Most data centers are part of a larger building. The steps in determining the electrical capacity described below will assist in estimating the capacity required for that portion of the building dedicated to the data center or data
room. The difference between the steady state power and the peak power is important when calculating power capacity requirements and is noted throughout this paper. Dynamic Power Variations in Data Centers and Network Rooms
. For installations where critical components like air conditioning, chillers, or standby generators are shared and used to supply other loads beyond the data center,the sizing of the system requires a more complete and complex analysis by a consulting engineer.
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