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RW11-10KV戶外跌落式熔斷器
RW11-10KV戶外跌落式熔斷器
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一(yi)、概述 跌(die)落(luo)(luo)式熔(rong)(rong)(rong)(rong)(rong)斷(duan)器(qi)(qi)(qi)及(ji)拉負荷(he)跌(die)落(luo)(luo)式熔(rong)(rong)(rong)(rong)(rong)斷(duan)器(qi)(qi)(qi)是戶外高(gao)(gao)壓(ya)保(bao)(bao)護(hu)電(dian)(dian)(dian)器(qi)(qi)(qi)。它裝置在配電(dian)(dian)(dian)變(bian)壓(ya)器(qi)(qi)(qi)高(gao)(gao)壓(ya)側或配電(dian)(dian)(dian)線(xian)支(zhi)干(gan)線(xian)路上、用(yong)作變(bian)壓(ya)器(qi)(qi)(qi)和線(xian)路的短路、過載保(bao)(bao)護(hu)及(ji)分(fen)、合負荷(he)電(dian)(dian)(dian)流(liu)。跌(die)落(luo)(luo)式熔(rong)(rong)(rong)(rong)(rong)斷(duan)器(qi)(qi)(qi)由(you)絕緣支(zhi)架和熔(rong)(rong)(rong)(rong)(rong)絲(si)管(guan)二部分(fen)組成(cheng)(cheng),靜觸頭(tou)安裝在絕緣支(zhi)架兩端,動觸頭(tou)安裝在熔(rong)(rong)(rong)(rong)(rong)絲(si)管(guan)兩端,熔(rong)(rong)(rong)(rong)(rong)絲(si)管(guan)由(you)內(nei)層的消(xiao)弧(hu)(hu)管(guan)和外層的酚醛紙管(guan)或環氧玻璃布管(guan)組成(cheng)(cheng)。拉負荷(he)跌(die)落(luo)(luo)式熔(rong)(rong)(rong)(rong)(rong)斷(duan)器(qi)(qi)(qi)增強彈性輔助觸頭(tou)及(ji)滅(mie)弧(hu)(hu)罩,用(yong)以(yi)分(fen),合負荷(he)電(dian)(dian)(dian)流(liu)。 跌(die)落(luo)(luo)式熔(rong)(rong)(rong)(rong)(rong)斷(duan)器(qi)(qi)(qi)在正常(chang)運行時(shi),熔(rong)(rong)(rong)(rong)(rong)絲(si)管(guan)借助熔(rong)(rong)(rong)(rong)(rong)絲(si)張緊(jin)后形(xing)成(cheng)(cheng)閉合位(wei)置。當系統發生故(gu)障時(shi),故(gu)障電(dian)(dian)(dian)流(liu)時(shi)熔(rong)(rong)(rong)(rong)(rong)絲(si)迅速熔(rong)(rong)(rong)(rong)(rong)斷(duan),并(bing)形(xing)成(cheng)(cheng)電(dian)(dian)(dian)弧(hu)(hu),消(xiao)弧(hu)(hu)管(guan)受電(dian)(dian)(dian)弧(hu)(hu)灼熱,分(fen)解出(chu)大量的氣體(ti),使館內(nei)形(xing)成(cheng)(cheng)很高(gao)(gao)壓(ya)力,并(bing)沿管(guan)道(dao)形(xing)成(cheng)(cheng)縱吹,電(dian)(dian)(dian)弧(hu)(hu)被(bei)迅速拉長而熄滅(mie)。熔(rong)(rong)(rong)(rong)(rong)絲(si)熔(rong)(rong)(rong)(rong)(rong)斷(duan)后,下部 …

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一、概述

    跌(die)落(luo)(luo)式(shi)熔(rong)(rong)(rong)斷(duan)器(qi)(qi)及(ji)拉負荷(he)跌(die)落(luo)(luo)式(shi)熔(rong)(rong)(rong)斷(duan)器(qi)(qi)是戶外(wai)高(gao)壓保護(hu)(hu)電器(qi)(qi)。它裝(zhuang)(zhuang)置在配電變壓器(qi)(qi)高(gao)壓側(ce)或(huo)(huo)配電線(xian)支干線(xian)路上(shang)、用作(zuo)變壓器(qi)(qi)和線(xian)路的短路、過載(zai)保護(hu)(hu)及(ji)分(fen)、合(he)負荷(he)電流。跌(die)落(luo)(luo)式(shi)熔(rong)(rong)(rong)斷(duan)器(qi)(qi)由(you)(you)絕緣(yuan)支架和熔(rong)(rong)(rong)絲(si)管(guan)(guan)二部分(fen)組成,靜(jing)觸頭安(an)裝(zhuang)(zhuang)在絕緣(yuan)支架兩端,動(dong)觸頭安(an)裝(zhuang)(zhuang)在熔(rong)(rong)(rong)絲(si)管(guan)(guan)兩端,熔(rong)(rong)(rong)絲(si)管(guan)(guan)由(you)(you)內層(ceng)的消弧(hu)管(guan)(guan)和外(wai)層(ceng)的酚醛紙管(guan)(guan)或(huo)(huo)環氧玻璃布(bu)管(guan)(guan)組成。拉負荷(he)跌(die)落(luo)(luo)式(shi)熔(rong)(rong)(rong)斷(duan)器(qi)(qi)增強彈性輔助觸頭及(ji)滅弧(hu)罩,用以分(fen),合(he)負荷(he)電流。

