豐瑞電氣

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　　(1)一(yi)級(ji)(ji)配電(dian)設備，統(tong)稱為(wei)動力(li)配電(dian)中(zhong)心(xin)。它(ta)們集(ji)中(zhong)安裝在企(qi)業的變電(dian)站，把電(dian)能分配給不同地點(dian)的下(xia)級(ji)(ji)配電(dian)設備。這一(yi)級(ji)(ji)設備緊靠降壓變壓器(qi)，故電(dian)氣參數要求較高，輸出電(dian)路(lu)容量(liang)也較大。

　　(2)二級(ji)(ji)配(pei)電(dian)設備，是動力配(pei)電(dian)柜(ju)和(he)電(dian)動機控(kong)制中心的(de)統稱(cheng)。動力配(pei)電(dian)柜(ju)使(shi)用在負荷比較分散、回路較少(shao)的(de)場合;電(dian)動機控(kong)制中心用于負荷集中、回路較多的(de)場合。它們把上一級(ji)(ji)配(pei)電(dian)設備某一電(dian)路的(de)電(dian)能(neng)分配(pei)給就近的(de)負荷。這級(ji)(ji)設備應對負荷提(ti)供保護、監視(shi)和(he)控(kong)制。

　　(3)末級配電(dian)設備總稱(cheng)為照明(ming)動力配電(dian)箱。它(ta)們(men)遠離供電(dian)中(zhong)心(xin)，是分散的小(xiao)容量配電(dian)設備

　　配電(dian)(dian)(dian)(dian)柜(ju)(ju)微機保護(hu)裝置是由高(gao)集成度、總線并出芯片單片機、高(gao)精度電(dian)(dian)(dian)(dian)流電(dian)(dian)(dian)(dian)壓(ya)(ya)互(hu)感器、高(gao)絕緣(yuan)強度出口中(zhong)間(jian)繼電(dian)(dian)(dian)(dian)器、高(gao)可(ke)(ke)靠開關(guan)電(dian)(dian)(dian)(dian)源模(mo)塊等(deng)部件組成。開關(guan)柜(ju)(ju)微機保護(hu)裝置主要作(zuo)為(wei)110KV及(ji)以下電(dian)(dian)(dian)(dian)壓(ya)(ya)等(deng)級(ji)的開關(guan)柜(ju)(ju)。發(fa)電(dian)(dian)(dian)(dian)廠、變電(dian)(dian)(dian)(dian)站(zhan)、配電(dian)(dian)(dian)(dian)站(zhan)等(deng)，也可(ke)(ke)作(zuo)為(wei)部分70V-220V之間(jian)電(dian)(dian)(dian)(dian)壓(ya)(ya)等(deng)級(ji)開關(guan)柜(ju)(ju)中(zhong)系統的電(dian)(dian)(dian)(dian)壓(ya)(ya)電(dian)(dian)(dian)(dian)流的保護(hu)及(ji)測控。