(yu)电(dian)(dian)流(liu)(liu)(liu)(liu)(liu)比(bi)较(jiao)，发出指令，由脱扣器(qi)(qi)进(jin)行执行。零(ling)(ling)序电(dian)(dian)流(liu)(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)感(gan)(gan)器(qi)(qi)与剩(sheng)余(yu)电(dian)(dian)流(liu)(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)感(gan)(gan)器(qi)(qi)工作(zuo)(zuo)原理(li)一(yi)(yi)(yi)(yi)样的(de)，接(jie)(jie)线(xian)时的(de)相线(xian)和(he)工作(zuo)(zuo)零(ling)(ling)线(xian)必须穿过零(ling)(ling)序互(hu)(hu)(hu)(hu)感(gan)(gan)器(qi)(qi)中心孔。它(ta)的(de)控(kong)(kong)制不(bu)(bu)经(jing)过精明电(dian)(dian)子装(zhuang)置(zhi)，直接(jie)(jie)给简单的(de)电(dian)(dian)子元器(qi)(qi)件及继电(dian)(dian)器(qi)(qi)信(xin)号来驱(qu)动，它(ta)是(shi)电(dian)(dian)力系统中的(de)一(yi)(yi)(yi)(yi)种(zhong)(zhong)(zhong)保护装(zhuang)置(zhi)，控(kong)(kong)制漏电(dian)(dian)电(dian)(dian)流(liu)(liu)(liu)(liu)(liu)值不(bu)(bu)是(shi)那么小。它(ta)的(de)工作(zuo)(zuo)原理(li)这里就不(bu)(bu)说了(le)。有的(de)互(hu)(hu)(hu)(hu)感(gan)(gan)器(qi)(qi)只(zhi)过火线(xian)，它(ta)是(shi)交流(liu)(liu)(liu)(liu)(liu)供电(dian)(dian)系统中的(de)一(yi)(yi)(yi)(yi)种(zhong)(zhong)(zhong)扩(kuo)大量(liang)程的(de)电(dian)(dian)流(liu)(liu)(liu)(liu)(liu)互(hu)(hu)(hu)(hu)感(gan)(gan)器(qi)(qi)，其(qi)内部结构与上(shang)述的(de)两(liang)种(zhong)(zhong)(zhong)不(bu)(bu)同，是(shi)用硅钢(gang)片叠成(cheng)圆(yuan)圈，在它(ta)上(shang)面用高度的(de)漆包线(xian)绕(rao)制的(de)。它(ta)有一(yi)(yi)(yi)(yi)个(ge)特点，就是(shi)供电(dian)(dian)线(xian)路中只(zhi)能够(gou)穿一(yi)(yi)(yi)(yi)根火线(xian)过去，而不(bu)(bu)会(hui)穿两(liang)根导线(xian)或(huo)者(zhe)零(ling)(ling)线(xian)一(yi)(yi)(yi)(yi)起(qi)穿过。

电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互感(gan)器(qi)(qi)(qi)退(tui)(tui)(tui)磁(ci)(ci)(ci)(ci)(ci)检查电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互感(gan)器(qi)(qi)(qi)在电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)突(tu)然(ran)下(xia)降(jiang)的情况下(xia)，互感(gan)器(qi)(qi)(qi)铁(tie)(tie)(tie)芯(xin)(xin)可(ke)能(neng)产(chan)生(sheng)剩(sheng)磁(ci)(ci)(ci)(ci)(ci)。如(ru)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互感(gan)器(qi)(qi)(qi)在大电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)情况下(xia)突(tu)然(ran)切断电(dian)(dian)(dian)(dian)源(yuan)(yuan)、二(er)次(ci)(ci)(ci)绕(rao)(rao)(rao)组(zu)(zu)(zu)(zu)突(tu)然(ran)开路(lu)等。互感(gan)器(qi)(qi)(qi)铁(tie)(tie)(tie)芯(xin)(xin)有(you)剩(sheng)磁(ci)(ci)(ci)(ci)(ci)，使铁(tie)(tie)(tie)芯(xin)(xin)磁(ci)(ci)(ci)(ci)(ci)导率(lv)下(xia)降(jiang)，影(ying)响互感(gan)器(qi)(qi)(qi)性能(neng)。长(zhang)期(qi)使用后(hou)的互感(gan)器(qi)(qi)(qi)都应该退(tui)(tui)(tui)。互感(gan)器(qi)(qi)(qi)检验前也要(yao)退(tui)(tui)(tui)磁(ci)(ci)(ci)(ci)(ci)。退(tui)(tui)(tui)磁(ci)(ci)(ci)(ci)(ci)就是通(tong)过一(yi)(yi)次(ci)(ci)(ci)或二(er)次(ci)(ci)(ci)绕(rao)(rao)(rao)组(zu)(zu)(zu)(zu)以(yi)(yi)交变的励(li)磁(ci)(ci)(ci)(ci)(ci)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)，给铁(tie)(tie)(tie)芯(xin)(xin)以(yi)(yi)交变的磁(ci)(ci)(ci)(ci)(ci)场(chang)。