一、高低壓成套設備是什么
高壓成套設備(高(gao)壓(ya)配(pei)電(dian)(dian)(dian)柜)是(shi)指在電(dian)(dian)(dian)壓(ya)3kV及(ji)以上,頻(pin)率50Hz及(ji)以下的(de)(de)電(dian)(dian)(dian)力(li)系統(tong)中運行(xing)(xing)的(de)(de)戶內和戶外交流開關設(she)備(bei)(bei)(bei)。主要用于電(dian)(dian)(dian)力(li)系統(tong)(包括(kuo)發電(dian)(dian)(dian)廠、變電(dian)(dian)(dian)站、輸(shu)配(pei)電(dian)(dian)(dian)線(xian)(xian)路(lu)和工(gong)礦企業等用戶)的(de)(de)控制(zhi)和保(bao)護,既可根據電(dian)(dian)(dian)網(wang)運行(xing)(xing)需(xu)要將一部分(fen)電(dian)(dian)(dian)力(li)設(she)備(bei)(bei)(bei)或線(xian)(xian)路(lu)投入或退出運行(xing)(xing),也可在電(dian)(dian)(dian)力(li)設(she)備(bei)(bei)(bei)或線(xian)(xian)路(lu)發生故障(zhang)時(shi)將故障(zhang)部分(fen)從(cong)電(dian)(dian)(dian)網(wang)快速切(qie)除,從(cong)而保(bao)證電(dian)(dian)(dian)網(wang)中無故障(zhang)部分(fen)的(de)(de)正常(chang)運行(xing)(xing)及(ji)設(she)備(bei)(bei)(bei)、運行(xing)(xing)維修人(ren)員的(de)(de)安全。因此,高(gao)壓(ya)成套(tao)設(she)備(bei)(bei)(bei)是(shi)非常(chang)重要的(de)(de)輸(shu)配(pei)電(dian)(dian)(dian)設(she)備(bei)(bei)(bei),其(qi)安全、可靠(kao)運行(xing)(xing)對電(dian)(dian)(dian)力(li)系統(tong)的(de)(de)安全、有效運行(xing)(xing)具有十分(fen)重要的(de)(de)意義。
低(di)壓成套設(she)備(bei)是(shi)指380V及以下(xia)電(dian)壓等級中使(shi)用(yong)的成套設(she)備(bei)。后者是(shi)從安全角(jiao)度(du)來考慮(lv)的,但二者并不矛盾,因為在發配(pei)電(dian)系(xi)統中,低(di)壓電(dian)器是(shi)指380V配(pei)電(dian)系(xi)統,因此,在實際工作中,低(di)壓成套是(shi)指380V及以下(xia)電(dian)壓等級中使(shi)用(yong)的電(dian)器設(she)備(bei)。
二、高低壓成套設備包括哪些
高低壓成套設(she)備有:金屬封(feng)閉(bi)開(kai)關(guan)設(she)備(開(kai)關(guan)柜(ju))、氣體絕(jue)緣金屬封(feng)閉(bi)開(kai)關(guan)設(she)備(GIS)和高壓/低壓預裝(zhuang)式變電站、低壓開(kai)關(guan)柜(ju),配電盤(pan),控制(zhi)箱,開(kai)關(guan)箱等(deng)電氣設(she)備。
1、高壓成套設備按(an)其功能(neng)和作用的不同,可(ke)以分為:
(1)元件(jian)及其組(zu)合(he):包括斷(duan)(duan)路器(qi)(qi)(qi)、隔離開關(guan)、接(jie)地開關(guan)、重合(he)器(qi)(qi)(qi)、分斷(duan)(duan)器(qi)(qi)(qi)、負荷(he)開關(guan)、接(jie)觸器(qi)(qi)(qi)、熔(rong)斷(duan)(duan)器(qi)(qi)(qi)以及上述元件(jian)組(zu)合(he)而成的(de)負荷(he)開關(guan)-熔(rong)斷(duan)(duan)器(qi)(qi)(qi)組(zu)合(he)電(dian)(dian)器(qi)(qi)(qi)、接(jie)觸器(qi)(qi)(qi)-熔(rong)斷(duan)(duan)器(qi)(qi)(qi)(F-C)組(zu)合(he)電(dian)(dian)器(qi)(qi)(qi)、隔離負荷(he)開關(guan)、熔(rong)斷(duan)(duan)器(qi)(qi)(qi)式開關(guan)、敞(chang)開式組(zu)合(he)電(dian)(dian)器(qi)(qi)(qi)等。
(2)成套設備(bei)(bei):將上述元件及(ji)其組(zu)合與其他(ta)電(dian)(dian)(dian)(dian)器產(chan)品(諸如變(bian)壓器、電(dian)(dian)(dian)(dian)流(liu)互(hu)(hu)感器、電(dian)(dian)(dian)(dian)壓互(hu)(hu)感器、電(dian)(dian)(dian)(dian)容器、電(dian)(dian)(dian)(dian)抗器、避雷器、母線、進(jin)出線套管、電(dian)(dian)(dian)(dian)纜終端和二次元件等(deng))進(jin)行合理配置,有(you)機地組(zu)合于金(jin)屬(shu)封(feng)(feng)閉(bi)外(wai)殼內,具有(you)相對完整使用功(gong)能的產(chan)品。如金(jin)屬(shu)封(feng)(feng)閉(bi)開關設備(bei)(bei)(開關柜)、氣體(ti)絕緣金(jin)屬(shu)封(feng)(feng)閉(bi)開關設備(bei)(bei)(GIS)和高壓/低壓預裝式變(bian)電(dian)(dian)(dian)(dian)站等(deng)。
2、低壓成套設備包含低(di)壓開關柜,配(pei)電盤,控制箱,開關箱等電氣設備。