A New Model of AC Resistance in ACSR Conductors

Barrett, J.S.; Nigol, O.; Fehervari, C. J.; Findlay, R.D.

doi:10.1109/mper.1986.5527729

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Improving Of Aluminum By Inoculating Alb1

Power Loss Caused By the Phase Current1

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2018

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Cited by 3 publications

(2 citation statements)

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“…Increasing in short circuit capacity and decreasing of the internal resistance of the wires gives soundness to the conductor when forced by lightning arc. The calculation of short-circuit current capacity was based on the assumption that no external heat flow would develop (adiabatic heating process) [17][18][19].…”

Section: Improving Of Aluminum By Inoculating Albmentioning

confidence: 99%

Enhancement on Al–Mg–Si alloys against failure due to lightning arc occurred in energy transmission lines

Karabay

Güven

Ertürk

2013

Engineering Failure Analysis

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Section: Improving Of Aluminum By Inoculating Albmentioning

confidence: 99%

Enhancement on Al–Mg–Si alloys against failure due to lightning arc occurred in energy transmission lines

Karabay

Güven

Ertürk

2013

Engineering Failure Analysis

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“…The magnetising effect is opposite in a two-layer conductor and results in a small increase of the effective resistance. This effect is considerable in one-layer conductors, moderate in three-layer conductors, and it may be disregarded for five-layer conductors and more [21,22]. The exact calculation of this effect is difficult because the core magnetic properties and the exact layer lengths are generally not available.…”

Section: Power Loss Caused By the Phase Currentmentioning

confidence: 99%

A proposed algorithm for an overhead transmission line conductor temperature rise calculation

Kotni

2012

Int. Trans. Electr. Energ. Syst.

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SUMMARYThe work carried out in this paper is to deal with a proposed conductor temperature rise computation algorithm. This simple algorithm gives more accurate calculation, making use of the load current and the weather data parameters, particularly the amount of solar incidental radiation upon the conductor and the conductor material properties. The calculation is based on the heat transfer mechanisms occurring in the stranded exposed overhead transmission lines (OHTL) conductors in a natural environment. In this paper, the mathematical models for the use of the natural and forced convections are presented by using Numbers of Grashof and Reynolds, respectively, in the determination of the temperature rise of the OHTLs. Skin effect and iron losses are also taken into account in order to determine the alternating current resistance of an Aluminium Conductor Steel Reinforced in the process of iteration's heat balance equation. The surface area factor of the stranded conductors that increases the loss by radiation from the conductor surface is also used to calculate the temperature rise of the stranded OHTL.

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Application of direct collocation method in short-term line ampacity calculation

Pavlinić

Komen²,

Uzelac³

2018

Electric Power Systems Research

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A New Model of AC Resistance in ACSR Conductors

Cited by 3 publications

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Enhancement on Al–Mg–Si alloys against failure due to lightning arc occurred in energy transmission lines

Enhancement on Al–Mg–Si alloys against failure due to lightning arc occurred in energy transmission lines

A proposed algorithm for an overhead transmission line conductor temperature rise calculation

Application of direct collocation method in short-term line ampacity calculation

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