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HRW10-35kv跌落式熔斷器
HRW10-35kv跌落式熔斷器
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一(yi)、概述 跌落式熔(rong)(rong)(rong)斷器(qi)(qi)及拉負荷(he)跌落式熔(rong)(rong)(rong)斷器(qi)(qi)是(shi)戶(hu)外高(gao)壓(ya)保護電(dian)器(qi)(qi)。它裝(zhuang)置在(zai)(zai)配電(dian)變壓(ya)器(qi)(qi)高(gao)壓(ya)側(ce)或(huo)配電(dian)線支干(gan)線路(lu)(lu)上、用(yong)作變壓(ya)器(qi)(qi)和(he)(he)線路(lu)(lu)的短路(lu)(lu)、過(guo)載保護及分(fen)(fen)、合負荷(he)電(dian)流。跌落式熔(rong)(rong)(rong)斷器(qi)(qi)由(you)(you)絕緣(yuan)支架(jia)和(he)(he)熔(rong)(rong)(rong)絲(si)管(guan)(guan)二部(bu)(bu)分(fen)(fen)組成(cheng)(cheng),靜觸頭安裝(zhuang)在(zai)(zai)絕緣(yuan)支架(jia)兩(liang)(liang)端,動觸頭安裝(zhuang)在(zai)(zai)熔(rong)(rong)(rong)絲(si)管(guan)(guan)兩(liang)(liang)端,熔(rong)(rong)(rong)絲(si)管(guan)(guan)由(you)(you)內(nei)層的消(xiao)弧管(guan)(guan)和(he)(he)外層的酚(fen)醛(quan)紙管(guan)(guan)或(huo)環氧玻璃布管(guan)(guan)組成(cheng)(cheng)。拉負荷(he)跌落式熔(rong)(rong)(rong)斷器(qi)(qi)增強(qiang)彈性輔助觸頭及滅弧罩,用(yong)以分(fen)(fen),合負荷(he)電(dian)流。 跌落式熔(rong)(rong)(rong)斷器(qi)(qi)在(zai)(zai)正(zheng)常(chang)運行時(shi),熔(rong)(rong)(rong)絲(si)管(guan)(guan)借助熔(rong)(rong)(rong)絲(si)張緊后(hou)形(xing)成(cheng)(cheng)閉合位(wei)置。當系統發生故障時(shi),故障電(dian)流時(shi)熔(rong)(rong)(rong)絲(si)迅速熔(rong)(rong)(rong)斷,并形(xing)成(cheng)(cheng)電(dian)弧,消(xiao)弧管(guan)(guan)受電(dian)弧灼熱,分(fen)(fen)解出(chu)大量的氣體,使館內(nei)形(xing)成(cheng)(cheng)很高(gao)壓(ya)力(li),并沿管(guan)(guan)道形(xing)成(cheng)(cheng)縱(zong)吹,電(dian)弧被迅速拉長(chang)而熄(xi)滅。熔(rong)(rong)(rong)絲(si)熔(rong)(rong)(rong)斷后(hou),下部(bu)(bu) …

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一、概述

    跌落(luo)式(shi)熔(rong)斷器及拉負荷(he)跌落(luo)式(shi)熔(rong)斷器是戶外高(gao)壓保護電器。它裝置在配電變壓器高(gao)壓側(ce)或配電線支干線路上、用作變壓器和(he)線路的(de)短(duan)路、過載保護及分(fen)、合負荷(he)電流(liu)。跌落(luo)式(shi)熔(rong)斷器由絕緣支架和(he)熔(rong)絲管(guan)二部分(fen)組(zu)成(cheng),靜(jing)觸頭安裝在絕緣支架兩端(duan),動觸頭安裝在熔(rong)絲管(guan)兩端(duan),熔(rong)絲管(guan)由內(nei)層的(de)消弧管(guan)和(he)外層的(de)酚(fen)醛(quan)紙管(guan)或環氧玻璃布管(guan)組(zu)成(cheng)。拉負荷(he)跌落(luo)式(shi)熔(rong)斷器增強彈(dan)性輔助觸頭及滅弧罩,用以分(fen),合負荷(he)電流(liu)。

