沃坤電(dian)氣(qi)集(ji)團(tuan)有限公司的(de)(de)真空(kong)(kong)斷(duan)路(lu)器(qi)(qi)的(de)(de)工作(zuo)(zuo)原理是：當動(dong)、靜觸(chu)頭(tou)(tou)(tou)在(zai)(zai)(zai)操作(zuo)(zuo)機構的(de)(de)作(zuo)(zuo)用(yong)(yong)下(xia)(xia)分(fen)閘時(shi)，觸(chu)頭(tou)(tou)(tou)間產(chan)生(sheng)電(dian)弧(hu)，觸(chu)頭(tou)(tou)(tou)表(biao)面(mian)在(zai)(zai)(zai)高溫(wen)下(xia)(xia)揮(hui)發出蒸汽(qi)，由(you)于觸(chu)頭(tou)(tou)(tou)設計為特殊形狀(zhuang)，在(zai)(zai)(zai)電(dian)流(liu)(liu)通過時(shi)產(chan)生(sheng)一磁場(chang)(chang)，電(dian)弧(hu)在(zai)(zai)(zai)此磁場(chang)(chang)作(zuo)(zuo)用(yong)(yong)下(xia)(xia)沿觸(chu)頭(tou)(tou)(tou)表(biao)面(mian)切線方向(xiang)快速運動(dong)，在(zai)(zai)(zai)金屬圓筒(tong)(屏蔽(bi)罩)上凝結(jie)了部分(fen)金屬蒸汽(qi)，電(dian)弧(hu)在(zai)(zai)(zai)自然過零時(shi)就熄滅了，觸(chu)頭(tou)(tou)(tou)間的(de)(de)介質(zhi)強(qiang)度又(you)迅速恢復(fu)起來。真空(kong)(kong)斷(duan)路(lu)器(qi)(qi)是3～10kV，50Hz三(san)相交流(liu)(liu)系統(tong)中的(de)(de)戶(hu)內配(pei)電(dian)裝置(zhi)，可供工礦(kuang)企業、發電(dian)廠(chang)、變電(dian)站中作(zuo)(zuo)為電(dian)器(qi)(qi)設備的(de)(de)保護和控制之(zhi)用(yong)(yong)，特別適用(yong)(yong)于要求(qiu)無油化(hua)、少檢修(xiu)及頻繁操作(zuo)(zuo)的(de)(de)使(shi)(shi)用(yong)(yong)場(chang)(chang)所(suo)，斷(duan)路(lu)器(qi)(qi)可配(pei)置(zhi)在(zai)(zai)(zai)中置(zhi)柜、雙層柜以及固(gu)定柜中作(zuo)(zuo)為控制和保護高壓(ya)電(dian)氣(qi)設備用(yong)(yong)。真空(kong)(kong)斷(duan)路(lu)器(qi)(qi)的(de)(de)使(shi)(shi)用(yong)(yong)注意事項(xiang)有哪(na)些呢？河北常規真空(kong)(kong)斷(duan)路(lu)器(qi)(qi)批發廠(chang)家

并(bing)(bing)(bing)已發(fa)展到(dao)電(dian)壓(ya)達35kV等(deng)級。80年代以前，真(zhen)(zhen)(zhen)空斷(duan)(duan)(duan)路(lu)(lu)(lu)(lu)(lu)器(qi)(qi)(qi)處于(yu)發(fa)展的(de)起步階段，技(ji)(ji)術上在(zai)不(bu)斷(duan)(duan)(duan)摸索，還不(bu)能制定(ding)技(ji)(ji)術標(biao)(biao)(biao)(biao)準(zhun)，直到(dao)1985年后(hou)才制定(ding)相關的(de)產(chan)品(pin)標(biao)(biao)(biao)(biao)準(zhun)。這里需(xu)要(yao)(yao)說明(ming)：IEC標(biao)(biao)(biao)(biao)準(zhun)中(zhong)并(bing)(bing)(bing)無與我國(guo)JB3855相對(dui)(dui)應的(de)專業使用(yong)的(de)標(biao)(biao)(biao)(biao)準(zhun)，只是套用(yong)《IEC56交流(liu)(liu)高(gao)壓(ya)斷(duan)(duan)(duan)路(lu)(lu)(lu)(lu)(lu)器(qi)(qi)(qi)》。