Results 261 to 270 of about 428,560 (344)

Lightning attachment to overhead power lines

2020
Lightning is the main cause of unscheduled interruptions in overhead power lines, affecting reliability of power supply and thus, consequently, resulting in economic losses. Lightning-caused insulation flashover in overhead power lines is associated with the fast-front overvoltages across line insulation, arising due to direct lightning strokes or ...
Pantelis N. Mikropoulos   +2 more
openaire   +2 more sources

Solar Deicing Nanocoatings Adaptive to Overhead Power Lines

Advanced Functional Materials, 2022
In frigid winter, the ice and snow built‐up on high‐voltage overhead power lines may seriously risk the reliability of electric power transmission and telecommunication systems.
Yang Li   +5 more
semanticscholar   +1 more source

Assessment of Extremely Low-Frequency Magnetic Field from Multiple High-Voltage Overhead Power Lines in Parallel Configuration

EPE, 2022
The study investigates the distribution of the extremely low-frequency magnetic field around multiple highvoltage overhead power lines in parallel configuration.
S. Vornicu   +3 more
semanticscholar   +1 more source

A Novel Optical Sensing Technology for Monitoring Voltage and Current of Overhead Power Lines

IEEE Sensors Journal, 2021
We propose herein a novel optical sensing technology using liquid crystal based transducers to measure simultaneously voltage and current from overhead power lines in real time.
L. Silvestri   +7 more
semanticscholar   +1 more source

Application of the Transfer Matrix Approach to Direct Lightning Studies of Overhead Power Lines With Underbuilt Shield Wires—Part I: Theory

IEEE Transactions on Power Delivery, 2021
This work is devoted to the analysis of voltages produced on overhead distribution lines hit by direct lightning. We will consider arbitrary terminations at both line ends and, also, arbitrary positioning of the pole being struck. We will deal with lines
E. Stracqualursi   +3 more
semanticscholar   +1 more source

Drones for Inspection of Overhead Power Lines with Recharge Function

Euromicro Symposium on Digital Systems Design, 2020
In recent years drones have proven their ability to solve complex tasks autonomously and effectively. Drones have not been present as a ubiquitous technology for solving these tasks yet. The reason is mainly due to their limited flying time.
G. V. Bögel   +4 more
semanticscholar   +1 more source

Relationship between distance to overhead power lines and calculated fields in two studies

Journal of Radiological Protection, 2020
There is some evidence that both distance from transmission lines and measured or calculated magnetic fields are associated with childhood leukemia.
A. Amoon   +3 more
semanticscholar   +1 more source

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