Two-tier battery solution for data center backup
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United States of America Patent
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May 15, 2018
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app pub date -
Dec 4, 2015
filing date -
Dec 4, 2015
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Abstract
Methods, systems, and apparatus, including for back-up power sources. In one aspect, a method includes providing a plurality of first battery devices, each first battery device respectively electrically coupled to a respective server rack in a plurality of server racks and having a respective capacity to provide power to the respective rack for a power anomaly for up to a first duration. Providing a second battery device electrically coupled to the plurality of server racks and having a capacity to provide power to the plurality of respective server racks for a power anomaly for up to a second duration, wherein the second duration is longer than the first duration. A power anomaly is a deviation of mains power from one or more of a nominal supply voltage and frequency.
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