因此，我國(guo)真(zhen)(zhen)(zhen)空斷(duan)(duan)(duan)路(lu)(lu)(lu)(lu)(lu)器(qi)(qi)(qi)的(de)標(biao)(biao)(biao)(biao)準(zhun)至少在(zai)下列(lie)幾(ji)個方面(mian)高(gao)于(yu)或嚴于(yu)IEC標(biao)(biao)(biao)(biao)準(zhun)：(1)絕緣(yuan)水(shui)(shui)平(ping)：試(shi)(shi)驗(yan)(yan)電(dian)壓(ya)IEC中(zhong)國(guo)1min工(gong)頻耐(nai)壓(ya)(kV)2842(極(ji)(ji)間、極(ji)(ji)對(dui)(dui)地(di))48(斷(duan)(duan)(duan)口間)(kV)7575(極(ji)(ji)間、極(ji)(ji)對(dui)(dui)地(di))84(斷(duan)(duan)(duan)口間)(2)電(dian)壽(shou)命試(shi)(shi)驗(yan)(yan)結束(shu)后(hou)真(zhen)(zhen)(zhen)空滅弧(hu)室斷(duan)(duan)(duan)口的(de)耐(nai)壓(ya)水(shui)(shui)平(ping)：IEC56中(zhong)無規(gui)定(ding)。我國(guo)JB3855一(yi)96規(gui)定(ding)為(wei)：完成電(dian)壽(shou)命次數(shu)(shu)(shu)(shu)試(shi)(shi)驗(yan)(yan)后(hou)的(de)真(zhen)(zhen)(zhen)空斷(duan)(duan)(duan)路(lu)(lu)(lu)(lu)(lu)器(qi)(qi)(qi)，其斷(duan)(duan)(duan)口間絕緣(yuan)能力應不(bu)低于(yu)初(chu)始絕緣(yuan)水(shui)(shui)平(ping)的(de)80%，即工(gong)頻。(3)觸頭合閘(zha)彈跳時間：IEC無規(gui)定(ding)，而(er)我國(guo)規(gui)定(ding)要(yao)(yao)求(qiu)不(bu)大(da)于(yu)2ms。(4)溫升(sheng)試(shi)(shi)驗(yan)(yan)的(de)試(shi)(shi)驗(yan)(yan)電(dian)流(liu)(liu)：IEC標(biao)(biao)(biao)(biao)準(zhun)中(zhong)，試(shi)(shi)驗(yan)(yan)電(dian)流(liu)(liu)就等(deng)于(yu)產(chan)品(pin)的(de)額定(ding)電(dian)流(liu)(liu)。我國(guo)DL403-91中(zhong)規(gui)定(ding)試(shi)(shi)驗(yan)(yan)電(dian)流(liu)(liu)為(wei)產(chan)品(pin)額定(ding)電(dian)流(liu)(liu)的(de)110%。2.真(zhen)(zhen)(zhen)空斷(duan)(duan)(duan)路(lu)(lu)(lu)(lu)(lu)器(qi)(qi)(qi)的(de)主要(yao)(yao)技(ji)(ji)術參數(shu)(shu)(shu)(shu)真(zhen)(zhen)(zhen)空斷(duan)(duan)(duan)路(lu)(lu)(lu)(lu)(lu)器(qi)(qi)(qi)的(de)參數(shu)(shu)(shu)(shu)，大(da)致可(ke)劃分為(wei)選(xuan)用(yong)參數(shu)(shu)(shu)(shu)和運(yun)行(xing)參數(shu)(shu)(shu)(shu)兩(liang)個方面(mian)。前者供(gong)用(yong)戶設計選(xuan)型時使用(yong)；后(hou)者則是斷(duan)(duan)(duan)路(lu)(lu)(lu)(lu)(lu)器(qi)(qi)(qi)本身的(de)機械特性(xing)或運(yun)動特性(xing)，為(wei)運(yun)行(xing)、調整(zheng)的(de)技(ji)(ji)術指標(biao)(biao)(biao)(biao)。下表是選(xuan)用(yong)參數(shu)(shu)(shu)(shu)的(de)列(lie)項(xiang)說明(ming)，并(bing)(bing)(bing)以三種真(zhen)(zhen)(zhen)空斷(duan)(duan)(duan)路(lu)(lu)(lu)(lu)(lu)器(qi)(qi)(qi)數(shu)(shu)(shu)(shu)據為(wei)例。表中(zhong)所列(lie)各(ge)項(xiang)參數(shu)(shu)(shu)(shu)。河北常規(gui)真(zhen)(zhen)(zhen)空斷(duan)(duan)(duan)路(lu)(lu)(lu)(lu)(lu)器(qi)(qi)(qi)批發(fa)廠(chang)家購買真(zhen)(zhen)(zhen)空斷(duan)(duan)(duan)路(lu)(lu)(lu)(lu)(lu)器(qi)(qi)(qi)廠(chang)家推薦沃坤電(dian)氣集團！

