PDF 原檔：報告_OCP2026_台達電_NVIDIA_800VDC電源與散熱_20261015_original.pdf
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圖片清單（已驗證 2026-10-19）
| 檔名 | 頁 | 分類 | 親眼所見內容 |
|---|---|---|---|
報告_OCP2026_台達電_NVIDIA_800VDC電源與散熱_20261015_p4.png |
p4 | 真資料圖 | NVIDIA 機櫃功率世代圖：Gen1 GB200/GB300 54VDC 145kW、Gen2 Vera Rubin NVL72 54VDC 330kW、Gen3 54VDC 570kW（800VDC 進 PSU、100% 液冷）、Gen4 未標規格文字，圖上 Power Gen 4 線落在約 1,000 kVA；左圖為 2024-2032 年機櫃 kVA 對年份，含 72 GPU／144 GPU 趨勢虛線 |
報告_OCP2026_台達電_NVIDIA_800VDC電源與散熱_20261015_p6.png |
p6 | 真資料圖 | Delta 800VDC 轉換計畫拓樸：現行 1PH（<72kW）與 3PH（<110kW）AC PSU shelf → 800VDC sidecar（<250kW 用 50VDC、>250kW 用 ±400VDC／800VDC）→ 800V 原生伺服器 → SST/TRU（3-5MW）直供 |
報告_OCP2026_台達電_NVIDIA_800VDC電源與散熱_20261015_p7.png |
p7 | 真資料圖 | 50VDC 產品路線圖：ORV3 HPR/GB300 33kW shelf（5.5kW PSU，2025）、HPR2 72kW（12kW PSU）、3PH 74kW（18.5kW PSU，2026）、VR200 110kW shelf（18.5kW／54V PSU，1200J／顆，2027 欄） |
報告_OCP2026_台達電_NVIDIA_800VDC電源與散熱_20261015_p14.png |
p14 | 真資料圖 | In-Row 電源機櫃：左為 ORV3 HPRv4 900kW（5 組 180kW shelf、BBU 25kW／CBU 16kW，N+2）；右為 800VDC 660kW（18.5kW PSU×6、20kW BBU×4，效率最高 98%、整合 480kW BBU） |
報告_OCP2026_台達電_NVIDIA_800VDC電源與散熱_20261015_p16.png |
p16 | 真資料圖 | Pizza Box PSU 液冷電源實物：95kW DC/DC、110kW AC/DC、110kW AC/DC 含 BBU 三款；文字註明 1U 55kW、3600J 緩衝能量 |
報告_OCP2026_台達電_NVIDIA_800VDC電源與散熱_20261015_p23.png |
p23 | 真資料圖 | 800VDC 設備就緒時程：Option A Power Rack Q3 2026、Option B Power Center Q2 2027、Option C Power Block Q1 2028（皆標 Deployment Ready）；下方五項就緒度：接地保護、認證、保護元件（MCCB 可得、SSCB 成熟中）、125A 標準化母線／連接器開發中、整流器可得／SST 路線推進 |
原始內容
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800 VDC Power and Cooling Solutions for Data Centers Mike Tu NVIDIA Principal Electrical Engineer Ralf Pieper Delta Research and Design Senior Director
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2 Delta at a Glance No. 1 Merchant Power Supply Manufacturer $ 17.88 B Revenue in 2025
8% of revenue devoted to R&D each year 31.3 M Tons of carbon emissions reduction from 2010-2025 Delta, founded in 1971, is a global provider of power and thermal management solutions. For over 50 years, we have offered the most energy-efficient power and thermal management products for Power Electronics, Mobility, Automation, Infrastructure, and other business categories. To provide innovative, clean, and energy-efficient solutions for a better tomorrow. Bruce Cheng Founder and Honorary Chairman Ping Cheng Chairman and CEO
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3 Why 800 VDC? Two outcomes that define the next generation of AI infrastructure
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4 800 VDC Imperative
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5 800 VDC Distribution in DSX
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6 800 VDC Transition Plan Utility MV Grid 10 kV / 13.8 kV / 20 kV / 34.5 kV Distribution 400 / 480 VAC SST/TRU 3-5 MW Rack busbar 50 VDC 800 VDC Crosslink Cable Server 50 V to 12 V 12 V to 0.x V Server IT Rack 800 V to 50 V 50 V to 12 V 12 V to 0.x V Rack busbar 800 VDC 800 VDC Server 800 V to IBV IBV to 0.x V 800 VDC Server 800 V to IBV IBV to 0.x V Today Next Gen 50 V Server Next Gen 800 V “native” Server Next Gen 800 V “native“ Server fed by SST Time GPU GPU GPU GPU AC DC DC DC Distribution800 VDC <250 kW for 50 VDC
250 kW for +/-400 VDC 800 VDC 800 VDC Side Car AC DC DC DC <110 kW 3PH AC PSU shelf <72 kW LFT 1PH AC PSU shelf 1PH AC DC DC DC DC DC 3PH AC DC DC DC DC DC 50 V to 12 V 12 V to 0.x V DC DC DC DC GPU DC DC DC DC DC DC DC DC DC DC DC DC DC DC
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7 50 VDC Product Overview (Power kW) 10 200 2025 2026 2027 (Year) ORV3 HPR / GB300 33 kW Power Shelf 5.5kW / 50V PSU (75J per PSU) ORV3 HPR2 72 kW Power Shelf 12kW / 50V PSU (105J per PSU) 3PH 18.5kW 74 kW Power Shelf 18.5 kW / 50V PSU VR200 110 kW Power Shelf 18.5 kW / 54V PSU (1200J per PSU
10x increase )
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8 Grid-to-Chip Power Solution for Data Centers Conventional AC Distributed Data Center Infrastructure with CBU Transformer Power Distribution Unit (PDU) Diesel generator Utility MV Grid CPU/GPU 50 V Chip: 0.65 VDC Grid: 34.5 k VAC ATS 400 V / 480 V 10 k VAC ~ 34.5 k VAC 400 V / 480 V 400 V / 480 V 50 → 12 / 6 VDC 12 / 6 → 0.65 VDC
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9 Trending: High-Energy and High-Power PSUs Energy Storage Introduced to flatten the GPU work load patten for High frequency distortion to the grid and good power factor : • Energy Storage Aluminum capacitor embedded in PSU for high frequency dynamic load 1PH PSU for NVIDIA GB300 NVL72 3PH PSU for NVIDIA Vera Rubin NVL72 Grid
