期刊
IEEE JOURNAL ON EMERGING AND SELECTED TOPICS IN CIRCUITS AND SYSTEMS
卷 12, 期 1, 页码 194-204出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JETCAS.2022.3152938
关键词
Frequency control; Stability analysis; Voltage control; Microgrids; Power system stability; Inverters; Artificial neural networks; Power sharing control; islanded microgrid; plug-and-play; data-driven learning control
资金
- Swiss Centre for Competence in Energy Research on the Future Swiss Electrical Infrastructure (SCCER-FURIES) through the Swiss Innovation Agency (InnosuisseSCCER Program)
- Swiss National Science Foundation [200021_172828]
- Beijing Institute of Technology Research Fund Program for Young Scholars
- Swiss National Science Foundation (SNF) [200021_172828] Funding Source: Swiss National Science Foundation (SNF)
This paper proposes a new discrete-time data-driven distributed learning control strategy for frequency/voltage regulation and active/reactive power sharing in islanded microgrids. Instead of using the conventional control structure, a new control framework is adopted and a neural network is used for learning the control law. The neural network is trained online using operational data, resulting in improved transient performance and plug-and-play capability. The stability of the closed-loop system is analyzed using the Lyapunov approach considering the interactions between different distributed energy resources. The effectiveness of the proposed method is demonstrated through real-time hardware-in-the-loop experiment of a typical microgrid.
In this paper, a new discrete-time data-driven distributed learning control strategy for frequency/voltage regulation and active/reactive power sharing of islanded microgrids is proposed. Instead of using the static droop relationship and the conventional primary-secondary hierarchical control structure, a new control framework is adopted and a neural network is used to learn the control law. The neural network is tuned online using the operational system input/output data with no training phase. As a result, the transient performance of microgrids is improved and a remarkable plug-and-play capability is also achieved. Moreover, the stability of the closed-loop system is analyzed through the Lyapunov approach, where the interactions between different distributed energy resources are considered. The effectiveness of the proposed method is demonstrated by real-time hardware-in-the-loop experiment of a typical microgrid.
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