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電(dian)容(rong)器(qi)柜(ju):也(ye)稱(cheng)為補償(chang)柜(ju)。它用(yong)于改善電(dian)網的功率因數或補償(chang)無功功率。主要組(zu)件是并(bing)聯的電(dian)容(rong)器(qi)組(zu),開關控制回路和保險絲組(zu)。使用(yong)電(dian)器(qi)。帶有輸入機柜(ju)的普通并(bing)聯設(she)備(bei),可以(yi)并(bing)行操作一(yi)個或多個電(dian)容(rong)器(qi)柜(ju)。
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(zi)動控制功能時(shi),請注(zhu)意每組(zu)電(dian)容(rong)器組(zu)的開(kai)關(guan)時(shi)間的適當分配(pei),以(yi)免出現一組(zu)電(dian)容(rong)器損壞而(er)其他組(zu)很少(shao)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(de)每個分支斷路器應(ying)使用(yong)(yong)(yong)多少額(e)定電(dian)流?無論是(shi)用(yong)(yong)(yong)于家庭還是(shi)其他應(ying)用(yong)(yong)(yong),現代照明(ming)設(she)備都使用(yong)(yong)(yong)純電(dian)阻燈(deng)和燈(deng)籠(long)。
通(tong)常(chang)使(shi)用(yong)節能燈(deng)(deng),熒光燈(deng)(deng)和(he)(he)其他燈(deng)(deng)以及空調系統。像電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機這(zhe)樣的負(fu)載(zai)(zai)很常(chang)見。由于(yu)這(zhe)種類型的負(fu)載(zai)(zai)包(bao)含電(dian)(dian)(dian)(dian)(dian)感性(xing)非線性(xing)負(fu)載(zai)(zai),因(yin)此(ci)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)波形變得(de)極(ji)為(wei)不規(gui)則,普通(tong)的電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)表無法測量諧波電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)。配電(dian)(dian)(dian)(dian)(dian)箱(xiang)生產廠家只(zhi)需根據(ju)計算出的電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)選擇(ze)斷(duan)路(lu)器(qi)。額定電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)不合適,因(yin)此(ci)應根據(ju)實際(ji)負(fu)載(zai)(zai)組成進(jin)行考慮。例如,對于(yu)某些(xie)具有大功率電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機的負(fu)載(zai)(zai),應選擇(ze)一個斷(duan)路(lu)器(qi)來保護(hu)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)機。這(zhe)就解釋了(le)為(wei)什么是這(zhe)種情況,根據(ju)計算的電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)和(he)(he)電(dian)(dian)(dian)(dian)(dian)氣間隙(xi)選擇(ze)的斷(duan)路(lu)器(qi)仍然經常(chang)過載(zai)(zai),并(bing)且端子的溫度始終很高。