中(zhong)性(xing)(xing)(xing)點(dian)接(jie)(jie)地(di)(di)電(dian)(dian)(dian)阻器連接(jie)(jie)于(yu)發電(dian)(dian)(dian)機、變壓器的(de)(de)中(zhong)性(xing)(xing)(xing)點(dian)與(yu)大(da)(da)地(di)(di)之(zhi)間的(de)(de)一種限流(liu)(liu)電(dian)(dian)(dian)氣保(bao)護(hu)設備(bei)，當(dang)電(dian)(dian)(dian)網(wang)線路(lu)(lu)出現(xian)(xian)故(gu)(gu)障(zhang)(zhang)時，電(dian)(dian)(dian)源中(zhong)性(xing)(xing)(xing)點(dian)電(dian)(dian)(dian)壓將產生偏(pian)移，尤其是在電(dian)(dian)(dian)纜供電(dian)(dian)(dian)的(de)(de)電(dian)(dian)(dian)網(wang)系統(tong)中(zhong)，對地(di)(di)電(dian)(dian)(dian)容(rong)電(dian)(dian)(dian)流(liu)(liu)較(jiao)大(da)(da)，當(dang)該(gai)電(dian)(dian)(dian)流(liu)(liu)大(da)(da)于(yu)規定值時會產生弧光接(jie)(jie)地(di)(di)過電(dian)(dian)(dian)壓，從而使非故(gu)(gu)障(zhang)(zhang)相(xiang)的(de)(de)對地(di)(di)電(dian)(dian)(dian)壓極(ji)大(da)(da)地(di)(di)增(zeng)加，使設備(bei)絕(jue)緣損壞形成兩點(dian)或(huo)多點(dian)接(jie)(jie)地(di)(di)短(duan)路(lu)(lu)造(zao)成停電(dian)(dian)(dian)事故(gu)(gu)。采用中(zhong)性(xing)(xing)(xing)點(dian)電(dian)(dian)(dian)阻接(jie)(jie)地(di)(di)方式的(de)(de)目的(de)(de)是給故(gu)(gu)障(zhang)(zhang)點(dian)注(zhu)入阻性(xing)(xing)(xing)電(dian)(dian)(dian)流(liu)(liu)，使接(jie)(jie)地(di)(di)故(gu)(gu)障(zhang)(zhang)電(dian)(dian)(dian)流(liu)(liu)呈阻容(rong)性(xing)(xing)(xing)質，減小與(yu)電(dian)(dian)(dian)壓的(de)(de)相(xiang)位差，降低故(gu)(gu)障(zhang)(zhang)點(dian)電(dian)(dian)(dian)流(liu)(liu)過零(ling)熄弧后的(de)(de)重燃率，使過電(dian)(dian)(dian)壓限制在一定水平以內，提高繼電(dian)(dian)(dian)保(bao)護(hu)設備(bei)靈(ling)敏度以實現(xian)(xian)跳(tiao)閘(zha)、快速尋找故(gu)(gu)障(zhang)(zhang)線路(lu)(lu)和備(bei)用切換，從而有效保(bao)護(hu)系統(tong)正常運行(xing)。裝(zhuang)置(zhi)可(ke)適用于(yu)0.4~110kV電(dian)壓等級配(pei)電(dian)網的(de)(de)中性點接地系(xi)統，在電(dian)力系(xi)統的(de)(de)變電(dian)所或發電(dian)廠也(ye)已經(jing)得到了廣泛(fan)的(de)(de)應(ying)用，在礦山(shan)、石化等企業(ye)供(gong)電(dian)系(xi)統的(de)(de)應(ying)用也(ye)越來越廣泛(fan)，對提高系(xi)統供(gong)電(dian)可靠(kao)性及安(an)全運行(xing)有明(ming)顯的(de)(de)效(xiao)果。

可選配件

智能監控(kong)(kong)裝(zhuang)置，可監控(kong)(kong)電流、溫度及故障次數(shu)

隔離(li)開關

電流互感(gan)(gan)器，電壓互感(gan)(gan)器

溫濕度控制器及加熱(re)器

柜內照明