Zobrazeno 1 - 10
of 1 009
pro vyhledávání: '"protection coordination"'
Publikováno v:
Alexandria Engineering Journal, Vol 90, Iss , Pp 76-88 (2024)
This paper proposes a fast protection scheme of a hybrid AC/DC distribution network based on features extraction of the decomposed signals. The signal decomposition is achieved using discrete wavelets transform (DWT). The proposed scheme offers three
Externí odkaz:
https://doaj.org/article/7364e6e3137543e08fcddcb1ceb50bb1
Publikováno v:
Results in Engineering, Vol 22, Iss , Pp 102196- (2024)
This manuscript proposes an optimal coordination approach for directional overcurrent relays (DOCRs) within electric vehicle charging stations (EVCS), considering energy management and Vehicle-to-Grid (V2G) integration. The study focuses on maximizin
Externí odkaz:
https://doaj.org/article/e33b81c01a8a4df9a7a47fe3c23234af
Publikováno v:
IEEE Access, Vol 12, Pp 164520-164531 (2024)
Variation in short-circuit levels (SCLs) caused by the occasional operation of on-load tap-changers (OLTCs) presents a significant challenge in maintaining protection coordination in distribution networks (DNs), especially where the integration of di
Externí odkaz:
https://doaj.org/article/e72d5a02863e4471a8f23b83b2144428
Publikováno v:
IEEE Access, Vol 12, Pp 143658-143674 (2024)
This paper introduces a deterministic method to address coordination challenges between distance relays (DS) and directional overcurrent relays (DOR) by employing quadratic programming with quadratic constraints (QCQP). The conventional nonlinear coo
Externí odkaz:
https://doaj.org/article/b17fe969b2e94c37824638e1aae9b36e
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
Autor:
Daniel Guillén-López, Xavier Serrano-Guerrero, Antonio Barragán-Escandón, Jean-Michel Clairand
Publikováno v:
Energies, Vol 17, Iss 22, p 5783 (2024)
As power generation systems with increasingly higher capacities are interconnected with distribution networks, a pressing need arises for a thorough analysis of their integration and the subsequent impacts on medium-voltage lines. This study conducts
Externí odkaz:
https://doaj.org/article/61a0f4547e894b709967be4b3f29d983
Autor:
Bakht Muhammad Khan, Abdul Wadood, Shahbaz Khan, Husan Ali, Tahir Khurshaid, Asim Iqbal, Ki Chai Kim
Publikováno v:
Energies, Vol 17, Iss 22, p 5542 (2024)
In electrical power systems, ensuring a reliable, precise, and efficient relay strategy is crucial for safe and trustworthy operation, especially in multi-loop distribution systems. Overcurrent relays (OCRs) have emerged as effective solutions for th
Externí odkaz:
https://doaj.org/article/71676c1b81914a568f54231af6a2db64
Publikováno v:
AIMS Energy, Vol 11, Iss 6, Pp 1278-1305 (2023)
More and more distributed energy resources (DERs) are being added to the medium-voltage (MV) or low-voltage (LV) radial distribution networks (RDNs). These distributed power sources will cause the redistribution of power flow and fault current, bring
Externí odkaz:
https://doaj.org/article/b646447642b04ee8b9f202616c5c6154
Publikováno v:
هوش محاسباتی در مهندسی برق, Vol 14, Iss 2, Pp 143-154 (2023)
In addition to the many advantages of Distributed Generation (DG) for the distribution networks, they change the direction and increase the level of fault current. These changes may cause the loss of protection coordination of reclosers and fuses in
Externí odkaz:
https://doaj.org/article/6431624b781b4dfda4903a0e1fd9efb8
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 156, Iss , Pp 109750- (2024)
Protection coordination is typically approached considering the main network configuration. Nevertheless, contingencies such as generator or line failures may disrupt power grids. Low fault currents in inverter-based isolated microgrids adversely imp
Externí odkaz:
https://doaj.org/article/bbbf1b64009942a2922c5a4ab633f16a