The three-phase-power tag has no wiki summary.
4
votes
2answers
543 views
Does unbalanced load on three-phase UPS use more power and cost more?
We have a three-phase online data center UPS.
Someone said recently that if the input amperage across the phases were 70-10-10 we'd pay for the kWh represented by 70 amps, but if the same load were ...
14
votes
3answers
2k views
How does a 3-Phase UPS distribute power?
We've got 2 UPSes in our server room. One's 3 phase, and has a 3phase supply, yet the APC network stats thing only says
Incoming Voltage: 230.1 Volts
The other is a single phase one with no ...
