Results 21 to 30 of about 266,856 (351)

Distributed design of network codes for wireless multiple unicasts [PDF]

open access: yes, 2008
Previous results on network coding for low-power wireless transmissions of multiple unicasts rely on opportunistic coding or centralized optimization to reduce the power consumption.
Effros, Michelle   +2 more
core   +2 more sources

Use of rod compactors for high voltage overhead power lines magnetic field mitigation [PDF]

open access: yes, 2017
In the last decades, strengthening the high voltage transmission system through the installation of new overhead power lines has become critical, especially in highly developed areas.
Bignucolo, Fabio   +3 more
core   +2 more sources

The application of the technology of sensor networks for the intellectualization of the overhead power transmission lines [PDF]

open access: yesE3S Web of Conferences, 2020
The length of overhead power transmission lines in the Russian Federation is over 2.8 million kilometers. Power grids are rapidly becoming obsolete. The level of deterioration of the equipment achieves 70% [1].
Ivanov Dmitry   +5 more
doaj   +1 more source

Towards the text compression based feature extraction in high impedance fault detection [PDF]

open access: yes, 2019
High impedance faults of medium voltage overhead lines with covered conductors can be identified by the presence of partial discharges. Despite it is a subject of research for more than 60 years, online partial discharges detection is always a challenge,
Fulneček, Jan   +4 more
core   +1 more source

IMPROVING THE RELIABILITY OF OVERHEAD POWER TRANSMISSION LINES THROUGH THE INTRODUCTION OF INFORMATION AND MEASUREMENT SYSTEMS FOR MONITORING THEIR PARAMETERS

open access: yesИзмерение, мониторинг, управление, контроль, 2022
Background. Based on the analysis of statistical data, it is shown that the Penza region belongs to the "dangerous wind zone", in which accidents on overhead lines in the autumn-winter period become not uncommon phenomena for electric grid ...
V.A. Listyukhin   +4 more
doaj   +1 more source

Photovoltaic Maximum Penetration Limits on Medium Voltage Overhead and Underground Cable Distribution Feeders: A Comparative Study

open access: yesEnergies, 2021
This paper investigates the maximum photovoltaic (PV) penetration limits on both overhead lines and underground cables medium voltage radial distribution system. The maximum PV penetration limit is estimated considering both bus voltage limit (1.05 p.u.)
Sultan Sh. Alanzi, Rashad M. Kamel
doaj   +1 more source

The Mode of Constructing Safe Trajectories of Motion of the Unmanned Aerial Vehicle while Monitoring Power Lines Considering the Influence of their Electromagnetic Fields [PDF]

open access: yesProblems of the Regional Energetics, 2019
The aim of this paper is to increase the flight safety of an unmanned aerial vehicle that monitors power lines under the negative influence of electromagnetic fields on the on-board equipment.
Shabanova A.R.   +2 more
doaj   +1 more source

Evaluation of the Idle time of Single-Chain and Double-Chain Overhead Power Lines of 6–10 kV by Methods of Queuing Theory [PDF]

open access: yesProblems of the Regional Energetics, 2022
The aim of this work is to substantiate the idle time evaluation of the overhead power line (OPL) according to the reliability indicators of its main elements using the probability value of the overhead power line availability factor. Statistical studies
Basmanov V.G., Kholmanskikh V.M.
doaj   +1 more source

New Concept of PLC Modems: Multi-Carrier System for Frequency Selective Slow-Fading Channels Based on Layered SCCC Turbocodes [PDF]

open access: yes, 2015
The article introduces a novel concept of a PLC modem as a complement to the existing G3 and PRIME standards for communications using medium- or high-voltage overhead or cable lines.
Hrad, J., Kekrt, D., Zavrtalek, J.
core   +2 more sources

Inclinometric method for determining the mechanical state of an overhead power transmission line [PDF]

open access: yesE3S Web of Conferences, 2019
Mechanical deformations when a wire is stretched causes its rotation around its axis, which allows obtaining additional information about the wire behavior in an overhead transmission line and considering it no longer as a group of sections from one span
Sadykov M.F.   +5 more
doaj   +1 more source

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