LX-500J絕緣監(jian)測及選(xuan)擇(ze)性漏電(dian)保護裝置(zhi)可(ke)以監(jian)控1臺總開(kai)關(guan)(或移(yi)動(dong)變電(dian)站(zhan))，1~16路分開(kai)關(guan)。適(shi)用(yong)于127V、380V、660V和1140V中性點(dian)不(bu)接(jie)地(di)、中性點(dian)經高阻(zu)接(jie)地(di)或中性點(dian)經零序電(dian)抗器接(jie)地(di)補(bu)償的低(di)壓供電(dian)系統。

        功能(neng)包括橫向選漏(lou)(lou)(lou)保(bao)(bao)(bao)護和(he)縱向選漏(lou)(lou)(lou)保(bao)(bao)(bao)護、集中性漏(lou)(lou)(lou)電(dian)(dian)保(bao)(bao)(bao)護和(he)分散性漏(lou)(lou)(lou)電(dian)(dian)保(bao)(bao)(bao)護，裝置不(bu)僅(jin)能(neng)保(bao)(bao)(bao)證(zheng)被(bei)保(bao)(bao)(bao)護的低壓(ya)(ya)電(dian)(dian)網任何(he)線(xian)路上發生人身觸(chu)電(dian)(dian)或經 1KQ 電(dian)(dian)阻(zu)接(jie)地(di)的漏(lou)(lou)(lou)電(dian)(dian)故(gu)障(zhang)(zhang)，其保(bao)(bao)(bao)護動(dong)作(zuo)時(shi)間不(bu)超(chao)出30mA·S;而且(qie)能(neng)對(dui)漏(lou)(lou)(lou)電(dian)(dian)故(gu)障(zhang)(zhang)進行定性和(he)定位，具(ju)體指明是(shi)三相(xiang)對(dui)稱分散性漏(lou)(lou)(lou)電(dian)(dian)，還(huan)是(shi)(單相(xiang)對(dui)地(di))集中性漏(lou)(lou)(lou)電(dian)(dian);是(shi)某饋(kui)出線(xian)單相(xiang)接(jie)地(di)漏(lou)(lou)(lou)電(dian)(dian)，還(huan)是(shi)母線(xian)范圍(wei)單相(xiang)接(jie)地(di)漏(lou)(lou)(lou)電(dian)(dian)。系統(tong)發生漏(lou)(lou)(lou)電(dian)(dian)故(gu)障(zhang)(zhang)時(shi),該產品(pin)可(ke)實現故(gu)障(zhang)(zhang)相(xiang)的預期接(jie)觸(chu)電(dian)(dian)壓(ya)(ya)低于(yu)36V時(shi)告警，高于(yu)36V時(shi)跳(tiao)閘(zha)，可(ke)實現與智能(neng)配電(dian)(dian)系統(tong)后臺的數據交互(hu)。