Amend-6 voltage drops.pdf
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- Solicitation number
- RFP-23-PHX-25
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psm
23:00 06/27/22
00:00 06/28/22
01:00 06/28/22
02:00 06/28/22
03:00 06/28/22
04:00 06/28/22
05:00 06/28/22
Date & Time
281.0
282.0
283.0
284.0
285.0
286.0
287.0
288.0
289.0
V o lt a g e
V
V1n Max 286.8
V2n Max 287.5
V3n Max 287.6
Data Log View of C:\MYFILES\San Carlos Hospital\PIMC\XRAY 3 POWER SIGHT\PS 7-1-2022\psm.$LO
To: 06/28/22 05:10:15From: 06/27/22 22:44:33
William Hendrix Typewriter This is a graph from 6-28 starting at about 12:11 AM. I'd like to know if these voltage changes are from the utility or are internal. I'd ask that SRP install a power quality meter at their incoming power. I think it's SRP, but if we don't see this happening on their side, I'd want to see if there is a very large load that is cycling on and off in the building. Chiller maybe? The voltage drops for about 12 minutes each cycle. I looked at other days and found similar voltage drops, but they last a lot longer than 12 minutes. In some cases, up to 45 minutes.
File details come from the government source that posted it. Updated .