LX-500J絕緣監測及選擇性(xing)漏(lou)電保護裝置可以(yi)監控1臺總開(kai)關(或(huo)(huo)移動(dong)變電站)，1~16路分(fen)開(kai)關。適用(yong)于127V、380V、660V和1140V中性(xing)點(dian)不接(jie)地、中性(xing)點(dian)經高(gao)阻接(jie)地或(huo)(huo)中性(xing)點(dian)經零序電抗器接(jie)地補償的低壓供電系統。

        功能(neng)包括橫向選(xuan)漏(lou)(lou)保護(hu)和(he)(he)縱向選(xuan)漏(lou)(lou)保護(hu)、集中(zhong)性(xing)漏(lou)(lou)電(dian)(dian)(dian)保護(hu)和(he)(he)分(fen)散性(xing)漏(lou)(lou)電(dian)(dian)(dian)保護(hu)，裝置(zhi)不(bu)僅能(neng)保證被(bei)保護(hu)的(de)低壓電(dian)(dian)(dian)網任何線(xian)路上發生人(ren)身觸電(dian)(dian)(dian)或(huo)經 1KQ 電(dian)(dian)(dian)阻接地(di)的(de)漏(lou)(lou)電(dian)(dian)(dian)故障(zhang)，其(qi)保護(hu)動作時間不(bu)超出30mA·S;而(er)且能(neng)對漏(lou)(lou)電(dian)(dian)(dian)故障(zhang)進行(xing)定性(xing)和(he)(he)定位(wei)，具(ju)體(ti)指(zhi)明是(shi)三(san)相(xiang)對稱分(fen)散性(xing)漏(lou)(lou)電(dian)(dian)(dian)，還是(shi)(單(dan)相(xiang)對地(di))集中(zhong)性(xing)漏(lou)(lou)電(dian)(dian)(dian);是(shi)某饋(kui)出線(xian)單(dan)相(xiang)接地(di)漏(lou)(lou)電(dian)(dian)(dian)，還是(shi)母(mu)線(xian)范圍單(dan)相(xiang)接地(di)漏(lou)(lou)電(dian)(dian)(dian)。系(xi)統發生漏(lou)(lou)電(dian)(dian)(dian)故障(zhang)時,該產品(pin)可實現(xian)故障(zhang)相(xiang)的(de)預期接觸電(dian)(dian)(dian)壓低于36V時告警，高于36V時跳閘，可實現(xian)與智能(neng)配電(dian)(dian)(dian)系(xi)統后(hou)臺的(de)數(shu)據(ju)交互。