真空(kong)(kong)(kong)(kong)斷(duan)路器(qi)的(de)(de)(de)(de)VEB-12系列(lie)戶(hu)(hu)(hu)(hu)內(nei)高(gao)(gao)(gao)(gao)壓(ya)(ya)真空(kong)(kong)(kong)(kong)斷(duan)路器(qi)為額定(ding)電(dian)壓(ya)(ya)24KV、三相交(jiao)流50H2的(de)(de)(de)(de)戶(hu)(hu)(hu)(hu)內(nei)高(gao)(gao)(gao)(gao)壓(ya)(ya)開關設備，適用(yong)(yong)于發電(dian)廠、變電(dian)所及工礦企業等輸配電(dian)系統(tong)的(de)(de)(de)(de)控制或保護(hu)開關，尤其適用(yong)(yong)于高(gao)(gao)(gao)(gao)海(hai)拔地(di)區開斷(duan)重(zhong)要負荷及頻繁操(cao)作(zuo)(zuo)的(de)(de)(de)(de)場(chang)所。VEB-12系列(lie)戶(hu)(hu)(hu)(hu)內(nei)高(gao)(gao)(gao)(gao)壓(ya)(ya)真空(kong)(kong)(kong)(kong)斷(duan)路器(qi)的(de)(de)(de)(de)制造符合(he)我國國家標準(zhun)GB1984-2003《交(jiao)流高(gao)(gao)(gao)(gao)壓(ya)(ya)斷(duan)路器(qi)》、DLT403-2000《》以(yi)及相關的(de)(de)(de)(de)IEC標準(zhun)，并(bing)具有可(ke)(ke)靠(kao)聯鎖功能。VEB-12系列(lie)戶(hu)(hu)(hu)(hu)內(nei)高(gao)(gao)(gao)(gao)壓(ya)(ya)真空(kong)(kong)(kong)(kong)斷(duan)路器(qi)的(de)(de)(de)(de)操(cao)動(dong)(dong)機(ji)(ji)構為彈簧儲(chu)能式(shi)，可(ke)(ke)以(yi)用(yong)(yong)交(jiao)、直流儲(chu)能操(cao)作(zuo)(zuo)，也(ye)可(ke)(ke)用(yong)(yong)手動(dong)(dong)操(cao)作(zuo)(zuo)。VEB-12系列(lie)戶(hu)(hu)(hu)(hu)內(nei)高(gao)(gao)(gao)(gao)壓(ya)(ya)真空(kong)(kong)(kong)(kong)斷(duan)路器(qi)同時能配長壽命(ming)的(de)(de)(de)(de)永磁操(cao)動(dong)(dong)機(ji)(ji)構，機(ji)(ji)械壽命(ming)能達6萬次，可(ke)(ke)用(yong)(yong)于極其頻繁操(cao)作(zuo)(zuo)的(de)(de)(de)(de)場(chang)臺。VEB-12系列(lie)戶(hu)(hu)(hu)(hu)內(nei)高(gao)(gao)(gao)(gao)壓(ya)(ya)真空(kong)(kong)(kong)(kong)斷(duan)路器(qi)的(de)(de)(de)(de)設計成前后分裝(zhuang)(zhuang)的(de)(de)(de)(de)結構形(xing)式(shi)，既可(ke)(ke)用(yong)(yong)作(zuo)(zuo)固定(ding)安裝(zhuang)(zhuang)的(de)(de)(de)(de)單(dan)元，也(ye)可(ke)(ke)與底盤車配裝(zhuang)(zhuang)成中置(zhi)式(shi)單(dan)元使(shi)用(yong)(yong)。正常使(shi)用(yong)(yong)條(tiao)件1、海(hai)拔高(gao)(gao)(gao)(gao)度(du):低(di)于1000m。2、環境溫度(du):較高(gao)(gao)(gao)(gao)40C，較低(di)-15C。3、相對濕度(du):日平均值(zhi)不(bu)大(da)于95%，日平均值(zhi)不(bu)大(da)干90%。4、地(di)震裂度(du):低(di)于8級(ji)。5、沒有火災、易燃(ran)、易爆、嚴重(zhong)污(wu)穢(hui)、化學腐蝕及劇烈振(zhen)動(dong)(dong)場(chang)所。沃坤電(dian)氣集團有限(xian)公司(si)堅守“客戶(hu)(hu)(hu)(hu)滿意”的(de)(de)(de)(de)經(jing)營理念，創造性的(de)(de)(de)(de)為客戶(hu)(hu)(hu)(hu)提供有價值(zhi)的(de)(de)(de)(de)服務(wu)，歡迎各界朋友蒞臨參觀(guan)、指(zhi)導和業務(wu)洽談！

