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Calculate power feed requirement

APC UPS Data Center & Enterprise Solutions Forum

Schneider Electric support forum for our Data Center and Business Power UPS, UPS Accessories, Software, Services, and associated commercial products designed to share knowledge, installation, and configuration.

Solved
BillP
Administrator Administrator
Administrator
0 Likes
3
197

Calculate power feed requirement

This question was originally posted by JuJik on APC forums on 2/24/2011


Hi guys,

Would somebody please be able to help me with this question.

I have 2x 5000VA (22A) units and 1x 3000VA (10A) unit. Each unit is loaded in this way 1) 5000VA - 2150W 2) 5000VA - 2140W 3) 3000A - 1550W
Considering that the max W output per unit is 3750W for 5000VA unit and 2700W for 3000VA unit, the average load per unit is about 57%

The question: I have one 32A (240V) single phase line, will it handle all those 3 UPSes?

Thanks for your help.


Accepted Solutions
Elec_apc
Ensign
Ensign
0 Likes
0
197

Re: Calculate power feed requirement

This was originally posted on APC forums on 2/24/2011


in general it will not handle you have to take in consideration the over load an peak current .
in most time the peak current can go to 3 times for the real current, this men you can face a peak current sized to 42 amps at minimum, but this depend in your load
specification,if it is resistive load the line wil handle, else if you have pc and servers or printers ( lazer printers), you will face problem with the line.

See Answer In Context

3 Replies 3
Elec_apc
Ensign
Ensign
0 Likes
0
198

Re: Calculate power feed requirement

This was originally posted on APC forums on 2/24/2011


in general it will not handle you have to take in consideration the over load an peak current .
in most time the peak current can go to 3 times for the real current, this men you can face a peak current sized to 42 amps at minimum, but this depend in your load
specification,if it is resistive load the line wil handle, else if you have pc and servers or printers ( lazer printers), you will face problem with the line.

BillP
Administrator Administrator
Administrator
0 Likes
0
197

Re: Calculate power feed requirement

This reply was originally posted by JuJik on APC forums on 2/25/2011


Thanks!

Elec_apc
Ensign
Ensign
0 Likes
0
197

Re: Calculate power feed requirement

This was originally posted on APC forums on 2/25/2011


you are welcome.