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

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White paperFree to readEditor’s pick

Schneider Electric 2024

The Different Types of UPS Systems

Store the IEC class code (for example VFI-SS-111) and the topology type on every UPS model, and compare models through those fields.

  • Standby and line-interactive units need almost 10 ms to detect a failure and transfer.

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White paperFree to readEditor’s pick

Schneider Electric 2024

The Different Types of UPS Systems

Store the IEC class code (for example VFI-SS-111) and the topology type on every UPS model, and compare models through those fields.

  • Standby and line-interactive units need almost 10 ms to detect a failure and transfer.
Research paperPDF

arXiv preprint (Texas Tech University / PNNL; submitted to Renewable and Sustainable Energy Reviews) 2026

A Critical Review of Grid Integration Challenges and Flexibility Opportunities for Large-Scale Data Centers

Base interconnection studies on staged, updatable facility data rather than a single static MW value; requested peak MW and annual energy alone do not establish integration.

  • Under IEEE 519-2022, voltage-distortion limits at the PCC are the system owner's responsibility and current-distortion limits are the user's; a scalar THD cannot rule out narrow-band resonance.
White paperFree to read

Schneider Electric 2011

AC vs. DC Power Distribution for Data Centers

In the power-chain efficiency calculator multiply UPS, transformer/PDU, distribution and PSU efficiencies at the actual load fraction rather than nameplate, and offer architecture presets for the five options with Table 1 values as defaults.

  • The paper calls the North American 480 V AC system with PDU transformers inefficient and obsolete for new designs.
Research paperPDF

ITEGAM- Journal of Engineering and Technology for Industrial Applications (ITEGAM-JETIA) (GN1 Sistemas e Publicacoes Ltd.) 2021

Analysis of Power Quality Parameters at Comparing UPS of Different Technologies

Choose online double-conversion UPS for loads where power quality improvement is expected; an offline UPS passes harmonics and unbalance through to the load side.

  • Output power factor: offline UPS 0.95, online UPS 0.97 (PRODIST range 0.92-1.00).

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