簡(jian)要描述:重慶銷售10kv高壓熔斷器RW12-15熔(rong)(rong)斷(duan)器(qi)是由(you)基座和消弧(hu)裝置(zhi)兩大部分組成(cheng),滅弧(hu)管(guan)下端裝有可(ke)能轉動的(de)彈(dan)簧支架,始終使熔(rong)(rong)絲(si)處于緊張狀(zhuang)態(tai),以保證滅弧(hu)管(guan)在(zai)合閘位置(zhi)的(de)自鎖(suo),線路與(yu)變壓器(qi)過載或短路中(zhong),熔(rong)(rong)絲(si)熔(rong)(rong)斷(duan),熔(rong)(rong)絲(si)迅(xun)速從滅弧(hu)管(guan)中(zhong)抽出,滅弧(hu)管(guan)設計為逐級排氣(qi)式(shi)解(jie)決在(zai)同(tong)一熔(rong)(rong)斷(duan)器(qi)上(shang)開斷(duan)大小電(dian)流的(de)矛盾。
詳細介紹
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重慶銷售10kv高壓熔斷器RW12-15
跌(die)落式(shi)熔斷器(qi)及拉負(fu)荷(he)跌落式熔斷器(qi)是(shi)戶外(wai)高(gao)壓(ya)保(bao)護電(dian)器(qi)。它(ta)裝(zhuang)(zhuang)置在(zai)配電(dian)變(bian)壓(ya)器(qi)高(gao)壓(ya)側或配電(dian)線(xian)支干線(xian)路上、用(yong)作變(bian)壓(ya)器(qi)和(he)(he)(he)線(xian)路的(de)短路、過載保(bao)護及分、合負(fu)荷(he)電(dian)流。跌落式熔斷器(qi)由(you)絕(jue)緣(yuan)支架和(he)(he)(he)熔絲管(guan)(guan)(guan)二部(bu)分組成(cheng),靜(jing)觸(chu)頭安(an)裝(zhuang)(zhuang)在(zai)絕(jue)緣(yuan)支架兩端(duan),動(dong)觸(chu)頭安(an)裝(zhuang)(zhuang)在(zai)熔絲管(guan)(guan)(guan)兩端(duan),熔絲管(guan)(guan)(guan)由(you)內層(ceng)的(de)消弧管(guan)(guan)(guan)和(he)(he)(he)外(wai)層(ceng)的(de)酚醛紙(zhi)管(guan)(guan)(guan)或環氧玻璃布管(guan)(guan)(guan)組成(cheng)。拉負(fu)荷(he)跌落式熔斷器(qi)增強(qiang)彈性輔助觸(chu)頭及滅弧罩(zhao),用(yong)以分,合負(fu)荷(he)電(dian)流。
跌落式熔(rong)(rong)(rong)斷(duan)(duan)器(qi)在正常(chang)運行時,熔(rong)(rong)(rong)絲(si)(si)管(guan)借(jie)助(zhu)(zhu)熔(rong)(rong)(rong)絲(si)(si)張(zhang)緊(jin)后(hou)形成閉合位置。當系(xi)統(tong)發生故障時,故障電(dian)流時熔(rong)(rong)(rong)絲(si)(si)迅速熔(rong)(rong)(rong)斷(duan)(duan),并(bing)形成電(dian)弧,消(xiao)弧管(guan)受電(dian)弧灼熱,分解出大量(liang)的氣體,內形成很高壓力,并(bing)沿管(guan)道(dao)形成縱吹(chui),電(dian)弧被迅速拉長而熄滅(mie)。熔(rong)(rong)(rong)絲(si)(si)熔(rong)(rong)(rong)斷(duan)(duan)后(hou),下部動觸頭(tou)失去張(zhang)力二下翻,鎖緊(jin)機(ji)械,釋放熔(rong)(rong)(rong)絲(si)(si)管(guan),熔(rong)(rong)(rong)絲(si)(si)管(guan)跌落,形成明顯的開斷(duan)(duan)位置。當需要拉負荷時,用(yong)(yong)絕緣(yuan)桿拉開動觸頭(tou),此時主動、靜動觸頭(tou)仍(reng)然接觸,繼續用(yong)(yong)絕緣(yuan)桿拉動觸頭(tou),輔助(zhu)(zhu)觸頭(tou)也分離,在輔助(zhu)(zhu)觸頭(tou)之間(jian)產(chan)生電(dian)弧,電(dian)弧在滅(mie)罩(zhao)(zhao)狹縫中被拉長,同時滅(mie)弧罩(zhao)(zhao)產(chan)生氣體,在電(dian)流過零時,將電(dian)弧熄滅(mie)。
二、用途
戶外高壓熔(rong)斷器適(shi)用于35kv及以下電壓(ya)頻率50Hz電力(li)系統中,作輸(shu)電線路、電力(li)變壓器過載和短路保(bao)護,分合額定負荷電流(liu)只用,機械壽命≥2000次。
三、使用條件
1.適(shi)用于環境溫度(du)上限40℃,下限-30℃之內。
2.海拔(ba)不超(chao)過1000m,風速不大于35m/s
3.熔斷器不適用于下(xia)述場所
3.1有燃(ran)料或**危險的場所(suo)。
3.2有劇烈震(zhen)動或沖擊的場所。
3.3有異電化(hua)學氣體作用及嚴重空氣污穢,煙霧地區。
四、結構簡介
熔(rong)(rong)斷(duan)(duan)器是由基座和消(xiao)弧裝置兩大(da)部分組成,滅(mie)弧管(guan)下端裝有可(ke)能轉動的(de)彈簧支架,始終使(shi)熔(rong)(rong)絲處于緊張狀(zhuang)態,以保(bao)證(zheng)滅(mie)弧管(guan)在合閘(zha)位置的(de)自鎖,線路與變壓器過載(zai)或短路中,熔(rong)(rong)絲熔(rong)(rong)斷(duan)(duan),熔(rong)(rong)絲迅速從滅(mie)弧管(guan)中抽(chou)出,滅(mie)弧管(guan)設(she)計為逐級排氣式解決在同一熔(rong)(rong)斷(duan)(duan)器上開斷(duan)(duan)大(da)小電流的(de)矛盾。
重慶銷售10kv高壓熔斷器RW12-15
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