LXY-70 鋼化玻璃絕緣子LXY-70 鋼化玻璃絕緣子LXY-70 鋼化玻璃絕緣子緣子型號(hào)U70B/146U80B/146U100B/146U120B/146U160B/155U210B/170U240B/170U300B/195U420B/205U550B/240LXY-70LXY-80LXY-100LXY-120LXY-160LXY-210LXY-240LXY-300LXY-420LXY-550LXP-70LXP-80LXP-100LXP-120LXP-160LXP-210LXP-240LXP-300LXP-420LXP-550FC70/146FC80/146FC100/146FC120/146FC160/155FC210/170FC240/170FC300/195FC420/205FC550/240公稱(chēng)直徑D(mm)255255255255280280280320360360結(jié)構(gòu)高度H(mm)65205240公稱(chēng)爬電距離L(mm)320320320320400400400485550620連接標(biāo)記(mm)16161616202024242832額定機(jī)械破壞負(fù)荷(kN)7080100120160210240300420550逐個(gè)拉伸負(fù)荷(kN)3540506080105120150210275工頻干耐受電(kV)70707070757575859095工頻濕耐受電(kV)40404040454545505555雷電沖擊耐受電壓(kV)100100100100110110110130140145沖擊過(guò)電壓擊穿耐受電壓(p.u.)2.82.82.82.82.82.82.82.82.82.8較小工頻擊穿耐受電壓(kV)00130130無(wú)線電干擾10kV；1MHz(μV)≤50≤50≤50≤50≤50≤50≤50≤50≤50≤50可見(jiàn)電暈電壓 腳帽(kV)18/2218/2218/2218/2218/2218/2218/2218/2218/2218/22工頻電弧試驗(yàn)0.12s/20kA0.12s/20kA0.12s/20kA0.12s/20kA0.12s/20kA0.12s/20kA0.12s/20kA0.12s/20kA0.12s/20kA0.12s/20kA絕緣子單片重(kg)3.63.64.04.06.57.27.510.614.619.1