Results 1 to 10 of about 53,208 (164)

Research on the Calculation Method of Equivalent Parameters of the Core Wire for the High-Voltage GIL Metal Shell Grounded Through the Copper Bar

open access: yesFrontiers in Energy Research, 2022
The calculation method of the equivalent impedance and admittance parameters of the Gas Insulated Line (the Gas Insulated Line is abbreviated as GIL in this paper) grounded by the copper bar is studied and proposed.
Botong Li   +4 more
doaj   +3 more sources

Design of Internal Wire-Based Impedance Matching of Helical Antennas Using an Equivalent Thin-Wire Model [PDF]

open access: yesInternational Journal of Antennas and Propagation, 2017
We propose a novel design of internal impedance matching networks for axial-mode helical antennas. This network comprises a single wire attached to the helix.
Slobodan V. Savić   +2 more
doaj   +2 more sources

Design of EM Sensor for Non-Contact Detection of Defective Wire Harness in Conveyor System

open access: yesSensors, 2022
For a non-contact detection of defective wire harness in conveyor system, a new method using the electromagnetic (EM) sensor is proposed in this paper. A dual-feed and multi array microstrip patch antenna operating at 5.8 GHz is utilized to design the EM
Hailin Zeng   +3 more
doaj   +1 more source

Accounting for wire saggingоn span of 220 kV OHL whendetermining current, induced in ground wire by phase current magnetic fields

open access: yesВестник Самарского государственного технического университета. Серия: Технические науки, 2022
Overhead ground-wire cable (GW) is more prone to ice formation compared to 220 kV overhead lines. Ice-melting methods for GW using special power source have certain engineering constraints and required is connection of overhead line.
Evgenij A. Krotkov   +2 more
doaj   +1 more source

Mechanical Calculation of Flexible Wires of Spans with Different Tensioning Insulator Strings

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2020
In design activities, technical solutions are practiced, which provide for the use of different tension strings of insulators in a single span. The present paper considers the calculation of the sag and load factors for a span with two different ...
Yu. V. Bladyko
doaj   +1 more source

Equivalent circuit of a ferrite-wound inductor in a wide frequency range (0 Hz – 500 MHz)

open access: yesФизика волновых процессов и радиотехнические системы, 2022
Based on the measured impedance of the inductors wound on various ferrite cores and with a different number of turns, an equivalent high frequency (0 Hz – 500 MHz) circuit model was built.
Vladimir F. Dmitrikov   +1 more
doaj   +1 more source

Equivalent Static Wind Loads on Snow-accreted Overhead Wires

open access: yesStructural Engineering International, 2021
The effects of structural and aerodynamic non-linearity on dynamic wind loads on overhead wires have been investigated. According to the Japanese design standards for transmission structures, wind loads on overhead wires are determined using equivalent static wind loads that can be used to estimate the maximum responses under dynamic loads.
Hisato Matsumiya   +4 more
openaire   +3 more sources

Mechanical Calculation of Flexible Wires Loaded with Concentrated Loads

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2020
Calculating of wires sag and tension under various modes is the task of mechanical calculation. The article derived formulas for the curve of the wire sag under the action of one or several concentrated forces and with various tensioning insulators ...
Y. V. Bladyko
doaj   +1 more source

Antenna Current Calculation Based on Equivalent Transmission Line Model

open access: yesMicromachines, 2022
This paper provides a new way for spatial current/field profiles for frequency-selective surface analytical approximation. It confirms that the per unit length radiation resistance of an equivalent transmission line model for line antenna has little ...
Shusheng Wei, Wusong Wen
doaj   +1 more source

Research of the influence of highcarbon steel wire drawing speed on stresses and deformations on wire cross section

open access: yesЛитьë и металлургия, 2019
The parameters of wire production affecting the distribution of residual stresses and strains on the wire cross section are considered. It is determined that the modes of coarse drawing can affect the complex of mechanical properties of thin wire due to ...
Yu. L. Bobarikin, Yu. V. Martyanov
doaj   +1 more source

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