✔ 最佳答案
formula is
220V x 7A = 1540VA, may i know what equipment you want to use, if induction equipment, you must use more then 5KVA, if electronic equipment, you must use 3KVA, the battery must more then 10Ah ~ 15Ah, can not use capacitant equipment
2007-12-22 19:05:03 補充:
UPS不適合供電比日光燈,因爲日光燈既啓動電流時高時低,好容易整壞架UPS,小型電風扇就無問題。UPS供電既電器用具完全不適合安裝電容器,雖然安裝電容器會提高功率因數而降低電流,但係,戈粒電容器好快就會爆炸既。
2007-12-22 19:12:29 補充:
我安裝過4台60KVA電容器,其中一台就須要負責提供電源比一架2KW冷氣機吹冷UPS房内同伺服器房内既電器,但係電池(Battery Bank)需要係另一間房,中係高壓電池添。
2007-12-22 19:16:31 補充:
打錯子改正 : 唔係 [我安裝過4台60KVA電容器] = [我安裝過4台60KVA既UPS]應該係我安裝過4台60KVA既UPS,其中一台就須要負責提供電源比一架2KW冷氣機吹冷UPS房内同伺服器房内既電器,但係電池(Battery Bank)需要係另一間房,中係高壓電池添。