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Method for the overall optimization of the operation of distributed storage devices in an electrical power supply system having distributed generators and loads

  • US 9,866,025 B2
  • Filed: 07/31/2012
  • Issued: 01/09/2018
  • Est. Priority Date: 07/31/2012
  • Status: Active Grant
First Claim
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1. A method for overall optimization of the operation of distributed storage devices in an electrical power supply system having distributed loads, the method comprising:

  • operating the distributed storage devices according to operational control parameters and/or control limits (p_r);

    wherein the operational control parameters and/or control limits (p_r), which are to be conveyed using communications technology, are determined on the operator side (O) for each of the distributed storage devices (Si) in such a way that a specific cost function is minimal for all of the distributed storage devices as a whole on a basis of locally measured variables (p_l) determined at the respective storage device and transmitted to the operator,wherein the operational control parameters and/or control limits (p_r), which are to be conveyed using communications technology, are transmitted from the operator side (O) to the corresponding distributed storage devices (Si) and implemented,wherein a service life of all of the distributed storage devices as a whole is determined in that;

    a list comprising the distributed storage devices is ordered according to their individual remaining service times,the storage devices having the shortest remaining service times in each case are successively removed from the list until the remaining capacity of all of the distributed storage devices as a whole or the maximum discharging/charging current of all of the distributed storage devices as a whole falls below a predefined threshold andthe service life of all of the distributed storage devices as a whole corresponds to the service life of the storage device removed last from the list.

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