GW9戶(hu)外高(gao)壓(ya)隔離(li)開關(guan)為交流50Hz的戶(hu)外高(gao)壓(ya)電(dian)(dian)(dian)器(qi)設備，額定電(dian)(dian)(dian)壓(ya)等級有10kV，15kV，24kV供(gong)高(gao)壓(ya)線路在無(wu)負載情況下進行開合(he)，以及對被檢(jian)修高(gao)壓(ya)母線、斷路器(qi)等電(dian)(dian)(dian)氣設備帶電(dian)(dian)(dian)的高(gao)壓(ya)線路進行電(dian)(dian)(dian)氣隔離(li)之(zhi)用，也(ye)可用于開、合(he)小的電(dian)(dian)(dian)容或電(dian)(dian)(dian)感電(dian)(dian)(dian)流。
概述：
GW9戶(hu)外高(gao)壓(ya)隔離開(kai)(kai)關為(wei)交流50Hz的戶(hu)外高(gao)壓(ya)電(dian)(dian)(dian)(dian)器設(she)備(bei)，額定電(dian)(dian)(dian)(dian)壓(ya)等級有10kV，15kV，24kV供(gong)高(gao)壓(ya)線路在(zai)無負(fu)載(zai)情況下進行(xing)開(kai)(kai)合，以及對被檢修高(gao)壓(ya)母線、斷路器等電(dian)(dian)(dian)(dian)氣(qi)設(she)備(bei)帶電(dian)(dian)(dian)(dian)的高(gao)壓(ya)線路進行(xing)電(dian)(dian)(dian)(dian)氣(qi)隔離之用(yong)，也可用(yong)于(yu)開(kai)(kai)、合小的電(dian)(dian)(dian)(dian)容或電(dian)(dian)(dian)(dian)感電(dian)(dian)(dian)(dian)流。
本(ben)系(xi)列戶外隔(ge)離(li)開(kai)(kai)關(guan)(guan)(guan)滿(man)足GB1985《交流(liu)高壓隔(ge)離(li)開(kai)(kai)關(guan)(guan)(guan)和接地(di)開(kai)(kai)關(guan)(guan)(guan)》、IEC60129《交流(liu)隔(ge)離(li)開(kai)(kai)關(guan)(guan)(guan)與接地(di)開(kai)(kai)關(guan)(guan)(guan)》以GB/T11022《高壓開(kai)(kai)關(guan)(guan)(guan)設備和控(kong)制設備標準的(de)共用技術(shu)要(yao)求》等標準的(de)相關(guan)(guan)(guan)規定。
型號含義：
正常使用條件：
◇海拔高(gao)度不(bu)超(chao)過(guo)1000m；
◇周(zhou)圍空氣溫度：上限(xian)+40℃，下限(xian)一(yi)般(ban)地(di)區-30℃，高寒地(di)區-40℃；
◇風壓不超(chao)過700Pa，(相當于風速(su)34m/s)；
◇地震(zhen)烈度不超(chao)過8度；
◇無頻(pin)繁(fan)劇烈震動(dong)場所；
◇普通型(xing)安裝場所(suo)應無嚴重影響隔離開(kai)關絕(jue)緣(yuan)和導電能力的氣體、蒸氣、化學(xue)性沉積、鹽霧(wu)、灰塵及其它爆(bao)炸(zha)性、侵蝕性物(wu)質；
◇防(fang)污型適(shi)用(yong)于重污穢地區(qu)，但不應有引起(qi)火災及爆炸物質。
主要技術參數：
項目 | 單位 | 參數 | |||||||
額定電壓 | kV | 10 | 18 | 20 | |||||
額定工作電壓 | kV | 12 | 17.5 | 24 | |||||
額定絕緣水平 | 1min工(gong)頻(pin)耐受電壓（有效(xiao)值(zhi)） | 對地 | kV | 42 | 55 | 65 | |||
斷口 | 48 | 65 | 79 | ||||||
雷電沖擊耐受(shou)電壓（峰值） | 對地 | 75 | 105 | 125 | |||||
斷口 | 85 | 120 | 145 | ||||||
額定頻率 | Hz | 50 | |||||||
鄂東電流 | A | 200 | 400 | 630 | 1250 | 400 | 630 | ||
4s短時耐受電流 | KA | 6.3 | 12.5 | 20 | 31.5 | 16 | 20 | ||
額定峰值耐受電流 | KA | 16 | 31.5 | 50 | 80 | 40 | 50 | ||
爬電距離 | mm | 300 | 380 |
| |||||
機械壽命 | 次 | 2000 | 2000 | 2000 | |||||
外(wai)形及(ji)安裝(zhuang)尺寸：
