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ENERGY STORAGE SYSTEM AND METHOD OF DRIVING THE SAME

  • US 20150288212A1
  • Filed: 04/02/2015
  • Published: 10/08/2015
  • Est. Priority Date: 04/04/2014
  • Status: Active Grant
First Claim
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1. An energy storage system, comprising:

  • a battery system including at least one battery rack and at least one rack battery management system (BMS);

    a direct current (DC) contactor located between the battery system and a power conversion system;

    a first power supply unit configured to be electrically connected to the DC contactor;

    a second power supply unit electrically connected to the rack BMS; and

    a first switch electrically connected to the rack BMS,wherein the rack BMS is configured to electrically disconnect the DC contactor from the first power supply unit when the first switch is turned on.

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