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ELECTRICAL ENERGY STORAGE SYSTEM WITH CONSTANT STATE-OF CHARGE FREQUENCY RESPONSE OPTIMIZATION

  • US 20170104344A1
  • Filed: 08/25/2016
  • Published: 04/13/2017
  • Est. Priority Date: 10/08/2015
  • Status: Active Grant
First Claim
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1. A frequency response optimization system comprising:

  • a battery configured to store and discharge electric power;

    a power inverter configured to control an amount of the electric power stored or discharged from the battery at each of a plurality of time steps during a frequency response period; and

    a frequency response controller configured to;

    receive a regulation signal from an incentive provider,determine statistics of the regulation signal,use the statistics of the regulation signal to generate a frequency response midpoint that maintains the battery at a constant state-of-charge (SOC) at a beginning and an end of the frequency response period while participating in a frequency response program, anduse the frequency response midpoint to determine optimal battery power setpoints for the power inverter;

    wherein the power inverter is configured to use the optimal battery power setpoints to control the amount of the electric power stored or discharged from the battery.

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