Results 31 to 40 of about 2,150 (299)
Grid Synchronization and Islanding Detection Methods for Single-Stage Photovoltaic Systems
Energies, 2020 Synchronization and islanding detection represent some of the main issues for grid-connected photovoltaic systems (PVSs). The synchronization technique allows to achieve PVS high power factor operation and it provides grid voltage monitoring.
Rosa Anna Mastromauro
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Islanding Detection for Distributed Generation
Journal of Electrical Engineering and Technology, 2007 The paper discussed various techniques for islanding detection and described in detail the working principles of ROCOF and vector shift relays. A simulator was used to investigate why the stability of both types of relays maybe affected by network and load switching, short-circuit faults and in the case of a ROCOF relay the loss of bulk generation or ...
X. Ding, P.A. Crossley, D.J. Morrow
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A Philippine Island Detective Story
Eos, 2023 Researchers snorkeled, drilled, profiled, mapped, and interviewed to unlock clues to how an island was born.
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Islanding Detection Scheme Using Potential Energy Function Based Criterion [PDF]
, 2022 Owning to the extensive enhancement of renewable energy resources in the distribution grids, the employment of such sources has also introduced various issues, such as the islanding problem.
Samet, Haidar +4 more
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An Effective Index for Islanding Detection Based on Fast Discrete S-Transform
Advances in Electrical and Electronic Engineering, 2019 Passive methods of islanding detection have the advantage of not perturbing the system, but they suffer from large Non-Detection Zone (NDZ) and unpredictable detection time. In this paper, a new passive scheme for islanding detection, based on estimating
Solgun Salimi +2 more
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DG System Using PFNN Controllers for Improving Islanding Detection and Power Control
Energies, 2019 In this study, an intelligent controlled distributed generator (DG) system is proposed for tracking control and islanding detection. First, a DC/AC inverter with DC power supply is adopted to emulate a DG system and control the active and reactive power ...
Kuang-Hsiung Tan, Chien-Wu Lan
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Islanding Detection for Inverter-Based Distributed Generation Using Unsupervised Anomaly Detection
IEEE Access, 2021 Islanding detection with the rising grid supporting inverter-based distributed generation is becoming more critical protection due to its high droop gains and overall decreased system inertia leading to rapid changes in the electrical parameters ...
Adeel Arif +3 more
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On detection and assessment of statistical significance of Genomic Islands [PDF]
BMC Genomics, 2008 Abstract Background Many of the available methods for detecting Genomic Islands (GIs) in prokaryotic genomes use markers such as transposons, proximal tRNAs, flanking repeats etc., or they use other supervised techniques requiring training datasets. Most of these methods are primarily based on the biases in GC content
Chaudhuri Probal +2 more
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EnergiesThis paper designs a multi-variable hybrid islanding-detection method (HIDM) using signal-processing techniques. The signals of current captured on a test system where the renewable energy (RE) penetration level is between 50% and 100% are processed by ...
Ming Li +4 more
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Energies, 2018 One class of islanding detection methods, known as impedance measurement-based methods and voltage change monitoring-based methods, are implemented through injecting irregular currents into the network, for which reason they are defined in this paper as ...
Menghua Liu +4 more
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