end-to-end utility-to-VRM efficiency of the SST/800 VDC chain versus an 82.2% representative stated AC fixture (whose four-stage high end is 86.7%)
~87%modeled
| Value kind | modeled — Interpret this value according to its displayed kind, scope, source, and as-of date. |
|---|---|
| Scope | SemiAnalysis’s Phase 4 architecture model (May 26, 2026), not an observed facility or primary SST prototype test. Compare with Chapter 4.1’s separately assumed AC ledger, about 80–87% and 82% representative; distribution and auxiliary losses need their own explicit boundary. |
| As of | 2026-05-26 |
| Source | SemiAnalysis, Inside the 800VDC Revolution — Phase 4 architecture model |
| Review | checking…review by 2027-05-26 · standard cadence |
| Recorded changes | last 2026-09-16 · 3 revisions tracked |
| Claim id | end-to-end-utility-to-vrm-efficiency-of-the-sst |
Where the guide uses it
- 4.4 Transformers, Harmonics & the AI Non-Linear-Load Problem
- 4.7 The DC Power Revolution: 48V → ±400V → 800V & Disaggregated Sidecar Power
- 16.2 Subsystem Roadmaps 2026 → 2030 (Consolidated)
← Full numbers register — every date-stamped figure in the guide, with revision history.