沃(wo)坤(kun)電(dian)氣集(ji)團(tuan)有限公司的(de)(de)真空斷路(lu)器的(de)(de)工(gong)作(zuo)(zuo)原理是：當(dang)動(dong)、靜觸(chu)(chu)頭(tou)在(zai)操作(zuo)(zuo)機構(gou)的(de)(de)作(zuo)(zuo)用(yong)(yong)(yong)下分閘時(shi)，觸(chu)(chu)頭(tou)間(jian)產生電(dian)弧(hu)(hu)，觸(chu)(chu)頭(tou)表(biao)面在(zai)高溫下揮發出(chu)蒸(zheng)汽，由于(yu)觸(chu)(chu)頭(tou)設計為(wei)特殊形狀，在(zai)電(dian)流通過(guo)時(shi)產生一磁場，電(dian)弧(hu)(hu)在(zai)此磁場作(zuo)(zuo)用(yong)(yong)(yong)下沿觸(chu)(chu)頭(tou)表(biao)面切線方向快速運動(dong)，在(zai)金屬圓筒(tong)(屏蔽罩(zhao))上凝結了部(bu)分金屬蒸(zheng)汽，電(dian)弧(hu)(hu)在(zai)自然過(guo)零(ling)時(shi)就熄滅了，觸(chu)(chu)頭(tou)間(jian)的(de)(de)介質強(qiang)度又(you)迅速恢復(fu)起來。真空斷路(lu)器是3～10kV，50Hz三相交流系(xi)統(tong)中的(de)(de)戶(hu)內配電(dian)裝(zhuang)置，可供工(gong)礦企業、發電(dian)廠(chang)、變電(dian)站(zhan)中作(zuo)(zuo)為(wei)電(dian)器設備的(de)(de)保護和控(kong)制(zhi)之用(yong)(yong)(yong)，特別適(shi)用(yong)(yong)(yong)于(yu)要求(qiu)無(wu)油化、少檢修及(ji)頻繁操作(zuo)(zuo)的(de)(de)使用(yong)(yong)(yong)場所，斷路(lu)器可配置在(zai)中置柜(ju)、雙層柜(ju)以及(ji)固(gu)定柜(ju)中作(zuo)(zuo)為(wei)控(kong)制(zhi)和保護高壓電(dian)氣設備用(yong)(yong)(yong)。沃(wo)坤(kun)電(dian)氣集(ji)團(tuan)有限公司愿與您真誠攜(xie)手，共創偉業！歡迎廣大客戶(hu)來人、來函(han)垂詢。口(kou)碑推(tui)薦真空斷路(lu)器廠(chang)家沃(wo)坤(kun)電(dian)氣集(ji)團(tuan)。

所以(yi)，要保持真(zhen)(zhen)空(kong)(kong)(kong)(kong)滅弧(hu)(hu)室的(de)絕緣(yuan)強(qiang)度(du)，其(qi)(qi)真(zhen)(zhen)空(kong)(kong)(kong)(kong)度(du)應不(bu)(bu)低(di)于(yu)(yu)10-4Pa。但是在(zai)(zai)使用(yong)和維(wei)護(hu)(hu)過(guo)(guo)(guo)程(cheng)中也應注意(yi)幾個問題(ti)。沃坤(kun)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣集團有(you)(you)限公司來介紹真(zhen)(zhen)空(kong)(kong)(kong)(kong)斷(duan)(duan)路器(qi)(qi)一、使用(yong)和維(wei)護(hu)(hu)中應注意(yi)的(de)問題(ti)：1．過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)保護(hu)(hu)。由(you)于(yu)(yu)真(zhen)(zhen)空(kong)(kong)(kong)(kong)斷(duan)(duan)路器(qi)(qi)開(kai)(kai)斷(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)較小(xiao)，特(te)(te)別是開(kai)(kai)斷(duan)(duan)空(kong)(kong)(kong)(kong)載變壓(ya)(ya)(ya)(ya)器(qi)(qi)勵磁電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)等小(xiao)感性電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)時，往(wang)往(wang)會(hui)出(chu)(chu)現(xian)截流(liu)而產(chan)(chan)(chan)生(sheng)截流(liu)過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)，并且截流(liu)值越(yue)大，產(chan)(chan)(chan)生(sheng)的(de)過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)越(yue)高。