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BATTERY SYSTEM BALANCING CONTROL METHOD FOR PERFORMING BALANCING CONTROL WITH AID OF REFERENCE VOLTAGE INFORMATION AND BATTERY SYSTEM THEREOF

  • US 20140239899A1
  • Filed: 02/27/2014
  • Published: 08/28/2014
  • Est. Priority Date: 02/27/2013
  • Status: Active Grant
First Claim
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1. A battery system balancing control method for performing balancing control with aid of reference voltage information, the battery system balancing control method being applied to a power supply device, the battery system balancing control method comprising the steps of:

  • after a first reference resistor of a plurality of reference resistors is installed into a first battery module of a set of battery modules connected in series within the power supply device and a second reference resistor of the plurality of reference resistors is installed into a second battery module of the set of battery modules and the reference resistors are electrically connected in series, converting a total voltage of the set of battery modules into the reference voltage information, wherein the first battery module comprises a first battery cell having a first battery voltage, the second battery module comprises a second battery cell having a second battery voltage, and the reference voltage information comprises a first set of reference voltage levels corresponding to the first reference resistor and a second set of reference voltage levels corresponding to the second reference resistor; and

    performing balancing control of the first battery module according to the first set of reference voltage levels corresponding to the first reference resistor, and performing balancing control of the second battery module according to the second set of reference voltage levels corresponding to the second reference resistor.

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