Disk array device and method of supplying power to disk array device
First Claim
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1. A disk array device to which power is supplied by at least two AC inputs, comprising:
- at least two AC/DC power-supply groups provided in correspondence with each of said AC inputs, each said AC/DC power-supply group including at least two AC/DC power supplies that are connected to the AC input corresponding to that group, wherein, outputs from said AC/DC power supplies are summed separately for each group as group total outputs, and said group total outputs are input to each of a plurality of loads in said disk array device to provide power to each said loads.
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Abstract
A disk array device and a method of supplying power to a disk array device to which power is supplied by at least two AC inputs are provided. Where at least two AC/DC power-supply groups are provided in correspondence with each of the AC inputs and each AC/DC power-supply group includes at least two AC/DC power supplies that are connected to the AC input corresponding to that group, outputs from the AC/DC power supplies are summed separately for each group to obtain group total outputs for each group, and the group total outputs are input to each of a plurality of loads in the disk array device to provide power to each of the loads.
18 Citations
1 Claim
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1. A disk array device to which power is supplied by at least two AC inputs, comprising:
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at least two AC/DC power-supply groups provided in correspondence with each of said AC inputs, each said AC/DC power-supply group including at least two AC/DC power supplies that are connected to the AC input corresponding to that group, wherein, outputs from said AC/DC power supplies are summed separately for each group as group total outputs, and said group total outputs are input to each of a plurality of loads in said disk array device to provide power to each said loads.
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Specification
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Current AssigneeHitachi, Ltd.
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Original AssigneeHitachi, Ltd.
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InventorsOgawa, Masato, Suzuki, Hiroshi, Matsushige, Hiromi, Yokoyama, Tomokazu
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current713/300
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CPC Class CodesG06F 1/26 Power supply means, e.g. re...G06F 1/30 Means for acting in the eve...G06F 11/2015 Redundant power supplies po...G11B 33/126 Arrangements for providing ...
