Results 21 to 30 of about 584 (273)

Intelligent Island detection method of DC microgrid based on Adaboost algorithm

open access: yesEnergy Reports, 2023
Aiming at the problems of large detection blind areas and difficult threshold settings in traditional passive islanding detection methods, this paper proposes an intelligent passive islanding detection method based on the adaptive boosting (Adaboost ...
Na Zhi, Yawei An, Yan Zhao, Jilin Qiu
doaj   +1 more source

An innovative hybrid method for islanding detection using fuzzy classifier for different circumstances including NDZ

open access: yesJournal of Radiation Research and Applied Sciences, 2022
Distributed energy resources (DERs) are an alternative to conventional fossil fuel-based energy resources for a pollution-free operation. But the integration of these DERs to the main grid comes with certain challenges, out of which unintentional ...
Yasser A. Elshrief   +6 more
doaj   +1 more source

Research on a novel passive islanding detection method

open access: yesIndian Journal of Power and River Valley Development, 2021
In distributed generation systems, islanding detection is a necessary function of grid-connected inverters. In view of the performance disadvantages of traditional passive and active islanding detection methods, this paper proposes a novel passive islanding detection method. The proposed method first extracts characteristic parameters from the inverter
Dong Xie   +4 more
openaire   +2 more sources

A Survey of Islanding Detection Methods for Microgrids and Assessment of Non-Detection Zones in Comparison with Grid Codes

open access: yesEnergies, 2022
Detection of unintentional islanding is critical in microgrids in order to guarantee personal safety and avoid equipment damage. Most islanding detection techniques are based on monitoring and detecting abnormalities in magnitudes such as frequency ...
José Antonio Cebollero   +4 more
doaj   +1 more source

A Novel Passive Islanding Detection Method for Distributed Generation

open access: yesInternational Journal of Electrical and Electronics Research, 2023
Off-grid and On-grid are two technologies that allow renewable energy sources to run continuously. The system can be networked in the first scenario, and it can operate independently or as a microgrid in the second. The decentralised generator (DG) can run in island mode even if there isn't an external power supply accessible.
B Hariprasad, G Sreenivasan, P Sujatha
openaire   +1 more source

Passive islanding detection in microgrids using artificial neural networks

open access: yes, 2022
This study's major purpose is to demonstrate that voltage can be used to control the ages of distributed islanding findings. This study demonstrates the potential utility of a rule-based numerical model and an artificial neural network for voltage control distribution in medium-voltage transmission over many microgirds at a remote islanding location ...
Alyasiri, Ali Majeed Mohammed
openaire   +2 more sources

Avoiding the non-detection zone of passive loss-of-mains (islanding) relays for synchronous generation by using low bandwidth control loops and controlled reactive power mismatches [PDF]

open access: yes, 2014
Generation connected to electrical distribution systems requires reliable and timely detection of loss of-mains (islanding). Passive loss of mains detection relays typically use measurements of parameters such as frequency, phase, and the magnitudes of ...
Roscoe, Andrew   +2 more
core   +1 more source

A new passive islanding detection technique for a microgrid based on transient energy

open access: yesIET Generation, Transmission & Distribution, 2022
A new passive islanding detection technique based on transient energy that is measured and analysed at targeted distributed generation (DG) or the point of common coupling (PCC) is presented.
Saady Hasan, Sherif S. Saleh
doaj   +1 more source

Reinforcement learning based Islanding detection technique in distributed generation

open access: yesEnergy Reports, 2023
As the scientific, technical, and economic developments of the world continue to advance, there will be an increased requirement for Distribution Generation(DG) technology.
Aashish Jaiswal   +4 more
doaj   +1 more source

An Effective Index for Islanding Detection Based on Fast Discrete S-Transform

open access: yesAdvances 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
doaj   +1 more source

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