Results 31 to 40 of about 499,801 (344)

SYNTHESIS OF ACTIVE SCREENING SYSTEM OF MAGNETIC FIELD OF HIGH VOLTAGE POWER LINES OF DIFFERENT DESIGN TAKING INTO ACCOUNT SPATIAL AND TEMPORAL DISTRIBUTION OF MAGNETIC FIELD

Electrical engineering & Electromechanics, 2017
Purpose. Analyze the spatial and temporal distribution of the magnetic field of high voltage power lines with different design allowing and development of recommendations for the design of active screening systems by magnetic field of high voltage power ...
B.I. Kuznetsov, T.B. Nikitina, A.V. Voloshko, I.V. Bovdyj, E.V. Vinichenko, B.B. Kobilyanskiy   +5 more
doaj   +1 more source

Monitoring leakage currents of suspension insulators of high voltage overhead power lines [PDF]

E3S Web of Conferences, 2019
The relevance of studying partial discharge currents (PDC) arising on the surface of suspension insulators of high-voltage overhead power lines (HVPL) is substantiated. Increasing PDC leads to increasing active energy losses and unauthorized shutdowns of
Breido Iosif, Kaverin Vladimir, Abisheva Dinara, Kolychev Aleksandr   +3 more
doaj   +1 more source

Fully-Automated Power Line Extraction from Airborne Laser Scanning Point Clouds in Forest Areas

Remote Sensing, 2014
High-voltage power lines can be quite easily mapped using laser scanning data, because vegetation close to high-voltage lines is typically removed and also because the power lines are located higher off the ground in contrast to regional networks and ...
Lingli Zhu, Juha Hyyppä
doaj   +1 more source

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

, 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, Hrbáč, Roman, Mišák, Stanislav, Prílepok, Michal, Vantuch, Tomáš   +4 more
core   +1 more source

Reliability modeling of high-voltage power lines in a sharply continental climate [PDF]

E3S Web of Conferences, 2020
One of the important elements of the high-voltage transmission line is 110 kV, the damage of which leads to under-supply of electricity, i.e. reducing the reliability of the lines.
Khasanov Shamil Rashidovich, Gracheva Elena Ivanovna, Toshkhodzhaeva Muhayo Islomovna, Dadabaev Shakhboz Tolibjonovich, Mirkhalikova Dilafruz Saidulloevna   +4 more
doaj   +1 more source

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

Energies, 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

Estimates of avian collision with power lines and carcass disappearance across differing environments [PDF]

, 2017
Data on collisions of birds with high-voltage electric power lines are scarce and are often gathered without protocols for the correction of carcass disappearance.
ABS Energy Research, Agostini, Alonso, Angelov, Bevanger, Bevanger, Bevanger, Bispo, Collet, Corso, DeVault, Ferrer, Ferrer, Ford, Huso, Janss, Janss, Janss, Korner-Nievergelt, Kostecke, Lehman, Ponce, Prosser, Rubolini, Santolini, Selva, Toso, Tryjanowski   +27 more
core   +1 more source

A State-of-the-Art Review on the Potential of Waste Cooking Oil as a Sustainable Insulating Liquid for Green Transformers

Applied Sciences
Petroleum-based insulating liquids have traditionally been used in the electrical industry for cooling and insulation. However, their environmental drawbacks, such as non-biodegradability and ecological risks, have led to increasing regulatory ...
Samson Okikiola Oparanti, Esther Ogwa Obebe, Issouf Fofana, Reza Jafari   +3 more
doaj   +1 more source

Communication Characteristics of Faulted Overhead High Voltage Power Lines at Low Radio Frequencies

Energies, 2017
This paper derives a model of high-voltage overhead power line under fault conditions at low radio frequencies. The derived model is essential for design of communication systems to reliably transfer information over high voltage power lines. In addition,
Nermin Suljanović, Aljo Mujčić, Matej Zajc   +2 more
doaj   +1 more source

Oxidation Stability of SiO₂ and TiO₂ Nanofluids for High Voltage Insulation

Applied Sciences
Mineral oils are increasingly being replaced by plant-based insulating liquids, known as natural esters, because of their biodegradability and high fire safety characteristic. However, their wider use in high-voltage and unsealed transformer applications
Samson Okikiola Oparanti, Youssouf Brahami, Issouf Fofana, Reza Jafari   +3 more
doaj   +1 more source