UPS capacity estimation
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How to calculate the power consumption of UPSs for a newly built tank farm? It is also unclear at present what the power consumption of various electrical devices is, and which ones need to have their power consumption calculated. Now, 64 AI points, 16 AO points, 96 DI points, and 48 DO points have been added. I hope to get an answer.
The main thing is to calculate the power consumption of the control system – components such as CPU cards, fans, lights, etc. can have their power requirements determined by the system manufacturer. There is also the issue of external power supply for computing; does AI use a four-wire system? For four-wire instruments, an independent power supply is necessary. AO, DI, and DO components come in both low-power and high-power versions. Relays can consume 3W or 5W of power. In total, it’s necessary to figure out how many watts are used overall. 1 kilowatt equals 1 kilovolt-ampere. If the number of components isn’t large, simply doubling the calculated value will suffice for configuration purposes