    跌落(luo)式熔(rong)(rong)斷(duan)器在(zai)正常運行(xing)時(shi)(shi),熔(rong)(rong)絲(si)管借助熔(rong)(rong)絲(si)張(zhang)緊后形(xing)(xing)(xing)成(cheng)閉合(he)位置。當(dang)(dang)系統發生故障時(shi)(shi),故障電(dian)流時(shi)(shi)熔(rong)(rong)絲(si)迅(xun)(xun)速(su)熔(rong)(rong)斷(duan),并(bing)形(xing)(xing)(xing)成(cheng)電(dian)弧,消弧管受電(dian)弧灼熱,分(fen)解出大量的氣體(ti),使館內形(xing)(xing)(xing)成(cheng)很高(gao)壓力(li),并(bing)沿(yan)管道(dao)形(xing)(xing)(xing)成(cheng)縱(zong)吹,電(dian)弧被迅(xun)(xun)速(su)拉長而(er)熄滅(mie)(mie)。熔(rong)(rong)絲(si)熔(rong)(rong)斷(duan)后,下(xia)部動觸頭(tou)失去張(zhang)力(li)二下(xia)翻(fan),鎖緊機械(xie),釋放熔(rong)(rong)絲(si)管,熔(rong)(rong)絲(si)管跌落(luo),形(xing)(xing)(xing)成(cheng)明顯(xian)的開(kai)斷(duan)位置。當(dang)(dang)需要拉負荷時(shi)(shi),用絕(jue)緣(yuan)桿拉開(kai)動觸頭(tou),此時(shi)(shi)主動、靜(jing)動觸頭(tou)仍然接觸,繼(ji)續用絕(jue)緣(yuan)桿拉動觸頭(tou),輔(fu)助觸頭(tou)也分(fen)離,在(zai)輔(fu)助觸頭(tou)之間產(chan)生電(dian)弧,電(dian)弧在(zai)滅(mie)(mie)罩狹縫(feng)中被拉長,同時(shi)(shi)滅(mie)(mie)弧罩產(chan)生氣體(ti),在(zai)電(dian)流過(guo)零時(shi)(shi),將電(dian)弧熄滅(mie)(mie)。


二、用途

    戶外(wai)高壓(ya)熔斷器適用于35kv及以下電壓(ya)頻率50Hz電力(li)系統中,作輸(shu)電線路(lu)、電力(li)變壓(ya)器過載和(he)短路(lu)保護,分合額定負(fu)荷(he)電流(liu)只用,機械壽(shou)命≥2000次(ci)。


三、使用條件

1.適用(yong)于環境溫(wen)度(du)上限(xian)(xian)40℃,下(xia)限(xian)(xian)-30℃之內。

2.海拔不超過(guo)1000m,風速不大于35m/s

3.熔斷器不適(shi)用于下述場所

3.1有燃料或爆(bao)炸危險(xian)的(de)場所(suo)。

3.2有劇(ju)烈震動或沖擊(ji)的場所。

3.3有(you)異(yi)電化學氣體(ti)作用及嚴重空氣污穢,煙霧(wu)地區。


四、結構簡介

    熔斷器是由基座和(he)消弧裝置(zhi)兩(liang)大部(bu)分組成,滅弧管(guan)(guan)下端(duan)裝有可能轉動的(de)(de)彈(dan)簧支架,始終使熔絲(si)處于緊(jin)張狀(zhuang)態,以保證(zheng)滅弧管(guan)(guan)在(zai)(zai)合(he)閘位置(zhi)的(de)(de)自鎖,線路(lu)與變(bian)壓(ya)器過載或短(duan)路(lu)中,熔絲(si)熔斷,熔絲(si)迅速(su)從滅弧管(guan)(guan)中抽出,滅弧管(guan)(guan)設計為逐(zhu)級(ji)排氣式解決在(zai)(zai)同一熔斷器上開斷大小(xiao)電流的(de)(de)矛盾(dun)。


五、型號說(shuo)明

RW11-10KV戶外跌落式熔斷器詳情1.jpg


六、主要(yao)技術參數

RW11-10KV戶外跌落式熔斷器詳情2.jpg

型號(hao)

額定電壓kv

額定電流A

開斷電流kA

沖擊電壓BIL

工頻耐壓(ya)kv

RW11-10/100

10

100

6.3

110

42

RW11-10/200

10

200

12.5

110

42



七、外形及安裝尺寸


編(bian)號No.

部件名(ming)稱

編號No.

部件名稱

1

背板

7

上觸頭

2

長螺(luo)桿

8

附屬鉤

3

安裝(zhuang)支架(jia)

9

操作(zuo)環

4

瓷(ci)件(jian)(或陶瓷(ci)絕緣子(zi))

10

熔(rong)絲管(guan)

5

接線座

11

套環接頭

6

上支座

12

下支座