HP Server PowerSupplies.. anyone got any proper knowledge?
06 October 2004, 02:09 PM
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Location: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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HP Server PowerSupplies.. anyone got any proper knowledge?
Im just pissing about with loading on our ups and trying to balance the phases properly, however if you look at the power requirements of a HP ML580G2 - Download HP Power Calculator catalog, (excel Spreadsheet) or the DL580g2 Specifics - http://h30099.www3.hp.com/configurator/calc/DL580G2.xls
Now this lists the specs as:
I seem to be getting the same load on Each PSU, rather than one being redundant, can anyone tell me for definite the way this works,
as I have the following,
Servers with dual psus run from different supplys with balanced phases.
If the server psu fails (or say a cabinet of psu fails) then all the remaining psu's in the cab, will increase their load by 50% thus tripping the UPS as the demand has gone over what it can supply per phase.
Make sense??
No, didnt think so.
David
Now this lists the specs as:
Code:
Total System Input power requirement (W) For reference only 489 Total System Input current requirement (A) UPS/PDU/Circuit Breaker Selection 2.1 Total System BTU/Hr Cooling/Airconditioning Calculation 1668 Total System VA Rating UPS Selection 499 Total System Leakage Current (mA) UPS/PDU/Circuit Breaker Selection 2.10 Total System Peak Inrush Current (A) 2mS UPS/PDU/Circuit Breaker Selection 50
as I have the following,
Servers with dual psus run from different supplys with balanced phases.
If the server psu fails (or say a cabinet of psu fails) then all the remaining psu's in the cab, will increase their load by 50% thus tripping the UPS as the demand has gone over what it can supply per phase.
Make sense??
No, didnt think so.
David
06 October 2004, 03:32 PM
#3
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Location: Leeds - It was 562.4bhp@28psi on Optimax, How much closer to 600 with race fuel and a bigger turbo?
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LOL..
Not when your running one of your three 40kva ups's at 85% load.
Not when your running one of your three 40kva ups's at 85% load.
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