Distributed Secondary and Optimal Active Power Sharing Control for Islanded Microgrids With Communication Delays

As the communication delays in smart grid are considered, the novel secondary voltage and frequency restoration, the optimal active power sharing, and the accurate reactive power sharing protocols are proposed in this paper. The Lyapunov-Krasovskii functions are used to analyze the stability of our...

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Vydáno v:IEEE transactions on smart grid Ročník 10; číslo 2; s. 2002 - 2014
Hlavní autoři: Chen, Gang, Guo, Zhijun
Médium: Journal Article
Jazyk:angličtina
Vydáno: Piscataway IEEE 01.03.2019
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Active control
Communication
Communication networks
Control stability
Delays
Distributed coordinated control
Distributed generation
Electric potential
Electric power grids
frequency and voltage restoration
Frequency control
Microgrids
Multi-agent systems
multiagent consensus algorithm
optimal power sharing
Protocols
Reactive power
Restoration
secondary control
Sensitivity analysis
Smart grid
Stability analysis
time delays
Voltage control
ISSN:1949-3053, 1949-3061
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Shrnutí:As the communication delays in smart grid are considered, the novel secondary voltage and frequency restoration, the optimal active power sharing, and the accurate reactive power sharing protocols are proposed in this paper. The Lyapunov-Krasovskii functions are used to analyze the stability of our proposed distributed secondary control schemes. Sensitivity analysis of time delays is also provided. Whether the communication delays exist or not, the control protocols always guarantee that the output voltage amplitude and frequency of each distributed generator synchronize to the reference values and maintain the optimal active power sharing and the accurate reactive power sharing properties. Moreover, our proposed control protocols are implemented through sparse communication networks and thus meet the plug-and-play feature of the future smart grid. Simulation results are provided to show the effectiveness of the proposed control protocols.
Bibliografie:ObjectType-Article-1
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ISSN:1949-3053
1949-3061
DOI:10.1109/TSG.2017.2785811