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電(dian)(dian)容器(qi)(qi)柜:也稱為補償(chang)(chang)柜。它用于改善電(dian)(dian)網的功率因(yin)數或(huo)補償(chang)(chang)無功功率。主要組(zu)件是并(bing)聯(lian)的電(dian)(dian)容器(qi)(qi)組(zu),開關(guan)控制回路和保險絲組(zu)。使用電(dian)(dian)器(qi)(qi)。帶有輸入機柜的普通并(bing)聯(lian)設備(bei),可以并(bing)行操作一個或(huo)多個電(dian)(dian)容器(qi)(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(kong)制功能(neng)時,請注意每組(zu)電容(rong)器組(zu)的開關時間的適當分配,以免出現一組(zu)電容(rong)器損壞而(er)其他(ta)組(zu)很少導通的情況。
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。中的每個分(fen)支斷路器應(ying)使(shi)用多少額定電流?無論是(shi)用于家庭還是(shi)其(qi)他應(ying)用,現(xian)代照明(ming)設備(bei)都使(shi)用純電阻(zu)燈(deng)和燈(deng)籠(long)。
通常(chang)使用(yong)節(jie)能燈,熒光燈和其他燈以及空調系(xi)統。像電(dian)(dian)(dian)(dian)(dian)(dian)動機這樣的(de)(de)負載(zai)很常(chang)見。由于這種(zhong)類型(xing)的(de)(de)負載(zai)包含電(dian)(dian)(dian)(dian)(dian)(dian)感(gan)性非線性負載(zai),因此(ci)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)波(bo)形(xing)變得(de)極為不規(gui)則,普通的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)表無法(fa)測量諧波(bo)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)。配電(dian)(dian)(dian)(dian)(dian)(dian)箱生產廠家(jia)只需根據(ju)計(ji)(ji)算(suan)出的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)選擇(ze)斷(duan)路(lu)器(qi)。額(e)定電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)不合適,因此(ci)應根據(ju)實際負載(zai)組成進行考慮。例(li)如,對于某些具有大(da)功率電(dian)(dian)(dian)(dian)(dian)(dian)動機的(de)(de)負載(zai),應選擇(ze)一個斷(duan)路(lu)器(qi)來保(bao)護電(dian)(dian)(dian)(dian)(dian)(dian)動機。這就解釋了為什么是(shi)這種(zhong)情況,根據(ju)計(ji)(ji)算(suan)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)和電(dian)(dian)(dian)(dian)(dian)(dian)氣間隙選擇(ze)的(de)(de)斷(duan)路(lu)器(qi)仍(reng)然經常(chang)過載(zai),并且端子的(de)(de)溫度始(shi)終很高。