配網系統中性點經電阻接地方式在歐美等發達國家已經有100多年的應用歷史，在我國電網的應用也日益普及。在消弧線圈接地系統補償量獲選線無法滿足系統快速發展需要時，為了更好的限制系統過電壓水平以及快速的選擇和切除故障線路，多采用中性點經電阻接地方式、在發電系統中為了限制發動機出口流過的故障電流和限制過壓水平，也多采用中性點經電阻接地方式。
中(zhong)(zhong)(zhong)性點(dian)經電(dian)(dian)阻接地(di)可(ke)(ke)有效(xiao)限制間歇弧光接地(di)過(guo)(guo)電(dian)(dian)壓(ya)、降低系(xi)(xi)統(tong)(tong)(tong)(tong)(tong)操作(zuo)過(guo)(guo)電(dian)(dian)壓(ya)、消除(chu)系(xi)(xi)統(tong)(tong)(tong)(tong)(tong)諧振過(guo)(guo)電(dian)(dian)壓(ya)、方便(bian)配置單相接地(di)故障保護(hu)、可(ke)(ke)在(zai)短時(shi)間內有效(xiao)切除(chu)故障線路。從而降低系(xi)(xi)統(tong)(tong)(tong)(tong)(tong)設備(bei)的絕緣水平，延遲系(xi)(xi)統(tong)(tong)(tong)(tong)(tong)設備(bei)的使用(yong)壽(shou)命，提高(gao)系(xi)(xi)統(tong)(tong)(tong)(tong)(tong)運行的安全可(ke)(ke)靠(kao)性。產品(pin)采用(yong)****進(jin)口不銹(xiu)鋼或國產不銹(xiu)鋼電(dian)(dian)熱金屬材料，具有電(dian)(dian)導(dao)率高(gao)、溫度(du)系(xi)(xi)數高(gao)、耐腐蝕、耐高(gao)溫、抗氧(yang)化能力強(qiang)、抗拉強(qiang)度(du)高(gao)及阻值穩定(ding)等優良特點(dian)，產品(pin)運行安全可(ke)(ke)靠(kao)。中(zhong)(zhong)(zhong)壓(ya)配電(dian)(dian)系(xi)(xi)統(tong)(tong)(tong)(tong)(tong)中(zhong)(zhong)(zhong)，如果變壓(ya)器為三角(jiao)形接法，則需加裝(zhuang)Z型接地(di)變壓(ya)器，以(yi)(yi)便(bian)為系(xi)(xi)統(tong)(tong)(tong)(tong)(tong)人為引出中(zhong)(zhong)(zhong)性點(dian)，以(yi)(yi)加裝(zhuang)中(zhong)(zhong)(zhong)性點(dian)接地(di)電(dian)(dian)阻。
