Distributed Fixed-Time Dynamic Event-Triggered Algorithm for Economic Dispatch in Smart Grids Over Directed Networks

A fresh algorithm is presented for tackling the economic dispatch problem (EDP) in smart grids with directed network topology. This algorithm is based on distributed consensus and aims to minimize the total cost of power generation while maintaining the balance between power supply and demand and co...

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Vydáno v:IEEE transactions on industrial cyber-physical systems Ročník 3; s. 173 - 180
Hlavní autoři: Ji, Lianghao, Liu, Qi, Zhang, Cuijuan, Yang, Shasha, Li, Huaqing
Médium: Journal Article
Jazyk:angličtina
Vydáno: IEEE 2025
Témata:
Convergence
Costs
Cyber-physical systems
Directed network
economic dispatch
Estimation
Event detection
event-triggered strategy
fixed-time consensus
Generators
Heuristic algorithms
Security
Smart grids
Topology
ISSN:2832-7004, 2832-7004
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Shrnutí:A fresh algorithm is presented for tackling the economic dispatch problem (EDP) in smart grids with directed network topology. This algorithm is based on distributed consensus and aims to minimize the total cost of power generation while maintaining the balance between power supply and demand and complying with generation capacity restrictions. Even with unknown and bounded disturbances, this algorithm can achieve optimal dispatch within a fixed time. In addition, an expected settling time can be calculated, which is a more accurate upper bound estimation that relies solely on the generators' initial conditions. Meanwhile, the dynamic event-triggered strategy is employed for reducing sampling frequency and network resource consumption. Finally, numerical simulations validate the effectiveness of the designed algorithm.
ISSN:2832-7004
2832-7004
DOI:10.1109/TICPS.2024.3522883