Method of dynamic economic dispatch
First Claim
1. A method, comprising:
- for an electrical power system comprising a plurality of committed electrical power generating units;
for each of the committed electrical power generating units, obtaining an optimal power output temporal trajectory, the optimal power output temporal trajectory constrained by a ramping limit of the committed electrical power generating unit;
obtaining an optimal power reserve temporal trajectory for each of the committed electrical power generating units; and
assigning each of the optimal power output temporal trajectories to the respective electrical power generating units so that, over a predetermined consecutive set of time intervals, an integrated cost of system power output is minimized and a system reserve requirement is met.
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Abstract
Certain exemplary embodiments provide a method comprising: for an electrical power system comprising a plurality of committed electrical power generating units: for each of the committed electrical power generating units, obtaining an optimal power output temporal trajectory, the optimal power output temporal trajectory constrained by a ramping limit of the committed electrical power generating unit; obtaining an optimal power reserve temporal trajectory for each of the committed electrical power generating units; and assigning each of the optimal power output temporal trajectories to the respective electrical power generating units so that, over a predetermined consecutive set of time intervals, an integrated cost of system power output is minimized and a system reserve requirement is met.
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Citations
28 Claims
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1. A method, comprising:
for an electrical power system comprising a plurality of committed electrical power generating units;
for each of the committed electrical power generating units, obtaining an optimal power output temporal trajectory, the optimal power output temporal trajectory constrained by a ramping limit of the committed electrical power generating unit;
obtaining an optimal power reserve temporal trajectory for each of the committed electrical power generating units; and
assigning each of the optimal power output temporal trajectories to the respective electrical power generating units so that, over a predetermined consecutive set of time intervals, an integrated cost of system power output is minimized and a system reserve requirement is met. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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27. A machine-readable medium containing instructions for activities comprising:
for an electrical system comprising a plurality of committed electrical power generating units;
calculating a power output value for each of the committed electrical power generating units;
calculating a power reserve value for each of the committed electrical power generating units; and
assigning each of the corresponding optimal power output temporal trajectories to the respective electrical power generating units so that, over a predetermined consecutive set of time intervals, an integrated cost of system power output is minimized and a system reserve requirement is met.
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28. A system comprising:
for an electrical system comprising a plurality of committed electrical power generating units;
a power output processor adapted to calculate a power output value for each of the committed electrical power generating units;
a power reserve processor adapted to calculate a power reserve value for each of the committed electrical power generating units; and
a power output assignment processor adapted to assign each of the corresponding optimal power output temporal trajectories to the respective electrical power generating units so that, over a predetermined consecutive set of time intervals, an integrated cost of system power output is minimized and a system reserve requirement is met.
Specification