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電(dian)(dian)容器(qi)(qi)(qi)柜:也稱(cheng)為補(bu)償柜。它用于改(gai)善電(dian)(dian)網的(de)功(gong)率因數或(huo)補(bu)償無功(gong)功(gong)率。主要組件是并(bing)聯的(de)電(dian)(dian)容器(qi)(qi)(qi)組,開關(guan)控制回路和保險(xian)絲組。使用電(dian)(dian)器(qi)(qi)(qi)。帶有(you)輸入(ru)機柜的(de)普通并(bing)聯設(she)備,可(ke)以并(bing)行(xing)操作一個或(huo)多個電(dian)(dian)容器(qi)(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。在執行自動控制功能(neng)時(shi),請(qing)注(zhu)意(yi)每組電容器(qi)組的開關時(shi)間的適當分(fen)配,以免出現一組電容器(qi)損壞而其(qi)他組很少導通的情況(kuang)。
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。中的每個分支斷路器(qi)應使用多(duo)少(shao)額定電(dian)(dian)流(liu)?無(wu)論(lun)是(shi)用于家庭還是(shi)其(qi)他應用,現代(dai)照明設備都使用純電(dian)(dian)阻燈(deng)和(he)燈(deng)籠。
通常使用節能燈(deng),熒光燈(deng)和(he)其他燈(deng)以及空調系統。像電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)機這(zhe)樣的(de)負(fu)(fu)載很常見。由(you)于(yu)這(zhe)種(zhong)類型的(de)負(fu)(fu)載包(bao)含電(dian)(dian)(dian)(dian)(dian)(dian)感性(xing)非線性(xing)負(fu)(fu)載,因此電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)波(bo)形變(bian)得極為不(bu)(bu)規則,普(pu)通的(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)表無法測量諧波(bo)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)。配電(dian)(dian)(dian)(dian)(dian)(dian)箱生產(chan)廠家只需根(gen)據計(ji)(ji)算出的(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)選擇斷(duan)路器。額定電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)不(bu)(bu)合(he)適,因此應(ying)根(gen)據實(shi)際(ji)負(fu)(fu)載組成進行考慮。例如,對于(yu)某些具有大功率電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)機的(de)負(fu)(fu)載,應(ying)選擇一(yi)個斷(duan)路器來保護電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)機。這(zhe)就解釋了為什么是這(zhe)種(zhong)情況,根(gen)據計(ji)(ji)算的(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)和(he)電(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)間隙選擇的(de)斷(duan)路器仍然(ran)經(jing)常過載,并且端子的(de)溫度始終很高。