一、三相組合式過電壓保護器是避雷器嗎
三相組(zu)合(he)(he)式過電(dian)(dian)(dian)(dian)(dian)壓(ya)保護(hu)(hu)器(qi)(三相組(zu)合(he)(he)式避雷(lei)器(qi))是(shi)用于保護(hu)(hu)電(dian)(dian)(dian)(dian)(dian)力(li)設備絕(jue)緣(yuan)免(mian)受(shou)(shou)過電(dian)(dian)(dian)(dian)(dian)壓(ya)危害(hai)的(de)保護(hu)(hu)電(dian)(dian)(dian)(dian)(dian)器(qi),是(shi)一種的(de)避雷(lei)器(qi),其特點在限(xian)制相地(di)之間過電(dian)(dian)(dian)(dian)(dian)壓(ya)的(de)同時,又對相間過電(dian)(dian)(dian)(dian)(dian)壓(ya)進行有效地(di)限(xian)制,這是(shi)普通避雷(lei)器(qi)無法做到的(de)。應用于保護(hu)(hu)真空開(kai)關,旋轉電(dian)(dian)(dian)(dian)(dian)機,并(bing)聯(lian)補償電(dian)(dian)(dian)(dian)(dian)容(rong)器(qi),發電(dian)(dian)(dian)(dian)(dian)廠,變電(dian)(dian)(dian)(dian)(dian)站(zhan)等(deng)等(deng),這種組(zu)合(he)(he)保護(hu)(hu)器(qi)內部(bu)采(cai)用了(le)大容(rong)量(liang)氧化鋅電(dian)(dian)(dian)(dian)(dian)阻片作為主(zhu)要元件,它(ta)具有良好的(de)伏(fu)安特性(xing)和吸(xi)收過電(dian)(dian)(dian)(dian)(dian)壓(ya)的(de)能力(li),對保護(hu)(hu)設備能提供可靠的(de)保護(hu)(hu),深受(shou)(shou)電(dian)(dian)(dian)(dian)(dian)力(li)系統的(de)歡迎。
二、三相組合式過電壓保護器的結構特點
前文已經簡單了解到了三(san)相組合式過電壓(ya)(ya)保護器是一(yi)種新型的避(bi)雷器,那么(me)三(san)相組合式過電壓(ya)(ya)保護器的結(jie)構特(te)點有哪些么(me)?
1、結構新穎(ying)獨特,四元(yuan)件星形接法,技術(shu)性能優異(yi),絕緣耐高壓(ya),極(ji)大地利用和縮(suo)減了(le)使(shi)用空間(jian)。
2、復合外套(tao)整體模(mo)壓,具(ju)有良好(hao)的密封、防(fang)爆、防(fang)潮性能,抗(kang)漏痕、抗(kang)電蝕,耐污,憎水性好(hao)。
3、高壓電纜接線,保證絕緣(yuan)強度(du),安裝(zhuang)靈活。
4、體積小,重(zhong)量輕,節省占(zhan)地,特(te)別適合在各種開關柜內安(an)(an)裝(zhuang)(既可(ke)垂直安(an)(an)裝(zhuang),也可(ke)水平安(an)(an)裝(zhuang))。
三、三相組合式過電壓保護器的使用條件
1、海拔高度不(bu)大(da)于(yu)2000M。
2、環境溫度:-40℃~+40℃。
3、電源頻率(lv):48Hz~62Hz。
4、長期施加在(zai)保護(hu)器(qi)上(shang)的(de)工(gong)頻電壓不超過(guo)保護(hu)器(qi)的(de)持續運行電壓。
5、風(feng)速不超過35m/s。
6、地震裂度(du)7度(du)及以下地區。