Provision of Synthetic Inertia Support for Converter-Dominated Weak Grids

Saeedian, Meysam; Pournazarian, Bahram; Taheri, Shamsodin; Pouresmaeil, Edris

doi:10.1109/jsyst.2021.3060866

Cited by 13 publications

(5 citation statements)

References 33 publications

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“…Overall, the system possesses a lower amount of RoCoF. To achieve the challenge of a 100% renewable energy-based power system via an power electronic interface, a distinguished solution is presented [71]. Overall, this VI control approach showed a roughly 23% improvement in frequency regulation, which is evident via experiments.…”

Section: Traditional Strategiesmentioning

confidence: 91%

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: Traditional Strategiesmentioning

confidence: 91%

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

Shobug,

Chowdhury,

Hossain

et al. 2024

Energies

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“…The DGs are expected to support ancillary services for boosting grid reliability as emphasised in the recently published grid codes [66,67]. Even though the grid codes may vary according to each country and operator, there is a general agreement on the role that GCPVSs must play when connected to the grid.…”

Section: Review Of Advanced Functionalities In Islanding Detection St...mentioning

confidence: 99%

Review on islanding detection methods for grid‐connected photovoltaic systems, existing limitations and future insights

Bakhshi‐Jafarabadi

Sadeh

Serrano‐Fontova

et al. 2022

IET Renewable Power Gen

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The connection of renewable energy sources (RESs) to the distribution network has been rising at a steady pace over the past decades. The great penetration of RESs such as grid-connected photovoltaic system brings new technical challenges to the distribution networks such as unintentional islanding. Conceptually, this situation occurs when a portion of the network that has been isolated from the main grid remains energised by the embedded RESs. This unexpected scenario should be thereby identified effectively to avoid frequency and voltage deviations and their hazardous effects. The aim of this paper is to provide a comprehensive review on the recently developed islanding detection methods for grid-following/grid-connected photovoltaic system, analyse their existing limitations, and suggest possible future research implementations. In this context, an in-depth comparison is provided considering the main features used in islanding detection methods such as non-detection zone, detection time, implementation cost and complexity, and power quality degradation. Finally, the main technical requirements established by the current grid codes are recalled identifying potential multi-functional approaches to expand the current islanding detection capabilities.

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“…A typical postcontingency evaluation method is the event-triggered online estimation of the inertia [15]. References [16,17] use the system inertia as a frequency support evaluation metric to reflect the dynamic process after system power perturbation.…”

Section: Introductionmentioning

confidence: 99%

Evaluating the Fast Frequency Support Ability of the Generation Units in Modern Power Systems

Liu,

Mo,

Lai

et al. 2024

Sustainability

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Modern power systems include synchronous generators (SGs) and inverter-based resources (IBRs) that provide fast frequency support (FFS) to the system. To evaluate the FFS ability of both SGs and IBRs under a unified framework, this paper proposes a method that evaluates the FFS ability of each generation unit via its dynamic trajectories of the active power output and the frequency following a contingency. The proposed method quantified FFS ability via two indexes, namely, the equivalent inertia constant and the equivalent droop, of each generation unit. The Tikhonov regularization algorithm is employed to estimate the FFS ability indexes. The New England 10-machine system serves to validate the feasibility and accuracy of the proposed method and illustrate the different FFS ability of the grid−forming and grid−following IBRs.

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Provision of Synthetic Inertia Support for Converter-Dominated Weak Grids

Cited by 13 publications

References 33 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

Review on islanding detection methods for grid‐connected photovoltaic systems, existing limitations and future insights

Evaluating the Fast Frequency Support Ability of the Generation Units in Modern Power Systems

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