This question was originally posted by Elia on APC forums on 1/13/2014
I need to ask you about a certain installation at a customer's site.
We have 8 UPS's SURT10000XLI installed for Pharmaceutical Laboratory single phase equipment.
For some redundancy reasons, all of the UPS's inputs are supplied from a larger 80 KVA three phase UPS system.
Lately we have faced some problems with 3 out of 8 ups's, one by one. The inverter was defected, and showed an error code 00100.
Could this installation, of one large ups supplying 8 smaller ups, be causing any degradation of power quality, and by that having an impact on the ups's inverter board components?
Thanks in advance for any insight you have for me.
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