Rethinking Data Center Electrical Infrastructure: Challenges and Opportunities of 800VDC Power Systems
The rapid deployment of AI-optimized data centers is introducing electrical load behaviors that differ significantly
from traditional IT facilities. AI workloads exhibit high power density, fast transient demand, and large step changes
in active power associated with training and inference cycles, creating new challenges for power system stability and
protection. In parallel, the growing adoption of direct current (DC) architectures within data centers is reshaping how
these loads are distributed, controlled, and interfaced to the grid.
Joel discusses AI load characteristics and examines DC-centric data center architectures as an enabler for improved
load management. A layered mitigation approach is presented, spanning DC rack-level buffering and coordinated
power control, facility-level UPS and/or medium-voltage solid-state transformer (MVSST) for ramp-rate control, and
grid interface functions. Grid code compliance topics including load shedding, voltage and frequency ride-through,
and controlled post-fault active power recovery are addressed. The results show that coordinated DC architectures
and power-electronic controls can allow AI data centers to scale while maintaining grid-friendly behavior and
regulatory compliance.
Date and Time
Location
Hosts
Registration
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- Zio Fraedo's
- 611 Gregory Lane
- Pleasant Hill, California
- United States 94523
- Starts 07 September 2026 03:22 PM UTC
- Ends 17 November 2026 06:00 AM UTC
- Admission fee ?
Speakers
Joel Liu of Eaton Global Data Center Segment
Rethinking Data Center Electrical Infrastructure: Challenges and Opportunities of 800VDC Power Systems
Biography:
Joel Liu, PhD., P.E. is the Direct Current Data Center Architect at Eaton's Global Data Center Segment, where he
focuses on next-generation power architectures for AI and high-density data centers. His previous experience
includes engineering leadership and technical positions at Eaton, Schneider Electric, Honeywell, and Thales, where
he led power system consulting business and developed advanced power systems. He received his Ph.D. in
Electrical Engineering from Arizona State University and has published numerous technical papers and book
chapters in power systems and power quality. Dr. Liu is an IEEE Senior Member and a licensed Professional
Engineer in five U.S. states.
Agenda
No-host social at 5:30pm
Presentation at 6:00pm
Dinner at 7:00pm
Presentation continues at 7:45pm
Adjourn by 8:30pm