另外(wai)，真(zhen)(zhen)空(kong)(kong)(kong)(kong)斷(duan)(duan)路器(qi)(qi)在(zai)(zai)開(kai)(kai)斷(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)器(qi)(qi)組的(de)容(rong)性電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)時，也很難(nan)達到可(ke)對(dui)無電(dian)(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)重(zhong)(zhong)燃(ran)(ran)，一旦出(chu)(chu)現(xian)重(zhong)(zhong)燃(ran)(ran)，也會(hui)產(chan)(chan)(chan)生(sheng)重(zhong)(zhong)燃(ran)(ran)過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)。對(dui)于(yu)(yu)截流(liu)或者重(zhong)(zhong)燃(ran)(ran)過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)，常(chang)用(yong)的(de)防(fang)護(hu)(hu)措施(shi)如下(xia)：(1)降低(di)截流(liu)值：從根(gen)本上(shang)降低(di)截流(liu)過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)。適當加大觸頭開(kai)(kai)距，以(yi)抑制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)弧(hu)(hu)重(zhong)(zhong)燃(ran)(ran)過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)。(2)裝(zhuang)設R—C吸收器(qi)(qi)。若電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻及電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)參數(shu)選擇合適，既可(ke)降低(di)過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)幅值，又可(ke)減緩過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)的(de)上(shang)升(sheng)陡度(du)。一般(ban)每相電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)值取01～02μF，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻值取100～200Ω，功(gong)率不(bu)(bu)小(xiao)于(yu)(yu)200W。這是常(chang)用(yong)的(de)一種方法(fa)。(3)采(cai)用(yong)氧化鋅避雷器(qi)(qi)MOA。MOA實際上(shang)是一個非線性壓(ya)(ya)(ya)(ya)敏電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻，在(zai)(zai)工作電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)下(xia)呈極大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻，漏電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)為微安(μA)級，不(bu)(bu)影響電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網運行。