Topic guide

Electrical

Explore publications on data centre electrical infrastructure, from power distribution and protection to supply architectures and capacity planning. Compare technical summaries, publication details and links to the original references.

Sources
358
Downloadable PDFs
74
Years
1984–2027

All sources

217–240 / 358

Technical guideFree to read

ABB Year not stated

Standard requirements for selectivity

In a selectivity study, present curve overlap and current-ratio checks only as screening tools.

  • The distinction is discussed in the context of IEC/TR 61912-2 and IEC 60947-2 Annex A.
Research paperPDF

IEEE Open Journal of Power Electronics (Institute of Electrical and Electronics Engineers (IEEE)) 2026

State-of-the-Art Power Electronics in AI Data Centers

In rack power templates, model PSU count per shelf and the 33 kW shelf limit for AC distribution, and check busbar, PDU and cooling impact together for racks that exceed 100 kW with several shelves.

  • AI rack density is 30-100+ kW against 7-10 kW for traditional racks; an 8-GPU DGX H100 draws around 10,200 W.
Research paperFree to read

Revista de Informática Teórica e Aplicada (Universidade Federal do Rio Grande do Sul) 2019

Stochastic Models for Optimizing Availability, Cost and Sustainability of Data Center Power Architectures through Genetic Algorithm

Recognise that topology choice is only part of availability; equipment selection within a fixed topology can trade availability, losses and cost.

  • Tier I: cost 122,322.20 to 116,004.52 USD (5.16%), exergy 203.39 to 140.13 J (31.10%), availability 3.3643 to 3.4005 nines.
Research paperPDF

IEEE Open Journal of Industry Applications (Institute of Electrical and Electronics Engineers (IEEE)) 2025

Study of DC Arc Flash Phenomenon From 1000 V Lithium Ion Battery Systems

In arc flash estimation for high-voltage battery rooms, do not use the maximum-power method alone with an enclosure multiplier; cross-check unrealistic results with measurement-based models such as Ammerman's.

  • 91 arc-flash experiments were performed on LFP and LTO lithium-ion battery sources at voltages up to roughly 1000 VDC.
Research paperFree to read

arXiv preprint (Microsoft Azure Research / University of Illinois) 2025

TAPAS: Thermal- and Power-Aware Scheduling for LLM Inference in Cloud Platforms

Couple thermal and power headroom in the design tool: show how inlet temperature rise with outdoor conditions (for economiser or adiabatic systems) erodes GPU thermal margin and can trigger throttling.

  • GPU temperature must stay below a threshold (for example 85 C) beyond which hardware throttles computation.
Technical guideFree to read

Data Center Frontier (Black & Veatch contributed article) 2024

The Benefits of Implementing Substations for Data Centers

Offer a substation object with a configuration field (radial, main-tie-main, ring bus, breaker-and-a-half, double-bus double-breaker) and an insulation type field (AIS, GIS), with footprint and cost multipliers.

  • Some high-voltage equipment has 1-3 year procurement lead times.
Research paperPDF

Energies (MDPI AG) 2017

Thermal Impact Analysis of Circulating Current in High Power Modular Online Uninterruptible Power Supplies Application

For paralleled modules in a modular UPS, do not look only at the N+1 redundancy count; add to the design check that module-to-module filter and control parameter differences cause circulating current and thermal imbalance.

  • The authors recommend keeping overshoot or sag on module switching within 10% of nominal critical-bus voltage.

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