What is the redundancy setup shown in the diagram?
The diagram shows three UPS modules, each 100 kW, connected in parallel to support a 100 kW IT load. That means:
One module (100 kW) can support the load (N).
Two additional modules are installed as redundancy.
This equals N+2 redundancy.
2+N+1 and 2(N+1) imply dual active paths not shown.
N+N+N is not an industry term.
Thus, the correct redundancy level is N+2.
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