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10 AC Smooth Control with High Energy PSU 1PH NVIDIA GB200 NVL72 3PH NVIDIA Vera Rubin NVL72 Input current Output load Bulk Voltage
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11 Empowering the Future Gigawatt AI Factory by 800 VDC
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12 Option A: Edge Inference Upgrade L11: 1 - 800 VDC Power Rack + 2 – VR NVL72 Compute Rack Power Rack: Key Features: • 660kW Rating – supporting • 415 – 480 VAC Input w/ 12 – 100A AC Whips • 800 VDC Output w/ 8 -125A DC Cables • Allow N+N Redundancy to Compute Rack • Accommodate Battery Backup Units Installation Requirement: • Compute Rack adopts 1RU DC/DC Powershelves @ 90kW each • Additional In-Row and Data Hall Space • Sufficient AC Input Power Capacity
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13 Case 1 – Edge Data Center w/ Option A
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14 ORV3 / 800 VDC In-Row Power Rack 660 kW In-Row Power Rack with BBUs 20 kW BBU x 4 … x 6 18.5 kW PSU x 6 Up to 98% efficiency with integrated 480 kW BBU backup power. 800 VDC ORV3 HPRv4 • N+2 redundancy • 5 sets of 180kW power shelf • 2 pcs for redundancy & battery charging or BBU 25 kW CBU 16 kW 6 sets for * CBU: Capacitor Bank Unit 900 kW In-Row Power Rack with BBUs / CBUs … x 5
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15 +800 VDC Input A +800 VDC Input B 54 VDC Out ‧ 1 RU / 1 OU concept based on 19” / 21” 90 kW shelf and 108 kW shelf ‧ Peak Efficiency 98,5% ‧ 6 x Rails with 15 kW / 18kW ‧ 800 V 54 V isolated converter ‧ Output: Busbar Barklip connection ‧ Shelf Controller with Ethernet / Redfish API In-Rack 800 VDC to 50 VDC DC-DC Power Shelf
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16 Transition from Air to Liquid Cooling • Even 97% efficiency for the PSU leads to 30kW losses @ 1MW pay load • Fan power for 30kW unit reaches 200W, which leads to 0.7% efficiency loss • Fans with 38krpm create unbearable acoustic noise Solution: “Pizza Box PSU” One cooling loop, same like a Server, PSU is like a Shelf • 55 kW in 1U / 19“ or 21“ • 3600J Bulk energy for grid smoothing 95 kW DC/DC 110 kW AC/DC 110 kW AC/DC With BBU
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17 Power Center Compute POD: Key Features: • Adopt 4 – 800 to 1000 kW Power Centers for each IT Row • Compute POD Capacity up to 6MW • Configurable Redundancy (4 to make 3 or N+N) to Compute Rack • Require 4 – 125A Whips per VR NVL72 • Power Center can convert to DC UPS with Battery Backup Units (BBUs) • Reduce Data Hall space requirement Installation Requirement: • Sufficient Gray Space AC Power Capacity • Install DC Power Cables and Connectors 800 VDC Power Center Power Center Power Center Power Center Power Center Power Center Power Center Power Center Option B: Compute Cluster Upgrade (RPP) L12/13: 4- 800 VDC Power Centers + 14 – VR NVL72 Compute Racks
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18 Case 2B – Hyperscale In-flight Pivot w/ Option B
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19 Option C: Green Field Data Hall L14: MV to 7 - 800 VDC Power Block + 6 - Compute Clusters
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20 800 VDC simplifies the Power Path Rethink the architecture for the next generation of AI factories
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21 Integrated ESS: Reliability and Power Optimization WHAT STORAGE ENABLES
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23 800 VDC Equipment Readiness A phased path from rack-level power to facility-scale power blocks
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24 Cooling Solutions for Giga-Watt AI Factories
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25 Delta Liquid Cooling Solution Portfolio AI Big Data HPC Data Center Construction Board Level Rack Level System Level 01 02 03 • DC pumps integration for Closed Loop Solutions • QD & Hosing integration for Open Loop Solutions • Delta DC Pump • Integrating of Delta Fan and Pump • Redundant Pump Design • One Stop Liquid Cooling Integration 25
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26 800 VDC In-Row CDU 2.5 MW Cooling Capacity in a Compact Footprint High Cooling Capacity • Cooling capacity: 2.5 MW @Tapp 4°C • Flow rate: 3,850 LPM @60Psi Easy Maintenance & Redundant design • LED Visual Confirmation for CDU Status • LED Visual Confirmation for Pump Tray Status • Pump Redundant design (2+1) • Hot swappable sensor (Temp/ Pressure sensor) • 6” Filter easily replaceable design. • 4” Filter redundant (2+1) and easily replaceable designs 26
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27 Contact: Ralf.pieper@deltaww.com Thank you! Come and visit our booth Booth # B5 OCP 2026