Results 21 to 30 of about 123,346 (203)

A review on mechanism and application of functional coatings for overhead transmission lines

open access: yesFrontiers in Materials, 2022
Overhead transmission line is the main method of power transmission. Conductors, insulators, and towers are the primary electrical equipment of overhead transmission lines. Due to overhead transmission lines work in the natural environment, problems such
Bo Tao   +4 more
doaj   +1 more source

Efficient Communication of Sensors Monitoring Overhead Transmission Lines [PDF]

open access: yes, 2012
published_or_final_versio
Cheung, LF   +3 more
core   +1 more source

Analysis of the Climatic Factors Influence on the Overhead Transmission Lines Reliability

open access: yesEnvironmental and Climate Technologies, 2020
In this study, the influence of climatic factors on overhead transmission lines reliability in Russia was discussed. A review of the possible impacts of climate change is provided.
Kondrateva Olga   +2 more
doaj   +1 more source

Modelling of non-conventional instrument transformers (NCIT) by FEM [PDF]

open access: yes, 2018
In this paper, we have shown that the proposed non-conventional instrument transformer using magnetic shape memory (MSM) alloys can be used for current measurement in high voltage overhead transmission lines.
Khan, S., Nikolić, B.
core   +1 more source

Analysis of the technical condition and service life of 35–110 kV overhead power transmission lines in the Oryol Region

open access: yesVestnik MGTU, 2022
The assessment of the technical and operational characteristics of overhead transmission lines of voltage classes 35–110 kV in the Oryol Region has been carried out in accordance with the methodology presented in the order of the Ministry of Energy of ...
Vinogradov A. V.   +2 more
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

Research Progress of Galloping of Overhead Iced Transmission Lines

open access: yes南方能源建设, 2023
[Introduction] The galloping of transmission lines will lead to trip, worn hardware, broken insulator string, damaged tower-arm and other accidents. In serious cases, collapsed tower accidents may occur.
Guangyun MIN, Xin ZHAO, Xiaohui LIU
doaj   +1 more source

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

REAL-TIME MONITORING SYSTEM FOR OVERHEAD POWER TRANSMISSION LINES

open access: yesМодели, системы, сети в экономике, технике, природе и обществе, 2022
Background. The issue of ensuring uninterrupted power supply to consumers, which directly depends on the reliable operation of overhead power transmission lines, is being considered.
V.A. Listyukhin, E.A. Pecherskaya
doaj   +1 more source

The analysis of continuous admissible currents and active power losses in overhead power lines taking into account climatic factors

open access: yesОмский научный вестник, 2023
Formulas for calculating continuous admissible currents and active power losses for overhead power transmission lines under conditions of natural and forced convection for insulated and non-insulated conductors are presented. The correct determination of
E. V. Petrova   +4 more
doaj   +1 more source

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