Zobrazeno 1 - 10
of 2 392
pro vyhledávání: '"power transmission lines"'
Publikováno v:
IET Microwaves, Antennas & Propagation, Vol 18, Iss 10, Pp 779-790 (2024)
Abstract An analysis and design of a new slotted power divider/combiner (PDC) that utilises an oversized substrate‐integrated waveguide (OS‐SIW) is presented to enhance power handling capability (PHC). It is interesting to note that, the power ca
Externí odkaz:
https://doaj.org/article/90ca3c791fc24401996aefa5cf642886
Autor:
Zhiyuan Xie, Chao Dong, Ke Zhang, Jiacun Wang, Yangjie Xiao, Xiwang Guo, Zhenbing Zhao, Chaojun Shi, Wei Zhao
Publikováno v:
IET Generation, Transmission & Distribution, Vol 18, Iss 20, Pp 3264-3277 (2024)
Abstract Maintenance of power transmission lines is essential for the safe and reliable operation of the power grid. The use of deep learning‐based networks to improve the performance of power line defect detection faces significant challenges, suc
Externí odkaz:
https://doaj.org/article/edb7211fff1445fe9e8a7033188aa12b
Publikováno v:
IET Generation, Transmission & Distribution, Vol 18, Iss 19, Pp 3138-3149 (2024)
Abstract Bird‐related outages greatly threaten the safety of overhead transmission and distribution lines, while electrocution and collisions of birds with power lines, especially endangered species, are significant environmental concerns. Automati
Externí odkaz:
https://doaj.org/article/9ec9da323c4b4564b4ad4e18b2eee58d
Publikováno v:
IET Generation, Transmission & Distribution, Vol 18, Iss 9, Pp 1935-1946 (2024)
Abstract To better detect targets that may cause external damage to transmission lines, the authors present You Only Look Once‐Asymptotic Feature Pyramid Network (YOLO‐AFPN), a lightweight but efficient model. Firstly, the authors adopt a feature
Externí odkaz:
https://doaj.org/article/b090af57fd414d67ba2e80b4ac2cfc7f
Publikováno v:
IET Generation, Transmission & Distribution, Vol 18, Iss 3, Pp 542-567 (2024)
Abstract The distribution of transmission lines is complex, influenced by terrain and topography, making their maintenance and management challenging. With the advancement of global mechanization, various types of construction machinery and large‐s
Externí odkaz:
https://doaj.org/article/e8b9bc0acfe44be9b91c858141c3ef27
Publikováno v:
IEEE Access, Vol 12, Pp 50613-50622 (2024)
Solving the scattering field of power transmission lines and analyzing its scattering characteristics are essential for suppressing the reradiation interference from power transmission lines on neighboring radio stations. However, traditional methods
Externí odkaz:
https://doaj.org/article/8cbd0b2b5bb54ba185220c896fff542d
Autor:
Pingting Duan, Xiao Liang
Publikováno v:
Sensors, Vol 24, Iss 19, p 6468 (2024)
This research aims to overcome three major challenges in foreign object detection on power transmission lines: data scarcity, background noise, and high computational costs. In the improved YOLOv8 algorithm, the newly introduced lightweight GSCDown (
Externí odkaz:
https://doaj.org/article/b6e3df68e3184d88bbc914f136c5e387
Publikováno v:
PeerJ Computer Science, Vol 10, p e2045 (2024)
Due to their specially designed structures, the partial discharge detection of hybrid high-voltage power transmission lines (HHVPTL) composed of overhead lines and power cables has made it difficult to monitor the conditions of power transmission lin
Externí odkaz:
https://doaj.org/article/890647b5e9c64b60b40a522231c9a45d
Publikováno v:
IET Generation, Transmission & Distribution, Vol 17, Iss 22, Pp 5003-5015 (2023)
Abstract The reach of primary protection zones of transmission lines distance relays is affected when large power flows circulate through the transmission line prior to a short circuit occurrence. This can cause improper operation of the protection s
Externí odkaz:
https://doaj.org/article/835cd0e9bb19475eb65af27e96006b46
Bird's nest defect detection of transmission lines based on domain knowledge and occlusion reasoning
Publikováno v:
IET Generation, Transmission & Distribution, Vol 17, Iss 22, Pp 4946-4957 (2023)
Abstract Bird's nest defect is an important cause of transmission line faults. To achieve accurate detection of bird nest defects in complex scenarios, a bird nest defect detection model for transmission lines was proposed that combines domain knowle
Externí odkaz:
https://doaj.org/article/9c22a49e547e4ac49f7eb6bd1f5602a3