NDLI: Real-time distributed economic dispatch scheme of grid-connected microgrid considering cyberattacks

Content Provider	IET Digital Library
Author	Huang, Chongxin Wang, Jing Deng, Song Yue, Dong
Abstract	Cyber security of microgrids attracts increasing attention since the relatively open communication network of the microgrids is vulnerable to hacker attacks. This study proposes a real-time distributed economic dispatch scheme for the grid-connected microgrid against the cyberattacks. Firstly, a virtual leader agent is placed at the point of common coupling to measure the real-time power tracking error for achieving the power supply–demand balance, and then the optimal solution of the economic dispatch model is solved by the consensus algorithm of the multi-agent system theory. Subsequently, a set of detection algorithms is designed for each generator to determine whether its neighbouring generators suffer from the cyberattacks. The attacked generator is gradually marginalised from the communication network through updating the weight in the communication adjacency matrix based on its reputation value, thereby the impact of the attacked generator on the whole system is reduced greatly. Finally, the numerical simulations are carried out to verify the effectiveness of the proposed cyberattack-resilient distributed economic dispatch scheme.
Starting Page	2750
Ending Page	2758
Page Count	9
ISSN	17521416
Volume Number	14
e-ISSN	17521424
Issue Number	Issue 14, Oct (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/14/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2019.1355
Journal	IET Renewable Power Generation
Publisher Date	2020-08-13
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Attacked Generator Communication Adjacency Matrix Consensus Algorithm Cyber Security Cyberattack-resilient Distributed Economic Dispatch Scheme Data Security Distributed Power Generation Economic Dispatch Model Grid-connected Microgrid Hacker Attack Linear Algebra Matrix Algebra Multi-agent System Multiagent System Theory Neighbouring Generator Numerical Analysis Numerical Simulation Open Communication Network Power Engineering Computing Power Generation Dispatch Power Generation Economics Power Supply–demand Balance Power System Economics Power System Managemen Power System Operation Real Time System Real-time Distributed Economic Dispatch Scheme Real-time Power Tracking Error Security of Data Virtual Leader Agent
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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