Switched Surplus-Based Distributed Security Dispatch for Smart Grid With Persistent Packet Loss

doi:10.1109/JIOT.2023.3311758

Switched Surplus-Based Distributed Security Dispatch for Smart Grid With Persistent Packet Loss

2024-02-15

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DOI：10.1109/JIOT.2023.3311758

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Communication network failure, e.g., persistent packet loss, may considerably affect the safe and stable operation of smart grids. This may degrade the performance of various components and applications, including energy management and economic dispatch. We propose a switched surplus-based distributed security dispatch approach to cope with the persistent packet loss under an unreliable communication network environment. First, we jointly consider the packet loss sequence and the dynamic triggering sequence to define actual affected periods caused by the persistent packet loss. Then, we outline an incentive scheme, integrate primal-dual analysis and eigenvalue perturbation theory to design the switched surplus-based distributed security dispatch algorithm. Further, we design a dynamic triggering mechanism that enables the proposed algorithm to dynamically switch to different modes according to the change in network state. With those components, the proposed method offers strong robustness against persistent packet loss. In addition, we provide the convergence and optimality proofs of the algorithm. Finally, simulation results are provided to validate the proposed method and to demonstrate its effectiveness.

Keywords:

Packet loss

Smart grids

Switches

Internet of Things

Optimization

Security

Indexes

Distributed optimization

dynamic trigger

economic dispatch

persistent packet loss

Switched Surplus-Based Distributed Security Dispatch for Smart Grid With Persistent Packet Loss

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