Planning sandbox · Step 2
Compare capacity. Keep architecture assumptions visible.
A numerical block model for learning and early discussions—not an automatically engineered single-line diagram.
Capacity sandbox
AI Data Center Power Planner
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What the arrangements mean here
N: enough equal blocks to cover the calculated duty capacity.
N+1: that duty count plus one equal spare block.
2N: two complete sets, each with enough duty blocks for the full load.
Duty MVA = IT MW × PUE ÷ PF × (1 + reserve % ÷ 100)
Duty blocks = ceil(duty MVA ÷ block MVA)
Duty blocks = ceil(duty MVA ÷ block MVA)
Spare capacity alone does not establish electrical isolation, transfer capability, protection coordination or maintainability. Shared failure points can defeat an apparently redundant capacity count.
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