(1)一級(ji)配電(dian)(dian)設備,統稱為動力配電(dian)(dian)中心。它們集(ji)中安裝(zhuang)在(zai)企業的(de)變電(dian)(dian)站,把電(dian)(dian)能分配給不(bu)同地點(dian)的(de)下級(ji)配電(dian)(dian)設備。這一級(ji)設備緊靠降壓變壓器,故電(dian)(dian)氣參數要(yao)求較(jiao)高(gao),輸出電(dian)(dian)路(lu)容(rong)量(liang)也較(jiao)大。
(2)二級配電(dian)(dian)設(she)備(bei),是(shi)動力配電(dian)(dian)柜和(he)電(dian)(dian)動機(ji)控(kong)制中心的統稱(cheng)。動力配電(dian)(dian)柜使用在負荷比較(jiao)分散(san)、回路(lu)較(jiao)少的場合(he);電(dian)(dian)動機(ji)控(kong)制中心用于負荷集(ji)中、回路(lu)較(jiao)多的場合(he)。它們把上一級配電(dian)(dian)設(she)備(bei)某一電(dian)(dian)路(lu)的電(dian)(dian)能分配給(gei)就近(jin)的負荷。這級設(she)備(bei)應對負荷提供保(bao)護、監視和(he)控(kong)制。
(3)末(mo)級(ji)配電(dian)(dian)設備總稱為照明動力(li)配電(dian)(dian)箱。它們遠離供電(dian)(dian)中心,是分散的小容量(liang)配電(dian)(dian)設備
配電(dian)柜微機保(bao)護(hu)裝(zhuang)置是由(you)高(gao)集成度、總線并出(chu)芯片單(dan)片機、高(gao)精度電(dian)流(liu)電(dian)壓互感器、高(gao)絕緣強度出(chu)口(kou)中(zhong)間(jian)繼(ji)電(dian)器、高(gao)可(ke)(ke)靠開關電(dian)源(yuan)模塊等(deng)(deng)部件(jian)組成。開關柜微機保(bao)護(hu)裝(zhuang)置主(zhu)要作為110KV及以下電(dian)壓等(deng)(deng)級的開關柜。發電(dian)廠、變電(dian)站、配電(dian)站等(deng)(deng),也可(ke)(ke)作為部分(fen)70V-220V之(zhi)間(jian)電(dian)壓等(deng)(deng)級開關柜中(zhong)系(xi)統的電(dian)壓電(dian)流(liu)的保(bao)護(hu)及測控 。
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