Collection

Recently added

Technical references added to the library in the last 90 days.

Sources
1044
Downloadable PDFs
270
Years
1984–2027

All sources

481–504 / 1044

Technical guideFree to read

Consulting-Specifying Engineer 2023

Medium voltage increases savings to power multistory data centers

Offer an MV distribution template (13.2 kV, main-tie-tie-main, separated rooms) for multistory halls and compute conduit and cable quantities against 480 V.

  • Multiple control-power sources are switched by an 83 relay, one fed directly from the on-site generator, plus a black-start relay.
Technical guideFree to read

Legrand 2025

Meeting the Demands of Flexible Data Center Design

In the cabinet catalogue record supported PDU mounting positions (count, inside/outside, 0U slots) and whether mounting is toolless.

  • Combination C13/C19 outlets accept both C14 and C20 plugs, easing IT refreshes.
Research paperPDF

IEEE Transactions on Sustainable Computing (Institute of Electrical and Electronics Engineers (IEEE)) 2017

Metrics for Sustainable Data Centers

In data-centre comparisons, do not use PUE as a cross-facility metric; normalise for IT load, weather and location, or state the same conditions.

  • Tier availability figures quoted: Tier I 99.671%, Tier II 99.741%, Tier III 99.982%, Tier IV 99.995%.
White paperFree to read

Schneider Electric 2011

Modular Systems: The Evolution of Reliability

In the availability model give each UPS and cooling unit a failure-domain attribute (racks lost on its failure) alongside MTBF, so users can compare one large UPS with distributed or modular N+1 options by blast radius, not just component count.

  • IT equipment changes every 2 to 3 years, while traditional infrastructure is deployed once for projected maximum load.
Research paperPDF

Frontiers in Environmental Science (Frontiers Media SA) 2026

Net sustainability assessment of AI-driven data centers in the GCC: an MCDA approach framework

In AI data-centre investment assessment in hot, arid regions, weigh carbon, water, social and governance criteria together with explicit weights (0.40/0.25/0.20/0.15); indirect water (desalination energy) was about 0.68 times direct cooling water.

  • In the extended boundary, embodied carbon adds 15-25% to the operational footprint.
Technical guideFree to read

Uptime Institute Journal (Uptime Institute) 2021

New ASHRAE guidelines challenge efficiency drive

Tie the humidity control setting to the contamination class: allow the 70% RH upper limit only when coupon test results are entered and within limits.

  • The 5th edition includes a new high-density class.

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