過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)時，其(qi)(qi)阻值劇降并呈穩(wen)壓(ya)(ya)(ya)(ya)特(te)(te)性，一般(ban)可(ke)將過(guo)(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)限制(zhi)在(zai)(zai)2倍(bei)相電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)以(yi)下(xia)，且閥片(pian)間有(you)(you)一定電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)量，對(dui)殘壓(ya)(ya)(ya)(ya)的(de)突變有(you)(you)抑制(zhi)作用(yong)。2、真(zhen)(zhen)空(kong)(kong)(kong)(kong)滅弧(hu)(hu)室真(zhen)(zhen)空(kong)(kong)(kong)(kong)度(du)的(de)檢測。購(gou)買(mai)真(zhen)(zhen)空(kong)(kong)(kong)(kong)斷(duan)(duan)路器(qi)(qi)推薦(jian)沃坤(kun)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣集團。山西節能(neng)真(zhen)(zhen)空(kong)(kong)(kong)(kong)斷(duan)(duan)路器(qi)(qi)銷售)

沃坤電氣集團(tuan)的(de)真(zhen)空斷(duan)路器(qi)是一種高可靠(kao)性、高斷(duan)電能力(li)、長壽(shou)命、小型(xing)化設(she)計(ji)、操作(zuo)簡(jian)便。河北常規真(zhen)空斷(duan)路器(qi)批(pi)發廠家(jia)

動(dong)(dong)(dong)(dong)觸(chu)(chu)(chu)(chu)頭(tou)(tou)在(zai)大(da)氣壓(ya)作(zuo)用(yong)下(xia)，對(dui)內腔產生一(yi)(yi)個閉(bi)合(he)(he)(he)力(li)(li)(li)(li)(li)(li)(li)使(shi)(shi)其與靜觸(chu)(chu)(chu)(chu)頭(tou)(tou)閉(bi)合(he)(he)(he)，稱(cheng)之(zhi)為自閉(bi)力(li)(li)(li)(li)(li)(li)(li)，其大(da)小取決于(yu)波紋(wen)管的(de)(de)(de)(de)(de)(de)端(duan)口直徑(jing)。滅(mie)弧室在(zai)工作(zuo)狀(zhuang)態時(shi)(shi)，這(zhe)個力(li)(li)(li)(li)(li)(li)(li)太(tai)(tai)小不(bu)能保(bao)(bao)證(zheng)動(dong)(dong)(dong)(dong)靜觸(chu)(chu)(chu)(chu)頭(tou)(tou)間(jian)良好的(de)(de)(de)(de)(de)(de)電接(jie)(jie)觸(chu)(chu)(chu)(chu)，必須施加一(yi)(yi)個外(wai)加壓(ya)力(li)(li)(li)(li)(li)(li)(li)。這(zhe)個外(wai)加壓(ya)力(li)(li)(li)(li)(li)(li)(li)和自閉(bi)力(li)(li)(li)(li)(li)(li)(li)之(zhi)和稱(cheng)為觸(chu)(chu)(chu)(chu)頭(tou)(tou)的(de)(de)(de)(de)(de)(de)接(jie)(jie)觸(chu)(chu)(chu)(chu)壓(ya)力(li)(li)(li)(li)(li)(li)(li)。這(zhe)個接(jie)(jie)觸(chu)(chu)(chu)(chu)壓(ya)力(li)(li)(li)(li)(li)(li)(li)有如(ru)下(xia)幾個作(zuo)用(yong)：(1)保(bao)(bao)證(zheng)動(dong)(dong)(dong)(dong)、靜觸(chu)(chu)(chu)(chu)頭(tou)(tou)的(de)(de)(de)(de)(de)(de)良好接(jie)(jie)觸(chu)(chu)(chu)(chu)，并使(shi)(shi)其接(jie)(jie)觸(chu)(chu)(chu)(chu)電阻少(shao)于(yu)規定(ding)值。(2)滿(man)足(zu)額(e)定(ding)短(duan)路(lu)(lu)狀(zhuang)態時(shi)(shi)的(de)(de)(de)(de)(de)(de)動(dong)(dong)(dong)(dong)穩定(ding)要(yao)求(qiu)(qiu)。