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SERVER AND UNINTERRUPTABLE POWER SUPPLY HOUSED IN THAT SERVER

  • US 20110133560A1
  • Filed: 12/08/2010
  • Published: 06/09/2011
  • Est. Priority Date: 12/09/2009
  • Status: Abandoned Application
First Claim
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1. A server comprising:

  • a main server block that holds a plurality of blade servers and/or rack servers in a server case; and

    an uninterruptible power supply housed in the server case of the main server block that supplies 150V-400V DC operating power to the main server block input power supply lines both when commercial power source power outage occurs and when there is no power outage,wherein the uninterruptible power supply comprising;

    rechargeable batteries with a voltage specification of 60V or less that supply operating power to the main server block during commercial power source outage;

    an AC/DC converter that converts power input from an external commercial power source to DC, supplies charging power to the rechargeable batteries, and supplies DC power to the main server block input power supply lines;

    a DC/DC step-down converter that steps-down the AC/DC converter output voltage to the rechargeable battery charging voltage;

    a DC/DC boost converter with constant voltage characteristics that steps-up the rechargeable battery voltage and supplies power to the main server block input power supply lines during power outage; and

    a charging and discharging control circuit that detects commercial power source outage and switches the DC/DC boost converter to the operating state,wherein when there is no commercial power source outage, operating power is supplied to the main server block input power supply lines from the AC/DC converter, andwherein when commercial power source outage occurs, the charging and discharging control circuit detects power outage and puts the DC/DC boost converter in the operating state to supply operating power from the rechargeable batteries to the main server block input power supply lines.

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