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| Unit Commitment× | Economic Dispatch× | |
|---|---|---|
| Fagområde | Elektroteknik | Elektroteknik |
| Familie | Process / pipeline | Process / pipeline |
| Oprindelsesår≠ | 1959 | 1958 |
| Ophavsperson≠ | Charles J. Baldwin | Lester K. Kirchmayer |
| Type≠ | Combinatorial optimization for generator turn-on/turn-off scheduling | Continuous optimization for allocating power output among committed generators |
| Oprindelig kilde≠ | Baldwin, C. J., Dale, K. M., & Dittrich, R. F. (1959). A study of the economic shutdown of generating units in daily dispatch. AIEE Transactions, 78(3), 272-282. link ↗ | Kirchmayer, L. K. (1958). Economic Operation of Power Systems. Wiley & Sons. link ↗ |
| Aliasser≠ | UC, Generator Commitment, Thermal Unit Scheduling | ED, Least-Cost Generation Dispatch |
| Relaterede | 3 | 3 |
| Resumé≠ | Unit Commitment (UC) is the problem of deciding which power generation units should be switched on or off over a planning horizon (typically 24-168 hours) to minimize total operating cost while meeting demand and reserve requirements. Introduced by Baldwin et al. in 1959, UC is a fundamental scheduling problem in power system operations, combining combinatorial optimization (which units to commit) with continuous optimization (optimal power output). UC remains one of the most important and computationally challenging problems in power systems. | Economic Dispatch (ED) is the process of optimally allocating power output among committed generators to meet demand at minimum fuel cost. Introduced by Kirchmayer in 1958, ED is a fundamental real-time optimization problem solved every few minutes in power system operations. Unlike Unit Commitment (which decides generator on/off), ED assumes generators are already committed and focuses on splitting load most economically. ED's rapid feedback enables efficient real-time power plant operations. |
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