中(zhong)性(xing)點(dian)(dian)接地(di)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器連接于(yu)(yu)發電(dian)(dian)(dian)(dian)(dian)機(ji)、變壓(ya)器的(de)(de)中(zhong)性(xing)點(dian)(dian)與大地(di)之間的(de)(de)一種限流(liu)電(dian)(dian)(dian)(dian)(dian)氣(qi)保(bao)護(hu)設(she)(she)備(bei)，當電(dian)(dian)(dian)(dian)(dian)網(wang)線路出現故(gu)障時，電(dian)(dian)(dian)(dian)(dian)源中(zhong)性(xing)點(dian)(dian)電(dian)(dian)(dian)(dian)(dian)壓(ya)將產(chan)生偏移，尤其是(shi)在電(dian)(dian)(dian)(dian)(dian)纜供(gong)電(dian)(dian)(dian)(dian)(dian)的(de)(de)電(dian)(dian)(dian)(dian)(dian)網(wang)系統中(zhong)，對(dui)(dui)地(di)電(dian)(dian)(dian)(dian)(dian)容電(dian)(dian)(dian)(dian)(dian)流(liu)較大，當該(gai)電(dian)(dian)(dian)(dian)(dian)流(liu)大于(yu)(yu)規(gui)定值時會(hui)產(chan)生弧光接地(di)過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)，從(cong)而(er)使非故(gu)障相(xiang)的(de)(de)對(dui)(dui)地(di)電(dian)(dian)(dian)(dian)(dian)壓(ya)極(ji)大地(di)增加，使設(she)(she)備(bei)絕(jue)緣損壞形成(cheng)兩點(dian)(dian)或多(duo)點(dian)(dian)接地(di)短路造成(cheng)停電(dian)(dian)(dian)(dian)(dian)事故(gu)。采用(yong)(yong)中(zhong)性(xing)點(dian)(dian)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)接地(di)方式的(de)(de)目的(de)(de)是(shi)給(gei)故(gu)障點(dian)(dian)注入阻(zu)(zu)性(xing)電(dian)(dian)(dian)(dian)(dian)流(liu)，使接地(di)故(gu)障電(dian)(dian)(dian)(dian)(dian)流(liu)呈阻(zu)(zu)容性(xing)質，減小與電(dian)(dian)(dian)(dian)(dian)壓(ya)的(de)(de)相(xiang)位差(cha)，降低故(gu)障點(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流(liu)過(guo)零(ling)熄弧后的(de)(de)重燃率(lv)，使過(guo)電(dian)(dian)(dian)(dian)(dian)壓(ya)限制在一定水(shui)平以內，提(ti)高繼電(dian)(dian)(dian)(dian)(dian)保(bao)護(hu)設(she)(she)備(bei)靈敏度以實現跳閘、快速尋找(zhao)故(gu)障線路和備(bei)用(yong)(yong)切換，從(cong)而(er)有效(xiao)保(bao)護(hu)系統正常(chang)運行。裝(zhuang)置可適用(yong)(yong)于(yu)(yu)0.4~110kV電(dian)壓(ya)等級(ji)配電(dian)網的(de)(de)(de)中性點(dian)接地(di)系統(tong)(tong)，在電(dian)力系統(tong)(tong)的(de)(de)(de)變電(dian)所或(huo)發電(dian)廠也已經(jing)得(de)到了廣泛(fan)的(de)(de)(de)應(ying)用(yong)，在礦山、石化等企業供(gong)電(dian)系統(tong)(tong)的(de)(de)(de)應(ying)用(yong)也越來越廣泛(fan)，對(dui)提高系統(tong)(tong)供(gong)電(dian)可靠性及安全運行有明顯的(de)(de)(de)效果。

可選配件

智能監控(kong)裝置，可監控(kong)電流、溫度(du)及故(gu)障次數

隔離開關

電(dian)流互感器(qi)，電(dian)壓互感器(qi)

溫濕(shi)度控制(zhi)器及加熱器

柜內照明(ming)