Zobrazeno 1 - 10
of 898
pro vyhledávání: '"Adaptive protection"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract Microgrids (MGs) can enhance the consumers’ reliability. Nevertheless, besides significant outcomes, some challenges arise. Regarding the intermittent nature of Renewable Energy Resources (RESs), MGs are not operated radially. Accordingly,
Externí odkaz:
https://doaj.org/article/9f4f8b9cbf3a4e9a8b956a4668622ffb
Publikováno v:
IEEE Access, Vol 12, Pp 170250-170272 (2024)
This review paper provides a systematic examination of differential protection schemes in microgrids, particularly focusing on configurations with electronically coupled Distributed Energy Resources (DERs). It consolidates research findings to deline
Externí odkaz:
https://doaj.org/article/761bfdaa77124f64b32273867298ff09
Publikováno v:
IEEE Open Journal of the Industrial Electronics Society, Vol 5, Pp 481-500 (2024)
Substantial differences in fault levels between grid-tied and islanded modes is one of the primary challenges of microgrid protection. During grid-tied mode, the bulk grid provides significant short-circuit, while during islanded operation the short-
Externí odkaz:
https://doaj.org/article/9ccc5a0c461240fcaf3c73d6c867f0fd
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 2, Pp 448-467 (2024)
Design and selection of advanced protection schemes have become essential for reliable and secure operation of networked microgrids. Various protection schemes that allow correct operation of microgrids have been proposed for individual systems in di
Externí odkaz:
https://doaj.org/article/28b029cb09dc49d8b3926299899b0673
Autor:
Uma Uzubi Uma, Daniel Nmadu, Nnaemeka Ugwuanyi, Ogah Ekechi Ogah, Ngozi Eli-Chukwu, Marcellinus Eheduru, Arthur Ekwue
Publikováno v:
Protection and Control of Modern Power Systems, Vol 8, Iss 1, Pp 1-19 (2023)
Abstract The operational performance of conventional overcurrent protection relay coordination connected to a distribution network is adversely affected by the penetration of distributed generators (DG) at different buses in the network. To address t
Externí odkaz:
https://doaj.org/article/81dda6b05e70484fbddda5313574d659
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 11, Pp 4108-4127 (2023)
Abstract This paper addresses the challenge of protecting electrical networks in the presence of distribution generators (DGs). The use of DGs affects fault currents, leading to miscoordination between protection relays and causing constraints on net
Externí odkaz:
https://doaj.org/article/dd98f2f3f9454a52953704405d381c4b
Publikováno v:
Elektronika ir Elektrotechnika, Vol 29, Iss 5, Pp 44-50 (2023)
Protection relays that incorporate advanced microprocessors are vital to electrical grids, providing fast and reliable responses to faulty conditions using efficient communication protocols. Instant detection and response to various faults are essent
Externí odkaz:
https://doaj.org/article/82aed213dda84056adeb23c58190685d
Publikováno v:
Energies, Vol 17, Iss 17, p 4338 (2024)
The electrical protection of active distribution networks is crucial for ensuring reliable, safe, and flexible operations. However, protecting these networks presents several challenges due to the emergence of bi-directional power flows, network reco
Externí odkaz:
https://doaj.org/article/180eb31ef096440b9724c04dec46a522
Autor:
Wang Ying, Zhang Xiaoyu
Publikováno v:
Applied Mathematics and Nonlinear Sciences, Vol 9, Iss 1 (2024)
With the continuous development of society, the requirements of enterprises and the public for the reliability of the power system are also improving, and the fault identification and protection action of the distribution network is conducive to the
Externí odkaz:
https://doaj.org/article/0565c8d56d114706976954f4f83a0865
Publikováno v:
IEEE Access, Vol 11, Pp 138623-138637 (2023)
Increasing the penetration of renewable energy sources as distributed generation in modern power grids presents several challenges, including voltage level issues and protection system failures resulting from bidirectional power flow and changing net
Externí odkaz:
https://doaj.org/article/669fec25daf54b599c4250cf371d6ded