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電(dian)容(rong)(rong)(rong)器(qi)柜:也(ye)稱為補償柜。它用(yong)(yong)于改(gai)善(shan)電(dian)網的(de)(de)功(gong)(gong)率因數或補償無功(gong)(gong)功(gong)(gong)率。主要組(zu)(zu)件是(shi)并聯(lian)(lian)的(de)(de)電(dian)容(rong)(rong)(rong)器(qi)組(zu)(zu),開關控制(zhi)回路和(he)保(bao)險絲組(zu)(zu)。使用(yong)(yong)電(dian)器(qi)。帶有輸(shu)入機柜的(de)(de)普通并聯(lian)(lian)設備,可以并行(xing)操作一個或多個電(dian)容(rong)(rong)(rong)器(qi)柜。
斷開電容器柜與電源的連接后,在停電后的一定時間內(根據電容器組),不能直接觸摸機柜中的組件,尤其是電容器組,因為電容器組需要一定的時間才能完成放電過程根據電容器的大小(例如1分鐘),可能不會再次合上電容器,以免損壞電容器的過電壓。在執行自動控制(zhi)功能(neng)時,請注意每組(zu)(zu)電(dian)容器組(zu)(zu)的(de)開(kai)關(guan)時間(jian)的(de)適當分配(pei),以(yi)免出現一組(zu)(zu)電(dian)容器損壞而其(qi)他組(zu)(zu)很少導通的(de)情況。
必須根據制造商的使用說明書中指定的功率降低規定來使用斷路器,并且如果條件允許,可以通過測試確定斷路器。中(zhong)的每個分(fen)支斷路器應(ying)使用多少額(e)定(ding)電流(liu)?無論(lun)是(shi)用于家庭還是(shi)其他應(ying)用,現(xian)代照明(ming)設備都使用純電阻(zu)燈(deng)和燈(deng)籠。
通(tong)常(chang)使用節能燈(deng),熒光燈(deng)和其他(ta)燈(deng)以(yi)及空調系統。像電(dian)(dian)(dian)(dian)(dian)動(dong)機這(zhe)樣的負(fu)(fu)載很常(chang)見。由于(yu)(yu)這(zhe)種類型的負(fu)(fu)載包(bao)含電(dian)(dian)(dian)(dian)(dian)感性非線性負(fu)(fu)載,因(yin)此電(dian)(dian)(dian)(dian)(dian)流波形變得極(ji)為不(bu)規則,普通(tong)的電(dian)(dian)(dian)(dian)(dian)流表(biao)無法測量諧(xie)波電(dian)(dian)(dian)(dian)(dian)流。配電(dian)(dian)(dian)(dian)(dian)箱生產(chan)廠家只需根(gen)(gen)據(ju)計算(suan)出的電(dian)(dian)(dian)(dian)(dian)流選擇(ze)(ze)斷路器。額(e)定電(dian)(dian)(dian)(dian)(dian)流不(bu)合適,因(yin)此應根(gen)(gen)據(ju)實際負(fu)(fu)載組成進行(xing)考慮。例如,對于(yu)(yu)某些(xie)具有(you)大(da)功率(lv)電(dian)(dian)(dian)(dian)(dian)動(dong)機的負(fu)(fu)載,應選擇(ze)(ze)一個斷路器來保護電(dian)(dian)(dian)(dian)(dian)動(dong)機。這(zhe)就解釋了為什么是這(zhe)種情況,根(gen)(gen)據(ju)計算(suan)的電(dian)(dian)(dian)(dian)(dian)流和電(dian)(dian)(dian)(dian)(dian)氣間(jian)隙選擇(ze)(ze)的斷路器仍然經常(chang)過載,并且端子的溫(wen)度始(shi)終(zhong)很高。