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Distributed Predictive Control for Networked DC Microgrids With Communication Delays and Packet Dropouts
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DOI：10.1109/TII.2024.3498095.png)
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摘要
En 中文
Microgrids have been identified as a viable solution to the integration of renewable distributed generations (DGs) into power systems, while the coordination of DGs is frequently hindered by nonideal communication networks. To eliminate the negative consequences of these communication constraints, this article proposes a distributed predictive-proportional-integral control strategy for dc microgrids subject to communication delays and packet dropouts. The proposed control method can achieve voltage regulation and proportional power sharing simultaneously in a distributed manner. To address the issues of time delay and packet loss, an active prediction method is recommended, in combination with the PID scheme, which makes use of the model information and historical data for predictive compensation as well as retain the benefits of PID controllers effectively. The closed-loop system of the dc microgrid under the proposed control scheme is presented for stability and consensus analysis. Finally, experimental results from a wind turbine-based dc microgrid system are provided to demonstrate the superiority and effectiveness of the proposed method.
Keyword:
Voltage control
Delays
Predictive control
Delay effects
Voltage measurement
Pulse width modulation
Packet loss
Microgrids
Predictive models
Informatics
Communication delay and packet dropouts
dc microgrids (MGs)
delay compensation
networked predictive control
