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Originally Posted by Zephon
Anyway, about the power consumption question. What Phoenix said is pretty much true, but I would like to add something. He forgot to mention the effects of inductance and capacitance in the power consumption. What Phoenix said about multiplying current and voltage is true for resistive circuits.
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Yeah, I messed up terms a bit
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Originally Posted by Zephon
The REAL power consumed by your machine is due to the resistive part of the circuits only. When you directly multiply the line's voltage * current, you have what is called APPARENT power (given in volt-amperes VA, not watts W), which is usually a little bit higher than the real power.
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Zephon, in this
thread I tried to explain RZetlin his concern, so my question is: by measuring the VA consumed by each equipment(CPU, monitor, peripherals, etc., using the amps * voltage formula for each one), adding their individual resulting VA, would give a rough idea of total VA needed to be delivered by the UPS?