    跌落式(shi)熔斷器在正常運行時(shi),熔絲管借(jie)助(zhu)熔絲張(zhang)緊后(hou)形成(cheng)閉合(he)位置。當系統發生故障時(shi),故障電(dian)(dian)(dian)流時(shi)熔絲迅速熔斷,并形成(cheng)電(dian)(dian)(dian)弧(hu)(hu)(hu),消弧(hu)(hu)(hu)管受電(dian)(dian)(dian)弧(hu)(hu)(hu)灼(zhuo)熱(re),分解出大(da)量的(de)(de)氣體,使館(guan)內形成(cheng)很高壓力(li),并沿(yan)管道(dao)形成(cheng)縱吹(chui),電(dian)(dian)(dian)弧(hu)(hu)(hu)被(bei)迅速拉長而熄滅。熔絲熔斷后(hou),下部(bu)動觸頭(tou)(tou)(tou)(tou)失去張(zhang)力(li)二下翻,鎖緊機(ji)械(xie),釋放(fang)熔絲管,熔絲管跌落,形成(cheng)明顯的(de)(de)開斷位置。當需要拉負(fu)荷時(shi),用絕(jue)緣桿(gan)拉開動觸頭(tou)(tou)(tou)(tou),此時(shi)主動、靜動觸頭(tou)(tou)(tou)(tou)仍然接(jie)觸,繼續用絕(jue)緣桿(gan)拉動觸頭(tou)(tou)(tou)(tou),輔(fu)助(zhu)觸頭(tou)(tou)(tou)(tou)也分離,在輔(fu)助(zhu)觸頭(tou)(tou)(tou)(tou)之(zhi)間產生電(dian)(dian)(dian)弧(hu)(hu)(hu),電(dian)(dian)(dian)弧(hu)(hu)(hu)在滅罩狹(xia)縫(feng)中被(bei)拉長,同時(shi)滅弧(hu)(hu)(hu)罩產生氣體,在電(dian)(dian)(dian)流過(guo)零時(shi),將電(dian)(dian)(dian)弧(hu)(hu)(hu)熄滅。


二、用途

    戶外(wai)高壓熔斷器適用(yong)于35kv及(ji)以(yi)下電壓頻率(lv)50Hz電力系統(tong)中,作輸(shu)電線(xian)路(lu)、電力變壓器過(guo)載和短路(lu)保護,分合額定負荷(he)電流只用(yong),機(ji)械壽命(ming)≥2000次(ci)。


三、使用條件

1.適用于環境溫度上(shang)限40℃,下(xia)限-30℃之內。

2.海拔不超過1000m,風速不大于35m/s

3.熔斷器不適用(yong)于下述場所

3.1有燃料或爆炸危險(xian)的(de)場所。

3.2有劇烈震(zhen)動或沖(chong)擊(ji)的場所(suo)。

3.3有異電化學氣(qi)體作用及嚴重(zhong)空氣(qi)污穢,煙霧地(di)區(qu)。


四、結構簡介

    熔(rong)斷器(qi)是由基座和消弧裝置兩大部(bu)分組成(cheng),滅(mie)弧管(guan)下端裝有(you)可能轉動(dong)的彈簧(huang)支架,始(shi)終使熔(rong)絲處于緊張狀態,以(yi)保證滅(mie)弧管(guan)在合閘位(wei)置的自(zi)鎖(suo),線(xian)路與(yu)變壓器(qi)過(guo)載或短路中,熔(rong)絲熔(rong)斷,熔(rong)絲迅速從滅(mie)弧管(guan)中抽出,滅(mie)弧管(guan)設(she)計為逐級排氣式解決在同一熔(rong)斷器(qi)上開斷大小電流的矛盾。


五(wu)、型(xing)號(hao)說明(ming)

HRW10-35kv跌落式熔斷器詳情1.jpg


六、主要技術(shu)參數

HRW10-35kv跌落式熔斷器詳情2.jpg

RW10-10F

HRW10-35kv跌落式熔斷器詳情5.jpg

HRW10-10F

型號

額定(ding)電壓kv

額定(ding)電流A

開斷電流kA

沖(chong)擊電壓BIL

工頻耐壓kv

RW10-10F/100

10

100

6.3

110

42

RW10-10F/200

10

200

12.5

110

42

 

型號

額定電壓kv

額定電流A

開斷電流kA

沖擊電壓(ya)BIL

工(gong)頻耐壓(ya)kv

HRW10-10F/100

10

100

6.3

110

42

HRW10-10F/200

10

200

12.5

110

42




七、外形及安裝尺寸

編號No.

部件名稱(cheng)

編號No.

部件(jian)名稱

1

背板

7

上觸頭

2

長螺(luo)桿

8

附屬(shu)鉤(gou)

3

安裝支架(jia)

9

操作(zuo)環

4

瓷件(或陶瓷絕(jue)緣子(zi))

10

熔絲管(guan)

5

接(jie)線座

11

套環(huan)接頭

6

上(shang)支(zhi)座

12

下支座