Small-Signal Stability Analysis and Lead-Lag Compensation Control for DC Networked-Microgrid Under Multiple Time Delays

Yao, Weitao; Wang, Yu; Xu, Yan; Dong, Chaoyu

doi:10.1109/tpwrs.2022.3169821

Cited by 21 publications

(4 citation statements)

References 29 publications

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“…Moreover, in this method, a time delay margin is enhanced, but the performance of the controller is degraded in case of multiple time delays. To mitigate the multiple time delays in an MG, a two layer distributed control architecture was developed [20]. Although this controller architecture mitigates the problem of multiple time delays, but due to the two layered structure, it might increase the implementation complexity.…”

Section: Introductionmentioning

confidence: 99%

Distributed Secondary Control for Islanded Microgrids Considering Communication Delays

Huang,

Fan,

et al. 2024

IEEE Access

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A distributed control of a Microgrid (MG) depends on the communication network for the exchange of information among the Distributed Generators (DGs). Most of the control schemes consider ideal communication among the DGs; however, in practical systems, delays are inherited in a system that can affect the dynamic performance and even destabilize an MG. Therefore, in this research work, a distributed Secondary Controller (SC) for an islanded MG is designed considering Communication Time Delays (CTDs). Sufficient delay-independent conditions for the robust stability of a buffer-free distributed averaging proportional integral control scheme are proposed. The CTDs are analyzed using the Lyapunov Krasovskii approach. A proposed method synchronizes the frequencies and voltages of the DGs to their respective references while confirming proportionate power sharing in the presence of CTDs. Moreover, different adaptive controllers are designed to update the fixed SC gain parameters to enhance the system's performance. Finally, the efficacy of the controller is demonstrated through simulation studies that validate its performance against load variation and plug-and-play functionality.

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Section: Introductionmentioning

confidence: 99%

Distributed Secondary Control for Islanded Microgrids Considering Communication Delays

Huang,

Fan,

et al. 2024

IEEE Access

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“…10.3389/fenrg.2023.1119461Yao et al, 2021. Microgrid cluster (MGC) is a new structure of distributed power supply in recent years, and relatively little research has been done on MGC at home and abroad, but as a further development trend of coordinated operation of multiple microgrids, its superiority in distributed power integration, flexible control mode, energy utilization efficiency, and support to the distribution microgrid has led to the research on MGC at home and abroadYao et al, 2023. More and more attention has been paid to the research of MGC both at home and abroad.…”

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confidence: 99%

Distributed learning, optimization, and control methods for future power grids

2024

Frontiers Research Topics

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Frontiers is more than just an open access publisher of scholarly articles: it is a pioneering approach to the world of academia, radically improving the way scholarly research is managed. The grand vision of Frontiers is a world where all people have an equal opportunity to seek, share and generate knowledge. Frontiers provides immediate and permanent online open access to all its publications, but this alone is not enough to realize our grand goals. Frontiers journal seriesThe Frontiers journal series is a multi-tier and interdisciplinary set of openaccess, online journals, promising a paradigm shift from the current review, selection and dissemination processes in academic publishing. All Frontiers journals are driven by researchers for researchers; therefore, they constitute a service to the scholarly community. At the same time, the Frontiers journal series operates on a revolutionary invention, the tiered publishing system, initially addressing specific communities of scholars, and gradually climbing up to broader public understanding, thus serving the interests of the lay society, too. Dedication to qualityEach Frontiers article is a landmark of the highest quality, thanks to genuinely collaborative interactions between authors and review editors, who include some of the world's best academicians. Research must be certified by peers before entering a stream of knowledge that may eventually reach the public -and shape society; therefore, Frontiers only applies the most rigorous and unbiased reviews. Frontiers revolutionizes research publishing by freely delivering the most outstanding research, evaluated with no bias from both the academic and social point of view. By applying the most advanced information technologies, Frontiers is catapulting scholarly publishing into a new generation. What are Frontiers Research Topics?Frontiers Research Topics are very popular trademarks of the Frontiers journals series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area.

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“…is a new structure of distributed power supply in recent years, and relatively little research has been done on MGC at home and abroad, but as a further development trend of coordinated operation of multiple microgrids, its superiority in distributed power integration, flexible control mode, energy utilization efficiency, and support to the distribution microgrid has led to the research on MGC at home and abroad Yao et al, 2023. More and more attention has been paid to the research of MGC both at home and abroad.…”

mentioning

confidence: 99%

Multi-agent-based control strategy for centerless energy management in microgrid clusters

2023

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Interconnecting microgrids with similar geographical environment and related characteristics electrically and communicatively, this constitutes a microgrid cluster, which is a higher-level distributed power structure and an effective way to improve the utilization rate of distributed energy and local absorption level. However, the stable operation of microgrid clusters is determined by the cluster structure and its control strategy, which is also the focus and difficulty of current research. To address this challenge, this paper proposes a ring-based multi-agent microgrid cluster energy management strategy, which realizes the centerless coordinated autonomous operation of microgrid clusters with high stability. In addition, based on the multi-agent control strategy, this paper designs a variety of control strategies that can be switched autonomously for different control objectives of the microgrid cluster to realize smooth grid connection and off-grid of the microgrid cluster. Finally, based on Matlab platform simulation, the experimental results show that the control structure and energy management strategy proposed in this paper can realize the centerless coordination and autonomy of the microgrid cluster on the basis of stable operation, minimize the energy interaction between the cluster and the distribution network, and greatly improve the utilization rate and local absorption level of distributed energy.

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Small-Signal Stability Analysis and Lead-Lag Compensation Control for DC Networked-Microgrid Under Multiple Time Delays

Cited by 21 publications

References 29 publications

Distributed Secondary Control for Islanded Microgrids Considering Communication Delays

Distributed Secondary Control for Islanded Microgrids Considering Communication Delays

Distributed learning, optimization, and control methods for future power grids

Multi-agent-based control strategy for centerless energy management in microgrid clusters

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