Method for the overall optimization of the operation of distributed storage devices in an electrical power supply system having distributed generators and loads
First Claim
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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Accused Products
Abstract
The invention substantially relates to a method, wherein operational control parameters and/or control limits, which are to be conveyed using communications technology, are determined on the operator side for each of the distributed storage devices in such a way that a specific cost function is minimal for all of the distributed storage devices on the basis of locally measured variables determined at the respective storage device and transmitted to the operator and on the basis of installation-dependent control limits stored locally in each case and which are also transmitted to the operator, and wherein the operational control parameters and/or control limits, which are to be conveyed using communications technology, are transmitted from the operator side to the corresponding distributed storage devices and implemented there. Consideration of the locally limited available energy and power and the boundary conditions resulting from serving multiple applications from one storage device hereby ensures power availability and, by way of example, an optimal overall service life of all distributed storage devices.
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Citations
18 Claims
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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:
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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 and the 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18)
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14. A method for overall optimization of the operation of distributed storage devices in an electrical power supply system having distributed loads, the method comprising:
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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 the cost function, which is to be minimized, corresponds to running costs, which are to be minimized, of all of the distributed storage devices (Si) and these running costs are determined in that the running costs are calculated on the basis of investment costs for the distributed storage devices, operating costs for the distributed storage devices and a service life of all of the distributed storage devices as a whole, wherein the investment costs for the distributed storage devices and the operating costs for the distributed storage devices are linearly transferred to a remaining service life (L−
t) of all of the distributed storage devices as a whole.
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Specification