The numerical-analytical method for solving the stability problem for spatial lattice structures of power lines' supports

Garanzha, Igor; Tanasoglo, Anton; Fomenko, Serafim

doi:10.1063/5.0103488

Cited by 1 publication

(3 citation statements)

References 8 publications

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“…Using formula (2), the values of all three critical spans can be calculated by substituting the required values of modes I and II.…”

Section: IXmentioning

confidence: 99%

“…Currently, about 600 thousand km of 110 kV overhead power transmission lines on metal supports are operated in the power systems of the CIS countries, the total weight of which reaches 5 million tons [1][2][3][4]. The massive nature of the construction of overhead line supports raises the issue of increasing the efficiency, durability and reliability of energy construction, therefore, finding ways to save additional steel during the construction of high-voltage lines and revising existing standard projects is an important task [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

“…Rapid and effective improvement of overhead line supports is possible through their optimization and automation of design, including: creation of a computational model of overhead lines as a single network and an algorithm for its solution; study of loads from wires and cables when they work together with support structures depending on terrain and atmospheric and climatic conditions; analysis of the stress-strain state of live wires, lightning protection cables, guy ropes, a trunk of the support and foundations when they work together; optimization of their structural forms taking into account the requirements of efficiency and manufacturability; creation of a system of automated one-stage design [2,3,[8][9][10]. That is the reason the creation of a settlement complex is an urgent task.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Software package for analysis and design of overhead power transmission line structures

Tanasoglo,

Garanzha,

Bakaev

et al. 2023

E3S Web Conf.

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The article describes an algorithm for calculating wires and cables implemented by determining the loads on the supports, taking into account the compatibility of deformations of structural elements of an overhead power line (overhead line), atmospheric conditions and the profile of the route for all possible modes of operation of overhead lines. Wires and cables are exposed to the load from their own weight, as well as additional impacts in the form of horizontal wind load and the weight of icy deposits. Using the reduced equation of state of the wire (lightning-proof cable), the amount of tension in the operational state is determined if the voltages in the initial state and the values of loads and temperatures are known. It is revealed that for small spans, the voltage value is greatly influenced by temperature, and for large spans by load, which means there must be such a boundary (critical) span value at which the influence of temperature and load on the voltage value will be the same. As a result, software has been developed to solve the problem of determining the stress-strain state of wires and cables and collecting loads on overhead line supports. The developed calculation subsystems can function independently or be included in the software package as components written in the algorithmic language FORTRAN. In contrast to the traditional calculation, emergency loads for anchor-corner supports are determined not only in the ice regime, but also at minimum and average operating temperatures. The calculation in the software package allows us to consider the alternate breakage of all phases of wires and cables in both the left and right spans.

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“…Using formula (2), the values of all three critical spans can be calculated by substituting the required values of modes I and II.…”

Section: IXmentioning

confidence: 99%