从(cong)(cong)0开始逐(zhu)渐(jian)加大交变的磁(ci)(ci)(ci)(ci)(ci)场(chang)(励(li)磁(ci)(ci)(ci)(ci)(ci)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu))使铁(tie)(tie)(tie)长(zhang)达到(dao)饱和(he)状态，然(ran)后(hou)再(zai)慢(man)慢(man)减(jian)小励(li)磁(ci)(ci)(ci)(ci)(ci)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)到(dao)零(ling)，以(yi)(yi)消除(chu)剩(sheng)磁(ci)(ci)(ci)(ci)(ci)对于电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互感(gan)器(qi)(qi)(qi)退(tui)(tui)(tui)磁(ci)(ci)(ci)(ci)(ci)，一(yi)(yi)次(ci)(ci)(ci)绕(rao)(rao)(rao)组(zu)(zu)(zu)(zu)开路(lu)，二(er)次(ci)(ci)(ci)绕(rao)(rao)(rao)组(zu)(zu)(zu)(zu)通(tong)以(yi)(yi)工频电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)，从(cong)(cong)零(ling)开始逐(zhu)渐(jian)增加到(dao)一(yi)(yi)定(ding)的电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)值(该电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)值与互感(gan)器(qi)(qi)(qi)的设计(ji)测(ce)量上限有(you)关，一(yi)(yi)般为额定(ding)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)的20-50%左右。可(ke)以(yi)(yi)这样判(pan)断，如(ru)果电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)突(tu)然(ran)急剧变大，此(ci)时表示铁(tie)(tie)(tie)芯(xin)(xin)以(yi)(yi)进(jin)入磁(ci)(ci)(ci)(ci)(ci)饱和(he)阶段)。然(ran)后(hou)再(zai)将电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)缓慢(man)降(jiang)为零(ling)，如(ru)此(ci)重复2-3次(ci)(ci)(ci)。在断开电(dian)(dian)(dian)(dian)源(yuan)(yuan)前，应将一(yi)(yi)次(ci)(ci)(ci)绕(rao)(rao)(rao)组(zu)(zu)(zu)(zu)短接(jie)，才断开电(dian)(dian)(dian)(dian)源(yuan)(yuan)。铁(tie)(tie)(tie)芯(xin)(xin)退(tui)(tui)(tui)磁(ci)(ci)(ci)(ci)(ci)完(wan)成。此(ci)方法称开路(lu)退(tui)(tui)(tui)磁(ci)(ci)(ci)(ci)(ci)法。对于有(you)些电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)互感(gan)器(qi)(qi)(qi)，由于二(er)次(ci)(ci)(ci)绕(rao)(rao)(rao)组(zu)(zu)(zu)(zu)的币数都比较多。若采用开路(lu)退(tui)(tui)(tui)磁(ci)(ci)(ci)(ci)(ci)法，开路(lu)的绕(rao)(rao)(rao)组(zu)(zu)(zu)(zu)可(ke)能(neng)产(chan)生(sheng)高电(dian)(dian)(dian)(dian)压。因此(ci)口以(yi)(yi)在二(er)次(ci)(ci)(ci)绕(rao)(rao)(rao)组(zu)(zu)(zu)(zu)接(jie)上较大的电(dian)(dian)(dian)(dian)阻(zu)(额定(ding)阻(zu)抗的10-20倍)。一(yi)(yi)次(ci)(ci)(ci)绕(rao)(rao)(rao)组(zu)(zu)(zu)(zu)通(tong)以(yi)(yi)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)，从(cong)(cong)零(ling)渐(jian)变到(dao)互感(gan)器(qi)(qi)(qi)一(yi)(yi)次(ci)(ci)(ci)绕(rao)(rao)(rao)组(zu)(zu)(zu)(zu)的允许(xu)的最(zui)大电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)，再(zai)渐(jian)变到(dao)零(ling)，如(ru)此(ci)重复2-3次(ci)(ci)(ci)。互感(gan)器(qi)(qi)(qi)设备，就选(xuan)浙江(jiang)邦凯(kai)电(dian)(dian)(dian)(dian)气科技有(you)限公司，让(rang)您(nin)满意，期(qi)待您(nin)的光临！

互(hu)感(gan)器(qi)(qi)(qi)(qi)是(shi)干什么用(yong)(yong)的(de)(de)。互(hu)感(gan)器(qi)(qi)(qi)(qi)的(de)(de)作(zuo)用(yong)(yong)，就(jiu)是(shi)将交流电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压和(he)大电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流按(an)比例降(jiang)到(dao)可以(yi)用(yong)(yong)仪(yi)表(biao)(biao)直接测(ce)量(liang)(liang)(liang)(liang)的(de)(de)数值，便(bian)于仪(yi)表(biao)(biao)直接测(ce)量(liang)(liang)(liang)(liang)，同时(shi)为继电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)保(bao)(bao)护和(he)自动(dong)装(zhuang)置提供电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源。同时(shi)互(hu)感(gan)器(qi)(qi)(qi)(qi)还可用(yong)(yong)来(lai)隔(ge)开高电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压系统(tong)，以(yi)保(bao)(bao)证人身和(he)设备的(de)(de)安全(quan)。