應使(shi)(shi)觸(chu)(chu)(chu)(chu)頭(tou)(tou)壓(ya)力(li)(li)(li)(li)(li)(li)(li)大(da)于(yu)額(e)定(ding)短(duan)路(lu)(lu)狀(zhuang)態時(shi)(shi)的(de)(de)(de)(de)(de)(de)觸(chu)(chu)(chu)(chu)頭(tou)(tou)間(jian)的(de)(de)(de)(de)(de)(de)斥力(li)(li)(li)(li)(li)(li)(li)，以保(bao)(bao)證(zheng)在(zai)該狀(zhuang)態下(xia)的(de)(de)(de)(de)(de)(de)完(wan)全閉(bi)合(he)(he)(he)和不(bu)受(shou)損壞。(3)抑制(zhi)合(he)(he)(he)閘(zha)彈跳。使(shi)(shi)觸(chu)(chu)(chu)(chu)頭(tou)(tou)在(zai)閉(bi)會碰撞(zhuang)(zhuang)時(shi)(shi)得以緩沖，把碰撞(zhuang)(zhuang)的(de)(de)(de)(de)(de)(de)動(dong)(dong)(dong)(dong)能轉(zhuan)為彈興(xing)的(de)(de)(de)(de)(de)(de)勢能，抑制(zhi)觸(chu)(chu)(chu)(chu)頭(tou)(tou)的(de)(de)(de)(de)(de)(de)彈跳。(4)為分閘(zha)提(ti)(ti)供一(yi)(yi)個加速力(li)(li)(li)(li)(li)(li)(li)。當(dang)接(jie)(jie)觸(chu)(chu)(chu)(chu)壓(ya)力(li)(li)(li)(li)(li)(li)(li)大(da)時(shi)(shi)，動(dong)(dong)(dong)(dong)觸(chu)(chu)(chu)(chu)頭(tou)(tou)得到較大(da)的(de)(de)(de)(de)(de)(de)分閘(zha)力(li)(li)(li)(li)(li)(li)(li)，容易拉斷(duan)會鬧(nao)熔焊(han)點，提(ti)(ti)高(gao)分閘(zha)初(chu)始(shi)的(de)(de)(de)(de)(de)(de)加速度(du)，減少(shao)燃弧時(shi)(shi)間(jian)，提(ti)(ti)高(gao)分斷(duan)能力(li)(li)(li)(li)(li)(li)(li)。觸(chu)(chu)(chu)(chu)頭(tou)(tou)接(jie)(jie)觸(chu)(chu)(chu)(chu)壓(ya)力(li)(li)(li)(li)(li)(li)(li)是(shi)一(yi)(yi)個很重要(yao)的(de)(de)(de)(de)(de)(de)參數，在(zai)產品的(de)(de)(de)(de)(de)(de)初(chu)始(shi)設計中要(yao)經過多(duo)次驗(yan)(yan)證(zheng)、試驗(yan)(yan)才選(xuan)取得比較合(he)(he)(he)適。如(ru)觸(chu)(chu)(chu)(chu)頭(tou)(tou)壓(ya)力(li)(li)(li)(li)(li)(li)(li)選(xuan)得太(tai)(tai)小，滿(man)足(zu)不(bu)了上(shang)述各方面的(de)(de)(de)(de)(de)(de)要(yao)求(qiu)(qiu)；但(dan)觸(chu)(chu)(chu)(chu)頭(tou)(tou)壓(ya)力(li)(li)(li)(li)(li)(li)(li)太(tai)(tai)大(da)，一(yi)(yi)方面需要(yao)增大(da)合(he)(he)(he)閘(zha)操作(zuo)功，另(ling)外(wai)滅(mie)弧室和整機的(de)(de)(de)(de)(de)(de)機械強(qiang)度(du)要(yao)求(qiu)(qiu)也需要(yao)提(ti)(ti)高(gao)，技術(shu)上(shang)不(bu)經濟。接(jie)(jie)觸(chu)(chu)(chu)(chu)行程(cheng)(cheng)(或(huo)稱(cheng)壓(ya)縮(suo)行程(cheng)(cheng))目前真(zhen)空(kong)斷(duan)路(lu)(lu)器毫無例外(wai)地采用(yong)對(dui)接(jie)(jie)式接(jie)(jie)觸(chu)(chu)(chu)(chu)方式。動(dong)(dong)(dong)(dong)觸(chu)(chu)(chu)(chu)頭(tou)(tou)碰上(shang)靜觸(chu)(chu)(chu)(chu)頭(tou)(tou)之(zhi)后就不(bu)能再前進(jin)了。河(he)北常規真(zhen)空(kong)斷(duan)路(lu)(lu)器批發廠家(jia)

本文(wen)來自沈陽喜納(na)多采暖工程有限(xian)公司：//zjlong.cn/Article/6b399661.html