Amps are not power. Watts are. On Wed, May 5, 2021, 20:08 Joe Monk <[email protected]> wrote:
> Yes. Take the value in watts of each power supply. Divide watts by volts > to get amps. Then just add up the amps. > > Example: I have a rack of 12 servers. Each server has 2 770w power > supplies. My voltage is 208vac. > > 770w / 208 vac = 3.7 amps. So each power supply can draw a MAX of 3.7 amps. > > 3.7 A * 24 = 88 amps MAX if each power supply were drawing full current. > > BUT - two power supplies presumes load sharing. So each power supply is > only drawing half-current. Thus, the MAX consumption can be 44 (12 * 3.7) > amps at 208 vac for the full rack. > > Joe > > > > > On Wed, May 5, 2021, 01:26 Peter <[email protected]> wrote: > > > Hello > > > > Apology for posting a non mainframe questions here . > > > > Is there a way to determine the total power consumption of rack with 12u > as > > form factor ? > > > > I am sure some of them would have used a benchmark to design a solution > for > > any new server coming inside the data center floor. > > > > So any clue or your experience would help me to analyse further. > > > > Peter > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
