Alternative data center power

A quantitative TCO comparison of 400V AC and 600V AC power systems

Power efficiency has become a critical focus for IT and facilities managers as they struggle to meet ever-increasing demands for faster, more reliable data processing while also reducing data center cost and minimizing environmental impact.

More efficient power distribution systems, combined with recent advancements in electrical design and uninterruptible power system (UPS) technology, enable data center managers to significantly improve system-wide power efficiency. Studies show that most managers of large data centers are planning to upgrade their existing 480V AC power infrastructure over the next few years, implementing more efficient 400V AC or 600V AC equipment.

This paper provides a quantitative analysis of 400V AC and 600V AC power distribution systems, at power load levels ranging from 300 kVA to 10 MVA, to determine which offers the lowest total cost of ownership (TCO).

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