簡(jian)要描述:四川(chuan)曙辰電(dian)(dian)氣設(she)備有限公(gong)司生產(chan)的(de)ZW32-12/630A看門狗真空斷(duan)路(lu)器(qi)(俗稱看門狗),重(zhong)要用(yong)來開斷(duan)關(guan)合(he)農網、城網和小型(xing)電(dian)(dian)力(li)體系的(de)負(fu)荷電(dian)(dian)流(liu),過載電(dian)(dian)流(liu)、短路(lu)電(dian)(dian)流(liu)。該產(chan)物(wu)總體布局為三(san)相極柱式,三(san)相真空滅弧(hu)室置于固(gu)封(feng)極柱內,利用(yong)絕緣(yuan)質料相間絕緣(yuan)及對地絕緣(yuan),性能(neng)(neng)可靠,絕緣(yuan)強度高(gao)。重(zhong)合(he)器(qi)型(xing)智能(neng)(neng)斷(duan)路(lu)器(qi)。根本(ben)型(xing)與重(zhong)合(he)控(kong)制器(qi)配符實(shi)用(yong)于易取電(dian)(dian)源的(de)場(chang)合(he)
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ZW32-12/630A看門狗真空斷路器
ZW32-12F/630-20 ZW32-12C/630-20
ZW32-12/630A看門狗真空斷路器(俗稱看門狗),重要用(yong)來開斷(duan)關合(he)農網、城網和小型(xing)電(dian)(dian)力體系的負荷電(dian)(dian)流,過載電(dian)(dian)流、短路電(dian)(dian)流。該產物(wu)總體布局為三相極柱(zhu)式,三相真空滅弧室置于(yu)固封(feng)極柱(zhu)內,利用(yong)絕緣(yuan)質料相間絕緣(yuan)及對地絕緣(yuan),性能可靠(kao),絕緣(yuan)強度(du)高。重合(he)器(qi)(qi)型(xing)智能斷(duan)路器(qi)(qi)。根本型(xing)與重合(he)控制(zhi)(zhi)器(qi)(qi)配(pei)符實用(yong)于(yu)易取電(dian)(dian)源的場合(he),PT型(xing)與重合(he)控制(zhi)(zhi)器(qi)(qi)配(pei)符實用(yong)于(yu)無電(dian)(dian)源的場合(he),智能斷(duan)路器(qi)(qi)實用(yong)于(yu)輻射(she)型(xing)供(gong)(gong)電(dian)(dian)及環網供(gong)(gong)電(dian)(dian)體系,資助體系消除瞬時(shi)妨礙,主動(dong)規復供(gong)(gong)電(dian)(dian),也(ye)可斷(duan)絕永世妨礙,實現配(pei)網主動(dong)化。
智(zhi)能斷路用具備1~3次(ci)重(zhong)合閘(zha)成(cheng)果,且重(zhong)合器(qi)參數可(ke)以(yi)整定;
智能斷路用具備合閘涌流控制、過流掩(yan)護和短路速斷三段復合掩(yan)護的成果(guo),且參數可以(yi)連續整(zheng)定;
智能斷(duan)路(lu)用具備小電流接地掩護成果,且參(can)數可(ke)以連續整定;
智能(neng)斷(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)既可(ke)以實現(xian)有(you)(you)線(xian)遠(yuan)方控(kong)制,也可(ke)在桿下(xia)(xia)無(wu)線(xian)遙控(kong)。用(yong)(yong)于(yu)交(jiao)換50Hz,電(dian)(dian)(dian)壓10~12kV的三相電(dian)(dian)(dian)力體系,作為(wei)分斷(duan)(duan)(duan)(duan)(duan),關合負荷(he)(he)電(dian)(dian)(dian)流(liu)之用(yong)(yong),它具有(you)(you)過載(zai)及短路(lu)(lu)(lu)掩護(hu)成(cheng)(cheng)果(guo),速斷(duan)(duan)(duan)(duan)(duan)掩護(hu)成(cheng)(cheng)果(guo),定時限延時掩護(hu)成(cheng)(cheng)果(guo),主動重(zhong)合閘成(cheng)(cheng)果(guo),還可(ke)根據用(yong)(yong)戶必要配裝(zhuang)(zhuang)避雷器(qi)或(huo)斷(duan)(duan)(duan)(duan)(duan)絕開(kai)關(即(ji)斷(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)與斷(duan)(duan)(duan)(duan)(duan)絕開(kai)關組(zu)合,以下(xia)(xia)簡稱"組(zu)合智能(neng)型斷(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)")等.該智能(neng)型斷(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)自備(bei)電(dian)(dian)(dian)源,可(ke)就近遙控(kong)操(cao)縱(zong),備(bei)有(you)(you)CT,PT接口,可(ke)滿意(yi)遙測要求. 斷(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)有(you)(you)滅弧裝(zhuang)(zhuang)置,故斷(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)可(ke)以或(huo)許帶負荷(he)(he)操(cao)縱(zong),不(bu)但(dan)能(neng)操(cao)縱(zong)負荷(he)(he)電(dian)(dian)(dian)流(liu),還能(neng)操(cao)縱(zong)妨礙(短路(lu)(lu)(lu))電(dian)(dian)(dian)流(liu);斷(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)器(qi)有(you)(you)精良(liang)的封裝(zhuang)(zhuang)情勢,故單純觀(guan)察(cha)斷(duan)(duan)(duan)(duan)(duan)路(lu)(lu)(lu)器(qi),不(bu)能(neng)直觀(guan)地(di)確(que)定其是處在閉(bi)合或(huo)斷(duan)(duan)(duan)(duan)(duan)開(kai)位置。
