Stability Analysis and Design of Islanded Microgrids Integrating Pinning-Based and Consensus-Based Distributed Secondary Control

Jingxi Yang; Chao Charles Liu; Chi K. Tse; Meng Huang

doi:10.1109/TPEL.2024.3402440

Stability Analysis and Design of Islanded Microgrids Integrating Pinning-Based and Consensus-Based Distributed Secondary Control

Jingxi Yang, Chao Charles Liu^*, Chi K. Tse, Meng Huang

^*Corresponding author for this work

Department of Electrical Engineering

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

9 Citations (Scopus)

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Abstract

In this paper, the impact of pinning-based and consensus-based distributed secondary control on the stability of islanded microgrids is studied. A nonlinear model of the islanded microgrid is first established, incorporating the voltage-loop dynamics and communication delay. Using this model, the influence of the secondary control on the microgrid's dynamical behavior is explored, and in particular, the improved robustness and stability contributed by the voltage-increment-based secondary control is highlighted. Besides, the effects of the topology of communication networks and the selection of driver controllers on the system stability are revealed, and such effects are quantitatively measured by the algebraic connectivity and the conditional number. Moreover, small-signal models and the corresponding loop gains are derived for expediting the selection of suitable secondary control parameters. Furthermore, a design procedure of the distributed secondary control system is demonstrated. Finally, analytical findings are verified by cycle-by-cycle full-circuit simulations and laboratory experiments. © 2024 IEEE.

Original language	English
Pages (from-to)	9490-9504
Journal	IEEE Transactions on Power Electronics
Volume	39
Issue number	8
Online published	17 May 2024
DOIs	https://doi.org/10.1109/TPEL.2024.3402440
Publication status	Published - Aug 2024

Funding

. This work is supported by Hong Kong Research Grants Council under GRF 112071/21E, City University of Hong Kong Grant 9229105, and the National Natural Science Foundation of China under Grant 52222707

Research Keywords

Communication network
complex behavior
design-oriented
distributed secondary control
driver controller
stability analysis

Publisher's Copyright Statement

COPYRIGHT TERMS OF DEPOSITED POSTPRINT FILE: © 2024 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Yang, J., Liu, C. C., Tse, C. K., & Huang, M. (2024). Stability Analysis and Design of Islanded Microgrids Integrating Pinning-Based and Consensus-Based Distributed Secondary Control. IEEE Transactions on Power Electronics, 39(8), 9490-9504. https://doi.org/10.1109/TPEL.2024.3402440

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title = "Stability Analysis and Design of Islanded Microgrids Integrating Pinning-Based and Consensus-Based Distributed Secondary Control",

abstract = "In this paper, the impact of pinning-based and consensus-based distributed secondary control on the stability of islanded microgrids is studied. A nonlinear model of the islanded microgrid is first established, incorporating the voltage-loop dynamics and communication delay. Using this model, the influence of the secondary control on the microgrid's dynamical behavior is explored, and in particular, the improved robustness and stability contributed by the voltage-increment-based secondary control is highlighted. Besides, the effects of the topology of communication networks and the selection of driver controllers on the system stability are revealed, and such effects are quantitatively measured by the algebraic connectivity and the conditional number. Moreover, small-signal models and the corresponding loop gains are derived for expediting the selection of suitable secondary control parameters. Furthermore, a design procedure of the distributed secondary control system is demonstrated. Finally, analytical findings are verified by cycle-by-cycle full-circuit simulations and laboratory experiments. {\textcopyright} 2024 IEEE.",

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author = "Jingxi Yang and Liu, {Chao Charles} and Tse, {Chi K.} and Meng Huang",

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language = "English",

volume = "39",

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Stability Analysis and Design of Islanded Microgrids Integrating Pinning-Based and Consensus-Based Distributed Secondary Control. / Yang, Jingxi; Liu, Chao Charles ; Tse, Chi K. et al.
In: IEEE Transactions on Power Electronics, Vol. 39, No. 8, 08.2024, p. 9490-9504.

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

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T1 - Stability Analysis and Design of Islanded Microgrids Integrating Pinning-Based and Consensus-Based Distributed Secondary Control

AU - Yang, Jingxi

AU - Liu, Chao Charles

AU - Tse, Chi K.

AU - Huang, Meng

PY - 2024/8

Y1 - 2024/8

N2 - In this paper, the impact of pinning-based and consensus-based distributed secondary control on the stability of islanded microgrids is studied. A nonlinear model of the islanded microgrid is first established, incorporating the voltage-loop dynamics and communication delay. Using this model, the influence of the secondary control on the microgrid's dynamical behavior is explored, and in particular, the improved robustness and stability contributed by the voltage-increment-based secondary control is highlighted. Besides, the effects of the topology of communication networks and the selection of driver controllers on the system stability are revealed, and such effects are quantitatively measured by the algebraic connectivity and the conditional number. Moreover, small-signal models and the corresponding loop gains are derived for expediting the selection of suitable secondary control parameters. Furthermore, a design procedure of the distributed secondary control system is demonstrated. Finally, analytical findings are verified by cycle-by-cycle full-circuit simulations and laboratory experiments. © 2024 IEEE.

AB - In this paper, the impact of pinning-based and consensus-based distributed secondary control on the stability of islanded microgrids is studied. A nonlinear model of the islanded microgrid is first established, incorporating the voltage-loop dynamics and communication delay. Using this model, the influence of the secondary control on the microgrid's dynamical behavior is explored, and in particular, the improved robustness and stability contributed by the voltage-increment-based secondary control is highlighted. Besides, the effects of the topology of communication networks and the selection of driver controllers on the system stability are revealed, and such effects are quantitatively measured by the algebraic connectivity and the conditional number. Moreover, small-signal models and the corresponding loop gains are derived for expediting the selection of suitable secondary control parameters. Furthermore, a design procedure of the distributed secondary control system is demonstrated. Finally, analytical findings are verified by cycle-by-cycle full-circuit simulations and laboratory experiments. © 2024 IEEE.

KW - Communication network

KW - complex behavior

KW - design-oriented

KW - distributed secondary control

KW - driver controller

KW - stability analysis

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Stability Analysis and Design of Islanded Microgrids Integrating Pinning-Based and Consensus-Based Distributed Secondary Control

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Stability Analysis and Design of Islanded Microgrids Integrating Pinning-Based and Consensus-Based Distributed Secondary Control

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