Results 41 to 50 of about 266,856 (351)

Feasibility study on the use of oil-well tubing in construction of intermediate support for 6-10 kV high voltage overhead power lines in the development of oilfields [PDF]

open access: yesE3S Web of Conferences, 2019
This article is devoted to assessing the technical effectiveness and economic feasibility of oilwell tubing in construction of intermediate supports for overhead power lines (6–10 kV) in the development of oil, gas and condensate field in the conditions ...
Korkishko A.N.   +2 more
doaj   +1 more source

COMPOSITE SUPPORTS OF OVERHEAD POWER LINES

open access: yesΛΌГOΣ МИСТЕЦТВО НАУКОВОЇ ДУМКИ, 2020
The article considers the feasibility of using composite supports during the replacement of overhead power lines, analyzes the relevance of these technologies. The advantages of composite overhead power line towers for construction, modernization and restoration work over traditional wooden and metal towers are substantiated.
openaire   +1 more source

On the Expediency of Laying Cable Power Lines with a Voltage of 6–35 kV Outside Settlements Instead of Overhead Power Lines

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2022
. It is noted that at present, 10 and 35 kV overhead power transmission lines are being laid outside the settlements of the Republic of Belarus on reinforced concrete vibrated (10 kV) and centrifuged (35 kV) poles that are characterized by low ...
M. A. Korotkevich, S. I. Podgaisky
doaj   +1 more source

Influence of failures of overhead lines on reliability of autonomous power supply system

open access: yesE3S Web of Conferences, 2018
We research influence of failures of overhead lines on reliability of autonomous power supply system with distributed generation in the given article.
Karamov Dmitriy, Perzhabinsky Sergey
doaj   +1 more source

What are the important landscape components for habitat selection of the ortolan bunting Emberiza hortulana in northern limit of range? [PDF]

open access: yes, 2015
Ortolan buntings Emberiza hotulana have undergone one of the most severe population declines of any European farmland bird over the last thirty years. The aim of this study was to find out which habitat features, including crop characteristics,
Elts, Jaanus   +2 more
core   +2 more sources

Power‐DETR: end‐to‐end power line defect components detection based on contrastive denoising and hybrid label assignment

open access: yesIET Generation, Transmission & Distribution
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, such as small ...
Zhiyuan Xie   +8 more
doaj   +1 more source

Mechanical Calculation of Power Lines and Strands in Overhead Transmission Lines

open access: yesMATEC Web of Conferences, 2016
This paper discusses the issue of shape and stress of overhead transmission lines. It fully considers that the conductor is subjected to axial force, shear, bending moment simultaneousiy. And the flat wire is basically in the elastic range.
Li Yongping, Liu Yu, Zhang Jibin
doaj   +1 more source

Criticality analysis for improving maintenance, felling and pruning cycles in power lines [PDF]

open access: yes, 2018
16th IFAC Symposium on Information Control Problems in Manufacturing INCOM 2018 Bergamo, Italy, 11–13 June 2018. Edited by Marco Macchi, László Monostori, Roberto PintoThis paper deals with the process of criticality analysis in overhead power lines ...
Crespo Márquez, Adolfo   +6 more
core  

Tuning the Dielectric Properties of Individual Clay Nanosheets by Interlayer Composition: Toward Nano‐Electret Materials

open access: yesAdvanced Functional Materials, EarlyView.
The dielectric properties of clays are studied on the level of individual monolayers and functional double stacks. The material breakdown characteristics and charge storage performance are analyzed. For illustration, a defined charge pattern representing a cuneiform character is produced, written into a microscopic clay tile, referencing the origins of
Sebastian Gödrich   +6 more
wiley   +1 more source

IMPACT OF GROUND WIRES ON THE SERIES IMPEDANCE, VOLTAGE AND CURRENT CONDITIONS OF OVERHEAD POWER LINES

open access: yesActa Electrotechnica et Informatica, 2019
Ground wires are bare conductors which serve to protect the power line from the lightning strike. This article deals with the calculation of the series impedance of the 110 kV overhead power line with one ground wire.
Anastázia MARGITOVÁ   +2 more
doaj   +1 more source

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