一、高低壓成套設備是什么
高壓成套設備(高壓(ya)配電(dian)(dian)(dian)柜)是指在(zai)電(dian)(dian)(dian)壓(ya)3kV及(ji)以(yi)上,頻(pin)率(lv)50Hz及(ji)以(yi)下的(de)(de)電(dian)(dian)(dian)力系統(tong)中(zhong)運(yun)行(xing)的(de)(de)戶(hu)內和(he)戶(hu)外(wai)交流開關設備。主要用于電(dian)(dian)(dian)力系統(tong)(包括發電(dian)(dian)(dian)廠、變電(dian)(dian)(dian)站、輸(shu)配電(dian)(dian)(dian)線路和(he)工礦(kuang)企業等用戶(hu))的(de)(de)控制和(he)保護,既可(ke)根(gen)據電(dian)(dian)(dian)網運(yun)行(xing)需要將一(yi)部(bu)分電(dian)(dian)(dian)力設備或線路投(tou)入或退出運(yun)行(xing),也可(ke)在(zai)電(dian)(dian)(dian)力設備或線路發生(sheng)故(gu)障時將故(gu)障部(bu)分從電(dian)(dian)(dian)網快(kuai)速(su)切除,從而保證(zheng)電(dian)(dian)(dian)網中(zhong)無故(gu)障部(bu)分的(de)(de)正常運(yun)行(xing)及(ji)設備、運(yun)行(xing)維修人員的(de)(de)安全(quan)。因(yin)此,高壓(ya)成套設備是非常重要的(de)(de)輸(shu)配電(dian)(dian)(dian)設備,其安全(quan)、可(ke)靠運(yun)行(xing)對(dui)電(dian)(dian)(dian)力系統(tong)的(de)(de)安全(quan)、有(you)效運(yun)行(xing)具有(you)十分重要的(de)(de)意(yi)義。
低壓(ya)成(cheng)套(tao)設備(bei)是(shi)指(zhi)380V及以(yi)下電(dian)(dian)(dian)壓(ya)等(deng)級中使(shi)用(yong)(yong)的成(cheng)套(tao)設備(bei)。后(hou)者是(shi)從安(an)全(quan)角度來考(kao)慮的,但二者并不矛盾,因(yin)為在(zai)發配電(dian)(dian)(dian)系統中,低壓(ya)電(dian)(dian)(dian)器是(shi)指(zhi)380V配電(dian)(dian)(dian)系統,因(yin)此,在(zai)實際(ji)工作中,低壓(ya)成(cheng)套(tao)是(shi)指(zhi)380V及以(yi)下電(dian)(dian)(dian)壓(ya)等(deng)級中使(shi)用(yong)(yong)的電(dian)(dian)(dian)器設備(bei)。
二、高低壓成套設備包括哪些
高低(di)壓(ya)成套(tao)設(she)備(bei)有(you):金屬封閉開(kai)關(guan)設(she)備(bei)(開(kai)關(guan)柜)、氣(qi)體絕緣(yuan)金屬封閉開(kai)關(guan)設(she)備(bei)(GIS)和高壓(ya)/低(di)壓(ya)預裝式變電站、低(di)壓(ya)開(kai)關(guan)柜,配(pei)電盤,控制箱,開(kai)關(guan)箱等電氣(qi)設(she)備(bei)。
1、高壓成套設備(bei)按其功能(neng)和(he)作用的不同,可以分(fen)為:
(1)元件及(ji)其組(zu)合:包括斷(duan)路(lu)器、隔離開關、接地開關、重合器、分斷(duan)器、負(fu)荷(he)開關、接觸(chu)器、熔(rong)(rong)斷(duan)器以及(ji)上述(shu)元件組(zu)合而成的負(fu)荷(he)開關-熔(rong)(rong)斷(duan)器組(zu)合電器、接觸(chu)器-熔(rong)(rong)斷(duan)器(F-C)組(zu)合電器、隔離負(fu)荷(he)開關、熔(rong)(rong)斷(duan)器式(shi)開關、敞開式(shi)組(zu)合電器等。
(2)成套(tao)設備:將上述元件及其組合(he)與其他電器(qi)產(chan)品(諸如變壓器(qi)、電流互感器(qi)、電壓互感器(qi)、電容器(qi)、電抗器(qi)、避雷(lei)器(qi)、母線、進出線套(tao)管、電纜終端和二次元件等(deng)(deng))進行(xing)合(he)理配置,有(you)機地(di)組合(he)于(yu)金屬(shu)封(feng)閉(bi)外殼內(nei),具有(you)相(xiang)對完整使用(yong)功能的產(chan)品。如金屬(shu)封(feng)閉(bi)開(kai)關設備(開(kai)關柜)、氣(qi)體絕緣(yuan)金屬(shu)封(feng)閉(bi)開(kai)關設備(GIS)和高壓/低壓預裝式變電站等(deng)(deng)。
2、低壓成套設備包含低壓開關柜,配電(dian)盤(pan),控制箱(xiang),開關箱(xiang)等電(dian)氣設備。