Results 241 to 250 of about 191,809 (298)
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15th IET International School on High Voltage Engineering and Testing 2008, 2008
An introduction to the vital components of overhead power lines and some of the fundamental design & testing concepts for engineers to embrace.
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An introduction to the vital components of overhead power lines and some of the fundamental design & testing concepts for engineers to embrace.
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Electrodynamics Simulation of Overhead Power Lines
IEEE Transactions on Power Delivery, 2012Electrical overhead power lines are important installations today. They are the main part of electric transmission and distribution systems that are vital to developed societies. A key factor for proper operation is correct clearance between conducting parts and earthed parts. These separations can be altered by the movement in the conductors caused by
Antonio F. Otero +3 more
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Overhead power line stringing with UAV
2017 12th International Conference on Live Maintenance (ICOLIM), 2017The goal of this abstract is to explain the methods and procedures developed by CME — Construcao e Manutencao Electromecânica, SA to execute overhead LLW Stringing — with an intelligent flight done by UAV's — Unmanned Aerial Vehicles leading to significant cost benefits and improved security, in contrast to conventional systems (helicopters, industrial
Malcolm Malveiro, Jose Cordeiro
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International Journal of Fatigue, 2019
A methodology is developed for the prediction of fretting fatigue phenomenon that results in crack initiation in strands of overhead power line conductors.
J. Redford +6 more
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A methodology is developed for the prediction of fretting fatigue phenomenon that results in crack initiation in strands of overhead power line conductors.
J. Redford +6 more
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Smart Tower of Overhead Power Lines
2019 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM), 2019A distinctive feature of a smart electrical network is the continuous monitoring of the state of overhead power lines (OHL). An important problem is the effective location of the damage to the OHL, as well as monitoring the external impact of the environment causing accidents.
Aleksandr Shilin +2 more
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Roman engineering [overhead power line history]
Proceedings of the IEEE, 2003A modern engineer visiting Rome, as the author did recently, cannot fail to be impressed by the work of the Roman engineers of 2000 years ago. However much manual labor was available in the capital of the empire, the planning and construction of the Colosseum and the Pantheon were magnificent engineering achievements.
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Influence of wind speed on the reliability of low-voltage overhead power lines
2019 Progress in Applied Electrical Engineering (PAEE), 2019The article presents the influence of atmospheric conditions, represented by wind speed, on the intensity of failure of overhead low-voltage power lines. The method for determining the intensity of damage to power devices in the function of wind speed is
K. Banasik +3 more
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The measurement of corrosion in overhead power lines
Anti-Corrosion Manual, 1988One of the factors giving rise to failure of steel reinforced aluminium power line conductors (ACSR) is corrosion due to the loss of zinc galvanising from the steel. As the zinc coating deteriorates, so galvanic corrosion of the aluminium sets in, resulting in weakening of the conductor, overheating and eventual failure. The corrosion occurs within the
P.H. Schwabe, D. Pike
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Electrothermal analysis of overhead power lines
2012 IEEE International Conference on Industrial Technology, 2012In this work a complete coupled electrothrmal analysis of overhead power lines is presented. The electromagnetic field problem is soved analytically for both the AAC and ACSR cases. The Joule losses thus computed are input to the thermal problem yielding the analytical expression of the thermal impedance.
A. Papagiannakis +4 more
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Upon the Contribution of Image Currents on the Magnetic Fields Generated by Overhead Power Lines
2019 International Conference on Electromechanical and Energy Systems (SIELMEN), 2019In the first part of the paper we have synthesized a theoretical breviary that finalizes with an analytical calculation method aiming to find out the depth at which theimage current (of its air correspondent) is established.
A. Sălceanu +3 more
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