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Distributed event-triggering algorithm with uncoordinated step sizes for economic dispatch problem over unbalanced directed network
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DOI：10.1016/j.ijepes.2022.108601.png)
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Abstract
En 中文
This paper studies the economic dispatch problem of the smart grid based on unbalanced directed graph. An event triggering mechanism is introduced to save communication resources, and each generator broadcasts its information to its neighbors when the event-triggering condition is satisfied. A new distributed Lagrange algorithm with uncoordinated steps is proposed to accelerate the convergence of the algorithm. The row random matrix is introduced to balance the imbalance of the directed network, and convergence of the algorithm is analyzed by the small gain theorem as well. The theoretical analysis shows that when the cost function of the generator is convex and smooth, and the uncoordinated step size satisfies certain conditions. The algorithm can linearly get the optimal solution of economic dispatch problem. Finally, Simulation examples prove the effectiveness and applicability of the proposed algorithm.
Keywords:
Event-triggering
Unbalanced directed network
Economic dispatch
Uncoordinated step
Journal
I
IF:
5
Papers:
1.1W
Citations:
3.1W