Results 31 to 40 of about 3,984,557 (310)

Development of Methods for an Overhead Cable Health Index Evaluation That Considers Economic Feasibility

open access: yesEnergies, 2023
To supply stable and high-quality power according to the advancement of industrial growth, electric power companies have performed maintenance of power facilities using various methods.
Hyeseon Lee   +4 more
doaj   +1 more source

An Advanced Unmanned Aerial Vehicle (UAV) Approach via Learning-Based Control for Overhead Power Line Monitoring: A Comprehensive Review

open access: yesIEEE Access, 2021
Detection and prevention of faults in overhead electric lines is critical for the reliability and availability of electricity supply. The disadvantages of conventional methods range from cumbersome installations to costly maintenance and from lack of ...
Husam A. Foudeh, P. Luk, J. Whidborne
semanticscholar   +1 more source

Accounting for wire saggingоn span of 220 kV OHL whendetermining current, induced in ground wire by phase current magnetic fields

open access: yesВестник Самарского государственного технического университета. Серия: Технические науки, 2022
Overhead ground-wire cable (GW) is more prone to ice formation compared to 220 kV overhead lines. Ice-melting methods for GW using special power source have certain engineering constraints and required is connection of overhead line.
Evgenij A. Krotkov   +2 more
doaj   +1 more source

Rigid–Flexible Coupled Dynamics Modeling and Trajectory Compensation for Overhead Line Mobile Robots

open access: yesAerospace
When a mobile robot on an overhead line carries out operations, the effects of the elastic deformation and vibration of the flexible overhead line on motion performance cannot be ignored.
Guanghong Tao   +4 more
doaj   +1 more source

Prevention of Wildfires Using an AI-Based Open Conductor Fault Detection Method on Overhead Line

open access: yesEnergies, 2023
Overhead lines that are exposed to the outdoors are susceptible to faults such as open conductors on weak points and disconnection caused by external factors such as typhoons. Arcs that occur during disconnection generate energy at a high heat of over 10,
Junsoo Che   +5 more
doaj   +1 more source

Research on deep learning-based affiliated obstacle identification of overhead transmission line

open access: yesDiance yu yibiao
The overhead line patrol robot plays an important role in improving the line maintenance efficiency and ensuring the safe and stable operation of power system.
CHI Xingjiang, PAN Jinhu, GENG Junwei
doaj   +1 more source

Lightning Surge Analysis for Overhead Lines Considering Corona Effect

open access: yesApplied Sciences, 2021
Corona discharge characteristics are measured in a corona cage. The difference is found between the q–u curves under double exponential and damped oscillation surges.
Xiaoqing Zhang, Kejie Huang
doaj   +1 more source

110 kV NETWORK TECHNICAL LOSSES ASSESSMENT. REAL DISTRIBUTION SYSTEM CASE STUDY [PDF]

open access: yesJournal of Sustainable Energy, 2015
The paper is focusing on evaluating the technical losses within a real distribution network. The study was conducted for a distribution system operator within the Romanian Power System. The analysed area is represented by a real part of the Romanian
BARBULESCU C., KILYENI ST., FATI O.
doaj  

Remote Monitoring of Joints Status on In-Service High-Voltage Overhead Lines

open access: yesEnergies, 2019
This work presents the feasibility study of an on-line monitoring technique aimed to discover unwanted variations of longitudinal impedance along the line (also named “impedance discontinuities”) and, possibly, incipient faults typically ...
Carlo Olivieri   +7 more
doaj   +1 more source

Compatibility of Methacrylate Based Resins Controls Interfacial Failure and Toughness in 3D‐Printed Multimaterial Composites

open access: yesAdvanced Engineering Materials, EarlyView.
This work shows that the mechanical performance of multimaterial digital light processing (DLP) printed thermoset composites is governed by resin compatibility and interfacial design rather than spatial patterning alone. Brittle and ductile resin combinations produced premature interfacial failure, while graded interfaces and mechanically compatible ...
Ahmed M. H. Ibrahim   +3 more
wiley   +1 more source

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