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高壓配電柜的改裝必須由專業人員進行。在繼續之前,必須對原始配電柜進(jin)行(xing)徹(che)(che)底檢查,然后必須制定配(pei)電(dian)(dian)柜的(de)改造計劃。首先,人(ren)員(yuan)應關閉電(dian)(dian)源(yuan)以(yi)采取保護措施(shi)(shi),對配(pei)電(dian)(dian)柜設施(shi)(shi)進(jin)行(xing)徹(che)(che)底檢查,并更(geng)換老化的(de)電(dian)(dian)線,開關和燈。有問題的(de)設備應及時(shi)維(wei)修(xiu),并記(ji)錄檢查條件。檢查后,人(ren)員(yuan)應組(zu)織檢查工(gong)(gong)具(ju),以(yi)免因配(pei)電(dian)(dian)柜遺失工(gong)(gong)具(ju)而造成事(shi)故。
高壓配電柜僅將避雷針安裝在進線的一側。雷電防護不能覆蓋所有設備。普通照明配電箱在(zai)(zai)進出電(dian)(dian)(dian)纜及其母(mu)線之間裝(zhuang)有(you)保(bao)險絲和(he)其他設(she)備。如果輸出電(dian)(dian)(dian)纜被(bei)雷擊(ji)(ji),并且輸入電(dian)(dian)(dian)纜保(bao)險絲先被(bei)燒斷(duan),則整個配(pei)電(dian)(dian)(dian)箱(xiang)(xiang)將(jiang)失去防雷保(bao)護。配(pei)電(dian)(dian)(dian)箱(xiang)(xiang)被(bei)雷擊(ji)(ji)損壞。建議在(zai)(zai)配(pei)電(dian)(dian)(dian)箱(xiang)(xiang)的入口和(he)出口側(ce)安(an)裝(zhuang)氧化(hua)鋅(xin)避雷針。
家用空氣(qi)開(kai)(kai)關(guan)(guan)(guan)(guan)分為單極(ji)(ji)和兩極(ji)(ji)(單開(kai)(kai),雙(shuang)開(kai)(kai)),單極(ji)(ji)在配電(dian)(dian)(dian)箱(xiang)中占(zhan)一個回路,雙(shuang)極(ji)(ji)在配電(dian)(dian)(dian)箱(xiang)中占(zhan)兩個回路。通常(chang)(chang),主(zhu)開(kai)(kai)關(guan)(guan)(guan)(guan)(即主(zhu)開(kai)(kai)關(guan)(guan)(guan)(guan))使用兩極(ji)(ji)。該開(kai)(kai)關(guan)(guan)(guan)(guan)可同時控制火線(xian)和零線(xian)。其(qi)余(yu)饋(kui)線(xian)斷路器始終使用單極(ji)(ji)。交換(huan)機必須連接(jie)到帶電(dian)(dian)(dian)電(dian)(dian)(dian)纜。開(kai)(kai)關(guan)(guan)(guan)(guan)的兩極(ji)(ji)均(jun)為火線(xian),零線(xian)連接(jie)至端子。劃船,不要敞(chang)開(kai)(kai)。常(chang)(chang)熟交換(huan)機維修仔細檢(jian)(jian)查交換(huan)機和電(dian)(dian)(dian)源后,打開(kai)(kai)電(dian)(dian)(dian)源進行(xing)(xing)維修。由于此(ci)時處于緊張狀態(tai),因此(ci)必須確保安全。檢(jian)(jian)查時,請仔細測量(liang)開(kai)(kai)關(guan)(guan)(guan)(guan)的特定模塊(kuai)(kuai)功率,記(ji)錄(lu)并調試(shi)開(kai)(kai)關(guan)(guan)(guan)(guan)的脈沖寬度,并嘗試(shi)使復雜開(kai)(kai)關(guan)(guan)(guan)(guan)的每個模塊(kuai)(kuai)的功能正常(chang)(chang)運行(xing)(xing)。如果在現(xian)場檢(jian)(jian)查和維護過(guo)程(cheng)中發現(xian)異(yi)常(chang)(chang),應關(guan)(guan)(guan)(guan)閉電(dian)(dian)(dian)源,并更換(huan)異(yi)常(chang)(chang)模塊(kuai)(kuai)。