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There is 15 KVA UPS using for single phase load.And 30
batteries of 12 V, 100 Ah are connected in series. Load is
taking 15 A current.What will be the back up power for this
UPS on same load?
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Answer Posted / k.prakashchandra
Is it correct that batteries are connected in series ? The stored energy in each battery is 12 x 100 = 1200 Wh. Total = 36000Wh . The load in watts = 230 x 15 = 3500W ( app ) . Back up = 36000/ 3500 = 10 hr(app)
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