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Charger device for battery supported power supplies

  • US 10,312,698 B2
  • Filed: 02/15/2018
  • Issued: 06/04/2019
  • Est. Priority Date: 02/23/2015
  • Status: Active Grant
First Claim
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1. A power supply system, comprising:

  • a battery comprising a first battery portion and a second battery portion; and

    a charger device comprising a sensor configured to measure a differential current as a difference between a first current through the first battery portion and a second current through the second battery portion and to provide a current difference signal based on the measured differential current, wherein the first battery portion and the second battery portion are centrally earthed;

    the charger device further comprising a compensator configured to calculate a first current setpoint used for the first battery portion and a second current setpoint used for the second battery portion based on the current difference signal and a battery current setpoint;

    the charger device further comprising a controller configured to control charging and/or discharging of the first battery portion based on the first current setpoint and of the second battery portion based on the second current setpoint, wherein the controller comprises a first portion charging device configured to control charging and/or discharging of the first battery portion based on the first current setpoint, and a second portion charging device configured to control charging and/or discharging of the second battery portion based on the second current setpoint;

    wherein the charger device is configured to control charging and/or discharging of the battery.

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