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System and method of supplying an electrical system with direct current

  • US 8,713,332 B2
  • Filed: 03/02/2011
  • Issued: 04/29/2014
  • Est. Priority Date: 03/02/2010
  • Status: Active Grant
First Claim
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1. A system for supplying an electrical system with direct current, comprising:

  • at least two direct current power supply devices each comprising means of electrical connection to an alternating current source and an AC/DC converter of alternating current into direct current;

    a module for managing the power supply of the electrical system and configured, after reception of an information of failure of a first active power supply device among said at least two direct current power supply devices, to transmit a command to start up a second inactive power supply device of said at least two direct current power supply devices; and

    a back up electrical energy storage device electrically by-pass connected between the at least two direct current power supply devices and the electrical system,wherein the management module is configured to receive the information of failure from the back up device or from the electrical system, or both, and to transmit the command to start up the second power supply device during a discharge phase of the back up device.

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