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Author Archives: Henry Hsu
How to Calculate Current on a 3-phase, 208V Rack PDU (Power Strip)
Problem Statement In recent years, extending 3-phase power distribution all the way to server cabinets and racks has become extremely popular in new data center builds — for many good reasons. Principally, for cabinet power capacities above 5kVA, utilizing 3-phase … Continue reading
Posted in Data Center, Energy Consumption Measurement, Power, Power Distribution
Tagged 3-phase, 3-phase power, Calculator, CDU, Current, Power Capacity, Rack PDU, Rack Power Strip, Tool
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Google Discloses Datacenter PUE of 1.21
While Google has typically closely-guarded details regarding their datacenters as a competitive advantage, the company recently disclosed a weighted-average PUE of 1.21. This is nothing short of astounding; one datacenter even posted a quarterly average PUE of 1.13! Google shares … Continue reading
