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Method of measuring voltage of battery pack and energy storage system including the battery pack

  • US 9,306,409 B2
  • Filed: 03/15/2013
  • Issued: 04/05/2016
  • Est. Priority Date: 08/06/2012
  • Status: Active Grant
First Claim
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1. A battery system comprising a battery management system (BMS) having a hierarchical structure comprising an upper layer BMS and a lower layer BMS, wherein the upper layer BMS is a master and the lower layer BMS is a slave, wherein the master transmits a request signal to the slave wirelessly, and wherein the slave transmits a response signal based on the request signal wirelessly to the master, wherein the structure of the BMS includes an intermediate layer BMS, which is between the upper layer BMS and the lower layer BMS, and wherein the request signal is transmitted from the master to the slave without use of the intermediate layer BMS, and the response signal is transmitted from the slave to the master without use of the intermediate layer BMS.

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