md. maksood alam


{ City } bathinda
< Country > india
* Profession * electrical engg.
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Question { JLL, 2696 }

How to calcualte the total number of cells required for
particular UPS of some X KVA with 3 and 5 hours back-up?


Answer

24v×100ah= 2400 watt hr
Backup time = 2400/total load
= 2400watthr/1kva
= 2400/1000×.8
= 2400 watthr/800 watt
= 3 hr

Is This Answer Correct ?    1 Yes 0 No