Zobrazeno 1 - 10
of 464
pro vyhledávání: '"Overhead power lines"'
Publikováno v:
Омский научный вестник, Vol 4 (192), Pp 83-90 (2024)
The article analyzes the limiting modes of overhead power transmission lines in terms of heating and voltage losses. The equations linking the wire temperature, voltage loss, load power, cooling conditions and line parameters are obtained. Dependin
Externí odkaz:
https://doaj.org/article/ff0bd5496062430ca6f8dca5ddd6eca2
Autor:
E. V. Zubova, D. S. Fedosov
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 26, Iss 3, Pp 83-95 (2024)
RELEVANCE. The increase in the share of high nonlinear loads in power systems, causing non-sinusoidal currents and voltages, leads to negative technical consequences and economic losses for the power system and non-distorting consumers. Currently, th
Externí odkaz:
https://doaj.org/article/42fd28a469f74eb0ac54c58e851454fd
Autor:
R. G. Minullin, A. A. Granskaya, E. Yu. Abdullazyanov, I. G. Akhmetova, R. G. Mustafin, V. A. Kasimov
Publikováno v:
Известия высших учебных заведений: Проблемы энергетики, Vol 26, Iss 3, Pp 16-32 (2024)
THE RELEVANCE of the research lies in expanding the technical capabilities of location monitoring of overhead power lines by developing a method for connecting location equipment to them in the absence of standard high-frequency processing of lines.T
Externí odkaz:
https://doaj.org/article/51c8fa44dc834525b117e269ae095b9d
Autor:
Ramy N. R. Ghaly, Ali Ibrahim, Sherif S. M. Ghoneim, Ahmed Abu-Siada, Mohit Bajaj, Ievgen Zaitsev, Hilmy Awad
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract The insulators of overhead power lines play a crucial role in maintaining the reliability of transmission and distribution networks. Because they are exposed to harsh and dynamic environmental conditions, it is essential to investigate the i
Externí odkaz:
https://doaj.org/article/2c26b97d2f0445b2bc2ca93c68bfbf2a
Publikováno v:
Problems of the Regional Energetics, Vol 63, Iss 3, Pp 1-13 (2024)
The purpose of the work is a theoretical and experimental study of the effectiveness of combined shielding, including active and passive shielding using a continuous screen, of the magnetic field generated by single-circuit power lines with a triangu
Externí odkaz:
https://doaj.org/article/58dd6cc275064c289c50d13dae1be09a
Publikováno v:
Problems of the Regional Energetics, Vol 62, Iss 2, Pp 14-27 (2024)
The purpose of the work is to design a hybrid screen designed to reduce the level of the magnetic field generated by double-circuit overhead power lines, to increase the efficiency of shielding the original magnetic field in residential buildings, to
Externí odkaz:
https://doaj.org/article/640ccfa590b54ac5931b73c92ec371c2
Publikováno v:
Омский научный вестник, Vol 4 (188), Pp 84-92 (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 determina
Externí odkaz:
https://doaj.org/article/e1f9ad20e714472a9804a4f473774630
Publikováno v:
Problems of the Regional Energetics, Vol 60, Iss 4, Pp 14-29 (2023)
The purpose of the work is to design an electromagnetic shield to reduce the level of the magnet-ic field generated by double-circuit overhead power lines to increase the shielding efficiency of the initial magnetic field in residential buildings to
Externí odkaz:
https://doaj.org/article/eb42030091204fc38d3c634f71f0b56c
Autor:
E. V. Petrova
Publikováno v:
Омский научный вестник, Vol 3 (187), Pp 101-108 (2023)
In this article, the subject of research is methods for calculating active power losses in electric power overhead lines, taking into account the temperature dependence of active resistances. An analytical approach based on the Ferrari method for
Externí odkaz:
https://doaj.org/article/29c251e06d7747adabd6c2ed325aacb4
Publikováno v:
Problems of the Regional Energetics, Vol 59, Iss 3, Pp 1-16 (2023)
The aim of the work is to design a robust hybrid active-passive magnetic field shielding system created by overhead power lines with a triangular arrangement of phase wires, designed to increase the shielding efficiency of the initial magnetic field
Externí odkaz:
https://doaj.org/article/78fc73a6919f4c50b52dd21d9c36cb42