电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力系统(tong)用(yong)(yong)互(hu)感(gan)器(qi)(qi)(qi)(qi)是(shi)将电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)网高电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压、大电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流的(de)(de)信息传递(di)到(dao)低电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压、小电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流二(er)次(ci)(ci)侧的(de)(de)计(ji)(ji)量(liang)(liang)(liang)(liang)、测(ce)量(liang)(liang)(liang)(liang)仪(yi)表(biao)(biao)及(ji)继电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)保(bao)(bao)护、自动(dong)装(zhuang)置的(de)(de)一(yi)种(zhong)特殊(shu)变(bian)压器(qi)(qi)(qi)(qi)，是(shi)一(yi)次(ci)(ci)系统(tong)和(he)二(er)次(ci)(ci)系统(tong)的(de)(de)联络元(yuan)件，其一(yi)次(ci)(ci)绕组(zu)接入电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)网，二(er)次(ci)(ci)绕组(zu)分(fen)别与测(ce)量(liang)(liang)(liang)(liang)仪(yi)表(biao)(biao)、保(bao)(bao)护装(zhuang)置等互(hu)相连接。互(hu)感(gan)器(qi)(qi)(qi)(qi)与测(ce)量(liang)(liang)(liang)(liang)仪(yi)表(biao)(biao)和(he)计(ji)(ji)量(liang)(liang)(liang)(liang)装(zhuang)置配合，可以(yi)测(ce)量(liang)(liang)(liang)(liang)一(yi)次(ci)(ci)系统(tong)的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)压、电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流和(he)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)能(neng)；与继电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)保(bao)(bao)护和(he)自动(dong)装(zhuang)置配合，可以(yi)构成对电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)网各(ge)种(zhong)故障的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)气(qi)保(bao)(bao)护和(he)自动(dong)控制。互(hu)感(gan)器(qi)(qi)(qi)(qi)性能(neng)的(de)(de)好坏，直接影响到(dao)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力系统(tong)测(ce)量(liang)(liang)(liang)(liang)、计(ji)(ji)量(liang)(liang)(liang)(liang)的(de)(de)准确性和(he)继电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)保(bao)(bao)护装(zhuang)置动(dong)作(zuo)的(de)(de)可靠性。互(hu)感(gan)器(qi)(qi)(qi)(qi)设备，就(jiu)选浙(zhe)江邦凯电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)气(qi)科技有限公司，让您满意，欢迎新老客(ke)户来(lai)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)！北京GIS电(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流互(hu)感(gan)器(qi)(qi)(qi)(qi)代理品牌

互(hu)感(gan)器设备，就选浙江邦凯电气(qi)科(ke)技有限公司，欢迎客户来电！江西(xi)电流互(hu)感(gan)器变比

主(zhu)要(yao)区别(bie)是正常(chang)运行时工(gong)(gong)作(zuo)状(zhuang)态（工(gong)(gong)作(zuo)原(yuan)(yuan)理）大不(bu)(bu)相同，主(zhu)要(yao)表(biao)(biao)(biao)现为(wei)(wei)(wei)：1.流(liu)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)二(er)次(ci)可以(yi)(yi)(yi)(yi)短(duan)路(lu)(lu)(lu)，但是不(bu)(bu)得开(kai)(kai)路(lu)(lu)(lu)；电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)二(er)次(ci)可以(yi)(yi)(yi)(yi)开(kai)(kai)路(lu)(lu)(lu)，但是不(bu)(bu)得短(duan)路(lu)(lu)(lu)2.