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	Droop-styrning	Unit Commitment
Ämnesområde	Elektroteknik	Elektroteknik
Familj	Process / pipeline	Process / pipeline
Ursprungsår	2013	1959
Upphovsperson	Juan M. Guerrero	Charles J. Baldwin
Typ	Decentralized control for synchronous operation of distributed generators	Combinatorial optimization for generator turn-on/turn-off scheduling
Ursprungskälla	Guerrero, J. M., Vasquez, J. C., Matas, J., Castilla, M., & de Vicuña, L. G. (2013). Hierarchical control of droop-controlled AC and DC microgrids. IEEE Transactions on Power Electronics, 28(11), 4915-4933.	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	Frequency droop, Voltage droop, Decentralized control	UC, Generator Commitment, Thermal Unit Scheduling
Närliggande	3	3
Sammanfattning	Droop Control is a decentralized control method that enables independent generators (inverters, microgrids) to operate synchronously without direct communication. Introduced by Guerrero et al. in 2013 for microgrids, droop control uses frequency and voltage deviations as signals to share power. By making generator output depend on frequency and voltage (like synchronous generators), microgrids achieve plug-and-play operation. Essential for modern distributed energy resources and grid resilience.	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.