An adaptive frequency regulation strategy with high renewable energy participating level for isolated microgrid

Zhang, Jing; Hu, Sijia; Zhang, Zhiwen; Li, Yong; Lin, Jinjie; Wu, Jinbo; Gong, Yusheng; He, Li

doi:10.1016/j.renene.2023.05.071

Cited by 7 publications

(1 citation statement)

References 35 publications

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“…Reference [36] proposed an adaptive droop-based model predictive controller for frequency stability improvements in a wind turbine-based power system. The experiment and simulation outcome reveal that the wind turbine effectively uses the stated control strategy for controlling the frequency regulation with improved system inertia performance.…”

Section: Contributions This Paper [8] [24] [25]mentioning

confidence: 99%

Virtual Inertia Control for Power Electronics-Integrated Power Systems: Challenges and Prospects

Shobug,

Chowdhury,

Hossain

et al. 2024

Energies

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In modern power systems, conventional energy production units are being replaced by clean and environmentally friendly renewable energy resources (RESs). Integrating RESs into power systems presents numerous challenges, notably the need for enhanced grid stability and reliability. RES-dominated power systems fail to meet sufficient demand due to insufficient inertia responses. To address this issue, various virtual inertia emulation techniques are proposed to bolster power system stability amidst the increased integration of renewable energy sources into the grid. This review article explores state-of-the-art virtual inertia support strategies tailored to accommodate the increased penetration of RESs. Beginning with an overview of this study, it explores the existing virtual inertia techniques and investigates the various methodologies, including control algorithms, parameters, configurations, key contributions, sources, controllers, and simulation platforms. The promising virtual inertia control strategies are categorised based on the techniques used in their control algorithms and their applications. Furthermore, this review explains evolving research trends and identifies promising avenues for future investigations. Emphasis is placed on addressing key challenges such as dynamic response characteristics, scalability, and interoperability with conventional grid assets. The initial database search reveals 1529 publications. Finally, 106 articles were selected for this study, adding 6 articles manually for the review analysis. By synthesising current knowledge and outlining prospective research directions, this review aims to facilitate the current state of research paths concerning virtual inertia control techniques, along with the categorisation and analysis of these approaches, and showcases a comprehensive understanding of the research domain, which is essential for the sustainable integration of renewable energy into modern power systems via power electronic interface.

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Section: Contributions This Paper [8] [24] [25]mentioning

confidence: 99%

Virtual Inertia Control for Power Electronics-Integrated Power Systems: Challenges and Prospects

Shobug,

Chowdhury,

Hossain

et al. 2024

Energies

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An Enhanced Power Sharing Scheme With Voltage Unbalance and Distortion Compensation in an Islanded AC Microgrid Using CSF‐MPC

Kumar Uppuluri,

Chilipi,

Mulla

2024

Circuit Theory & Apps

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This paper presents an enhanced power sharing scheme (EPSS) for parallelly connected distributed generators (DGs) in an islanded microgrid (MG) using a constant switching frequency‐model predictive control (CSF‐MPC). Unlike conventional droop control, wherein only accurate real power sharing among DGs is possible, the EPSS enables accurate sharing of reactive and harmonic powers even under mismatched line impedances. Additionally, the voltage unbalance and distortion at the point of common coupling (PCC) are mitigated. The EPSS is implemented using a reference voltage that consists of (1) the fundamental droop control; (2) the virtual impedance control; (3) the unbalance compensation control; and (4) the harmonic compensation control. The performance of the EPSS is tested on a MG consisting of two DGs of both similar and dissimilar capacities under a step changes in loads. The EPSS is implemented using CSF‐MPC, which offers superior performance compared with conventional proportional plus integral and proportional resonant controllers. The simulation and hardware‐in‐loop results confirm the effectiveness of the EPSS in addressing power sharing issues and mitigating both distortion and unbalance of PCC voltage.

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An improved equilibrium optimization-based fuzzy tilted double integral derivative with filter (F-TIDF-2) controller for frequency regulation of an off-grid microgrid

Mishra,

Nayak,

Prusty

et al. 2023

Electr Eng

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An adaptive frequency regulation strategy with high renewable energy participating level for isolated microgrid

Cited by 7 publications

References 35 publications

Virtual Inertia Control for Power Electronics-Integrated Power Systems: Challenges and Prospects

Virtual Inertia Control for Power Electronics-Integrated Power Systems: Challenges and Prospects

An Enhanced Power Sharing Scheme With Voltage Unbalance and Distortion Compensation in an Islanded AC Microgrid Using CSF‐MPC

An improved equilibrium optimization-based fuzzy tilted double integral derivative with filter (F-TIDF-2) controller for frequency regulation of an off-grid microgrid

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