对于二(er)次(ci)侧的(de)(de)负荷来说，电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)的(de)(de)一次(ci)内(nei)阻抗(kang)较小(xiao)甚至可以(yi)(yi)(yi)(yi)忽略不(bu)(bu)计，大可以(yi)(yi)(yi)(yi)认为(wei)(wei)(wei)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)是一个(ge)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)源；而电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)的(de)(de)一次(ci)却内(nei)阻很大，以(yi)(yi)(yi)(yi)至可以(yi)(yi)(yi)(yi)认为(wei)(wei)(wei)是一个(ge)内(nei)阻无穷大的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)源。3.电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)正常(chang)工(gong)(gong)作(zuo)时的(de)(de)磁通密(mi)(mi)度接(jie)近饱和(he)(he)(he)(he)值(zhi)(zhi)，故障时候磁通密(mi)(mi)度下降(jiang)；电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)正常(chang)工(gong)(gong)作(zuo)时磁通密(mi)(mi)度很低，而短(duan)路(lu)(lu)(lu)时由(you)于一次(ci)侧短(duan)路(lu)(lu)(lu)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)变(bian)得很大，使磁通密(mi)(mi)度增(zeng)加，有时甚至远远超过饱和(he)(he)(he)(he)值(zhi)(zhi)。4.电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)是用来测量电(dian)(dian)(dian)(dian)(dian)(dian)网高(gao)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)的(de)(de)特殊(shu)变(bian)压(ya)(ya)(ya)(ya)(ya)(ya)器(qi)(qi)，它能将高(gao)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)按(an)规(gui)定(ding)比例转换(huan)为(wei)(wei)(wei)较低的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)后，再(zai)连接(jie)到仪表(biao)(biao)(biao)上去测量。电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)，原(yuan)(yuan)边(bian)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)无论(lun)是多少伏，而副边(bian)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)一般均规(gui)定(ding)为(wei)(wei)(wei)100伏，以(yi)(yi)(yi)(yi)供给电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)表(biao)(biao)(biao)、功(gong)率表(biao)(biao)(biao)及(ji)千(qian)瓦(wa)小(xiao)时表(biao)(biao)(biao)和(he)(he)(he)(he)继电(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)线圈所需(xu)要(yao)的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)。5.把(ba)大电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)按(an)规(gui)定(ding)比例转换(huan)为(wei)(wei)(wei)小(xiao)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)气设备(bei)，称为(wei)(wei)(wei)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)。电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)副边(bian)的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)一般规(gui)定(ding)为(wei)(wei)(wei)5安或1安，以(yi)(yi)(yi)(yi)供给电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)表(biao)(biao)(biao)、功(gong)率表(biao)(biao)(biao)、千(qian)瓦(wa)小(xiao)时表(biao)(biao)(biao)和(he)(he)(he)(he)继电(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)的(de)(de)电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)线圈电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)。注意事项1、副边(bian)绕组必(bi)须可靠接(jie)地，以(yi)(yi)(yi)(yi)防止(zhi)由(you)于绝缘损坏后，原(yuan)(yuan)边(bian)高(gao)电(dian)(dian)(dian)(dian)(dian)(dian)压(ya)(ya)(ya)(ya)(ya)(ya)传入危(wei)及(ji)人身安全。2、复(fu)变(bian)不(bu)(bu)允(yun)许(xu)开(kai)(kai)路(lu)(lu)(lu)。江西电(dian)(dian)(dian)(dian)(dian)(dian)流(liu)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)变(bian)比

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