斷(duan)絕開(kai)(kai)關沒有滅弧裝置,固然規程規定其可以操縱(zong)于(yu)負(fu)(fu)荷(he)電流小于(yu)5A的場合,但其總體屬于(yu)不能帶負(fu)(fu)荷(he)操縱(zong);但斷(duan)絕開(kai)(kai)關布(bu)局簡單,從表面上能一(yi)眼看出其運行狀(zhuang)態,查驗時有顯著斷(duan)開(kai)(kai)點。
斷路器在利用中(zhong)簡稱(cheng)為“開關”,斷絕開關在利用中(zhong)簡稱(cheng)為“刀閘”,二者常連(lian)合利用。
線路(lu)掩護設置相對簡單
變電(dian)(dian)站(zhan)10 kV傾軋(ya)線(xian)路掩(yan)(yan)(yan)護(hu)一樣平常(chang)只設置(zhi)過流、速斷(duan)、重合閘掩(yan)(yan)(yan)護(hu),在(zai)(zai)小電(dian)(dian)阻接地體系中(zhong)再設置(zhi)兩段零(ling)序(xu)掩(yan)(yan)(yan)護(hu)。因此,為包管繼電(dian)(dian)掩(yan)(yan)(yan)護(hu)的選(xuan)(xuan)擇(ze)性和(he)靈敏性,就必須使整條線(xian)路都處在(zai)(zai)掩(yan)(yan)(yan)護(hu)范疇之(zhi)內(nei),要求線(xian)路末了妨礙時,掩(yan)(yan)(yan)護(hu)應有充足的靈敏度(du)。如許,就會由于一處妨礙造玉成線(xian)停電(dian)(dian),并且線(xian)路上下級(ji)掩(yan)(yan)(yan)護(hu)呈蹊徑性相互(hu)共(gong)同,在(zai)(zai)線(xian)路末了已經沒有掩(yan)(yan)(yan)護(hu)級(ji)差時間,只能失去(qu)選(xuan)(xuan)擇(ze)性妨礙掉(diao)閘而致使全線(xian)掉(diao)閘。
差別的10 kV接地方法
對付(fu)(fu)消弧線(xian)圈接地(di)體系,10 kV配(pei)電線(xian)路(lu)產(chan)生線(xian)路(lu)單相接地(di)妨礙時不掉閘(zha),只發接地(di)信號。對付(fu)(fu)小電阻接地(di)體系,10 kV配(pei)電線(xian)路(lu)設(she)置零序掩護,單相接地(di)妨礙時掉閘(zha)。
10 kV饋線(xian)傾軋線(xian)路妨礙率高、可靠(kao)性差,10 kV饋線(xian)的妨礙率高,可靠(kao)性差。
隨著用(yong)戶對寂靜供(gong)電的可靠性要(yao)求越來(lai)越高, 安裝帶有微機掩護測控,以及通訊模塊融為(wei)一體的用(yong)戶分界開(kai)關,成為(wei)辦理配電網上述題(ti)目的有效要(yao)領之(zhi)一。
分界斷路器的性能和重要作用
我公司(si)的分界斷(duan)路器其(qi)重要成果:運行中主動(dong)斷(duan)開(kai)用戶側相間(jian)短路妨礙、主動(dong)切(qie)除用戶側接地(di)妨礙,并(bing)可用于操縱(zong)斷(duan)開(kai)妨礙電(dian)流.
分界(jie)斷路器(qi)帶有(you)一套(tao)(tao)外置電(dian)壓互感(gan)器(qi)、一套(tao)(tao)內置電(dian)流(liu)互感(gan)器(qi);有(you)CPU內部(bu)處理懲罰器(qi)和通(tong)訊模塊(kuai);妨礙跳(tiao)閘(zha)時(shi)帶有(you)電(dian)壓判定和妨礙影象;具備跳(tiao)閘(zha)閉鎖成果。
分界斷(duan)路器(qi)實用于10 kV中性點(dian)不接地(di)、經消(xiao)弧線圈(quan)接地(di)或經低(di)電阻接地(di)體系的10 kV傾軋配電線路與用戶(hu)(含臨時用戶(hu))的分界。
主動切除單相接地妨礙
當用戶(hu)支(zhi)線(xian)產生單相接地妨(fang)礙(ai)時(shi),分(fen)界開關主動分(fen)閘,拋棄(qi)妨(fang)礙(ai)支(zhi)線(xian),包管(guan)變電(dian)站及饋線(xian)上的(de)別的(de)分(fen)支(zhi)用戶(hu)寂(ji)靜運行。
主(zhu)動斷開相(xiang)間短(duan)路妨(fang)礙
當用戶(hu)(hu)支線產(chan)生相間(jian)短路妨(fang)礙時,分界斷路器立即(ji)分閘(zha)拋棄妨(fang)礙線路。妨(fang)礙線路被斷絕,使饋線上的別的分支用戶(hu)(hu)敏捷規復供電。
快速定位妨礙點
用戶支線妨礙(ai)造因素界(jie)開關舉措后,僅責任用戶停電(dian),并(bing)可主(zhu)動上報(bao)妨礙(ai)信(xin)息,使電(dian)力公司能敏捷明白變亂點,及時舉行現場處(chu)理懲罰,使妨礙(ai)線路(lu)盡(jin)早規復供(gong)電(dian)。
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