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	Optimal Power Flow	Unit Commitment
Ämnesområde	Elektroteknik	Elektroteknik
Familj	Process / pipeline	Process / pipeline
Ursprungsår	1962	1959
Upphovsperson	Jean Carpentier	Charles J. Baldwin
Typ	Nonlinear constrained optimization for power system operation	Combinatorial optimization for generator turn-on/turn-off scheduling
Ursprungskälla	Carpentier, J. (1962). Contribution à l'étude du dispatching économique. Bulletin de la Société Française des Électriciens, 8(3), 431-447.	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.
Alias	OPF, Economic Dispatch with Constraints	UC, Generator Commitment, Thermal Unit Scheduling
Närliggande	3	3
Sammanfattning	Optimal Power Flow (OPF) is a fundamental optimization framework for computing the most economical and secure operating point of an electrical power system. Introduced by Jean Carpentier in 1962, OPF minimizes operational costs (fuel, losses, or other expenses) while satisfying physical and operational constraints. Modern electric grids depend on OPF for real-time economic dispatch, security analysis, and planning, making it one of the most important problems in power systems engineering.	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.