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Check of the UPS runtime

APC UPS for Home and Office Forum

Schneider Electric support forum for our APC offers including Home Office UPS, Surge Protectors, UTS, software and services and associated products designed to share knowledge, installation, and configuration.

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farmaceits_apc
Cadet
0 Likes
2
116

Check of the UPS runtime

This was originally posted on APC forums on 9/18/2007


I would like to check of the UPS BackUPS CS 500 (BK500EI) runtime by halfload. If it is correct to check runtime with 250W light bulb, not with 150W light bulb? I think that 250W (PF=1) for light bulb is the same 150W (PF=0.7) for computer.

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KVAr_apc
Captain
Captain
0 Likes
0
116

Re: Check of the UPS runtime

This was originally posted on APC forums on 9/21/2007


Power factor doesn't matter for the most part for runtime test. You just want the load to simulate what your expected backup load is using in watts.

If you're doing a general UPS calibration, charge 24 hours, then use resistive load (like light bulbs) with 30-50% the wattage rating of UPS and let it run until it shuts off on its own.

See Answer In Context

2 Replies 2
dirtfoot_apc
Lt. Commander
Lt. Commander
0 Likes
0
116

Re: Check of the UPS runtime

This was originally posted on APC forums on 9/18/2007


A runtime chart is available for your UPS. It shows you what runtime you can expect at a few different load amounts.

http://www.apc.com/products/runtime_for_extendedruntime.cfm?upsfamily=17

KVAr_apc
Captain
Captain
0 Likes
0
117

Re: Check of the UPS runtime

This was originally posted on APC forums on 9/21/2007


Power factor doesn't matter for the most part for runtime test. You just want the load to simulate what your expected backup load is using in watts.

If you're doing a general UPS calibration, charge 24 hours, then use resistive load (like light bulbs) with 30-50% the wattage rating of UPS and let it run until it shuts off on its own.