Zobrazeno 1 - 10
of 943
pro vyhledávání: '"high-impedance fault"'
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 164, Iss , Pp 110403- (2025)
To identify and locate faults of small-current grounded distribution networks under high-impedance fault with weak characteristics, a fault comprehensive identification method for distribution networks based on voltage-ampere curves and deep ensemble
Externí odkaz:
https://doaj.org/article/29c8c41ef0e943a0ab9d7a597dad0d8b
Autor:
Vinayagam, Arangarajan a, b, ⁎, Suganthi, S.T. c, Venkatramanan, C.B. d, Alateeq, Ayoob e, Alassaf, Abdullah e, Ab Aziz, Nur Fadilah a, Mansor, Mohd Helmi a, Mekhilef, Saad f
Publikováno v:
In Ain Shams Engineering Journal January 2025 16(1)
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 161, Iss , Pp 110187- (2024)
Hybrid HVDC transmission technology advancement has led to significant progress. A reliable and effective DC line protection scheme is crucial for DC transmission systems. The traditional protection schemes suffer from insufficient sensitivity and re
Externí odkaz:
https://doaj.org/article/f51388f8173341d8be3ee0aee9a2d93d
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 159, Iss , Pp 110036- (2024)
The neutral effectively grounded system (NEGS), increasingly adopted in medium-voltage urban AC distribution networks, exhibits heightened susceptibility to fault-induced overcurrent. Despite the deployment of traditional three-zone and zero-sequence
Externí odkaz:
https://doaj.org/article/aa3c075b62e84eefa36c5418be67549a
Autor:
Vyshnavi Gogula, Belwin Edward
Publikováno v:
Frontiers in Energy Research, Vol 12 (2024)
This paper presents a novel approach for detecting high-impedance faults (HIF) in distribution systems that uses the Hilbert transform. Our approach is based on determining the instantaneous frequency of signals and detecting deviations from a refere
Externí odkaz:
https://doaj.org/article/91f9d01bbafa48bda82fa2afb9822330
Autor:
Cui, Haonan, Yang, Qing ⁎
Publikováno v:
In Electric Power Systems Research February 2025 239
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 158, Iss , Pp 109965- (2024)
The growing penetration of converter interfaced generation creates unprecedented challenges to protection strategies at all voltage levels. This paper proposes a novel Negative Sequence Current Injection (NSCI)-based active protection scheme for isla
Externí odkaz:
https://doaj.org/article/339f66fbd19f44d5a398243189f31d09
Publikováno v:
IEEE Access, Vol 12, Pp 186535-186546 (2024)
Distribution utilities responsible for supplying electricity face challenges in maintaining continuity of power supply and serving end consumers. Locating faults in the distribution network is a major challenge since faults can cause long-duration di
Externí odkaz:
https://doaj.org/article/02216a6e128746dda7ec64b62f226244
Autor:
Nauman Ali Larik, Wei Lue, Fayez F. M. El-Sousy, Abdul Khalique Junejo, Muhammad Faizan Tahir
Publikováno v:
IEEE Access, Vol 12, Pp 124604-124618 (2024)
AC microgrids are a contemporary adaptation of traditional power distribution networks, propelled by the rapid integration of renewable energy resources. Yet, their dynamic operational nature poses distinct protection & control challenges. This paper
Externí odkaz:
https://doaj.org/article/422c0a5d9f024ef59bef2ed45a421415
Publikováno v:
IEEE Access, Vol 12, Pp 11024-11034 (2024)
Detection of high impedance faults (HIF) is one of the biggest challenges in power distribution networks. HIF usually occurs when conductors in the distribution network are broken and accidently come into contact the ground or a tree branch. The curr
Externí odkaz:
https://doaj.org/article/0dae716e1bf240189f00d2f59767bd3d