Results 41 to 50 of about 123,346 (203)

Nonlinear Dynamic Analysis of High-Voltage Overhead Transmission Lines

open access: yesShock and Vibration, 2018
According to a generalized Hamilton’s principle, three-dimensional (3D) nonlinear vibration equations for overhead transmission lines that consider geometric nonlinearity are established.
Meng Zhang, Guifeng Zhao, Jie Li
doaj   +1 more source

Determination of Electric and Magnetic Field Calculation Uncertainty in the Vicinity of Overhead Transmission Lines

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications, 2022
This paper presents a new approach for uncertainty determination of the electric field intensity and magnetic flux density calculation in the vicinity of overhead transmission lines.
Ajdin Alihodzic   +3 more
doaj   +1 more source

Real-Time Monitoring Method of Icing on Overhead Transmission Lines Based on Multi-Sensor Information Fusion

open access: yesIEEE Access
Icing on overhead transmission lines can be more accurately and effectively monitored in real time through a method that integrates information from multiple sensors for data fusion. SHT75 temperature and humidity sensor and ice thickness sensor are used
Zhidu Huang   +4 more
doaj   +1 more source

The Influence of Climatic Conditions on the Dynamic Ampacity of Overhead Power Lines

open access: yesActa Electrotechnica et Informatica, 2023
The constantly growing demand for electricity demands both on the installed power of energy sources and on the transmission capabilities of electrical networks.
Beňa Ľubomír   +2 more
doaj   +1 more source

A Calculation Method for Line Harmonic Current Based on Three-Terminal HVDC Transmission System

open access: yesZhongguo dianli, 2021
In view of the potential problem of harmonic current amplification of overhead transmission lines in three-terminal DC transmission system, a study is conducted on the harmonic current of bipolar overhead lines under different operating modes.
Jiaying CUI   +4 more
doaj   +1 more source

Research on dynamic capacity expansion system of overhead distribution lines based on wireless sensor

open access: yesDiance yu yibiao
In the context of the construction of novel power systems, the thermal stability limit capacity of overhead distribution lines, especially the transmission capacity of interconnected lines in N-1 mode, has become a bottleneck that restricts the flexible ...
ZHANG Shusen   +5 more
doaj   +1 more source

Study of the frequency response of the mutual coupling between overhead lines [PDF]

open access: yesVestnik MGTU, 2016
The paper investigates the frequency response of the mutual coupling between multi-wire overhead lines with length comparable to the wavelengths of the highest power frequency harmonics.
Selivanov V. N.   +3 more
doaj   +1 more source

Lighting performance study on existing 275KV overhead line in TNB system [PDF]

open access: yes, 2013
Lightning is the primary cause of tripping for most overhead power transmission lines. Few methods have heen discovered to estimate the lightning performance of a transmission line.
Thamodharan, Muralitharan
core  

High Voltage Insulator Surface Evaluation Using Image Processing

open access: yes, 2017
High voltage insulators are widely deployed in power systems to isolate the live- and dead-part of overhead lines as well as to support the power line conductors mechanically.
Bagheri, Mehdi   +2 more
core   +1 more source

Seasonal variation of transmission line outages in Peninsular Malaysia [PDF]

open access: yes, 2017
Researchers have observed the impact of climate changes on overhead line outages. It is known that overhead lines are very prone to lightning strikes due to their height and location which are normally in an open and exposed area.
Ab Kadir, Mohd Zainal Abidin   +2 more
core  

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