ups ratings calculation

Discussion in 'General Electronics Chat' started by pradhuman, Jul 27, 2012.

  1. pradhuman

    Thread Starter New Member

    Apr 10, 2012
    4
    0
    i have a load of about 15 kva. and i want UPS for that for the back time of 10 min. for the 15 kva of load what should be the KVA ratings of UPS for 10 minutes of back up. If i purchase a UPS of exactly 15 kva, is it can handle my load of 15 kva? and how? if yes or no? pls reply.. thanx in advance...
     
  2. crutschow

    Expert

    Mar 14, 2008
    12,991
    3,226
    15 kva is a very large load (62.5A @ 240V). Do you mean 1.5 kva?
     
  3. ochoya

    New Member

    Jul 27, 2012
    7
    0
    15kva is of high rating,come a gain,5KVA can work well
    ie get
    input
    220v-240V I/N/PE,
    50/60HZ
    25A.

    OUTPUT
    220/230/240 I/N/PE
    50/60Hz
    23A
    5000VA/3500W.
    AND the battery
    192Vdc
    32A
    7Ah
     
    Last edited: Jul 27, 2012
  4. crutschow

    Expert

    Mar 14, 2008
    12,991
    3,226
    How do you expect to get 15 kva out of the UPS when the battery is only supplying 6.24 kw? :confused:
     
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