![]() ![]() Then this power is stepped down to 208V AC or 120V AC via transformers for distribution to racks for use by servers and other IT equipment.Īn uninterruptible power supply (UPS) and energy storage systems such as batteries are used as power backup for power interruption and disturbances. In an AC power data center, the power is distributed to the facility at 600V AC or 480V AC. The direction of the current reverses, or alternates periodically, 60 times per second (in the U.S.) or 50 times per second (in Europe). What is AC Power?Īlternating current (AC) power is a standard electricity format that comes from a power plant. This article will walk you through the basics of these two data center power systems and how they compare to each other. There’s been a debate over which power distribution architecture, namely Alternating Current (AC) or Direct Current (DC), is the most efficient for data centers. Data center owners and operators take every opportunity to improve power efficiency and reduce operating cost. When it comes to data center design, power distribution architecture is arguably one of the most important aspects to be considered.
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