Overview of on-line and off-line ampacity identification techniques of bare overhead transmission line

Abdallah Abdael Baset; M. Emad Farrag; Shahab Farokhi; Donald M. Hepburn

doi:10.1109/UPEC.2016.8113979

Overview of on-line and off-line ampacity identification techniques of bare overhead transmission line

Abdallah Abdael Baset, M. Emad Farrag, Shahab Farokhi, Donald M. Hepburn

Electrical Power Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

68 Downloads (Pure)

Abstract

The economics of power transmission requires operators to maximise the power through the network. Increasing knowledge of the impact of environmental factors on the current carrying capabilities of bare wire overhead lines is, therefore, important. Cost savings resulting from enhancing thermal transfer capabilities of transmission lines has motivated many utilities and power systems research centres to investigate techniques for maximising operational parameters. Enhancing power ratings of bare power conductors brings, alongside improved generated power dispatch flexibility, cost savings and economical and technical challenges. The aim of this paper is to examine some of the existing techniques employed to compute the ampacity of bare power lines and discuss practical limitations of these techniques. In addition, the impact of each technique will be considered from an operational prospective.
On-line and off-line techniques are summarised and compared based on the nature and quality of power sources connected to the system, e.g. power output of windfarms tends to be of intermittent nature.

Original language	English
Title of host publication	2016 51st International Universities Power Engineering Conference (UPEC)
Publisher	IEEE
Pages	1-4
Number of pages	4
ISBN (Electronic)	9781509046508
ISBN (Print)	9781509046515
DOIs	https://doi.org/10.1109/UPEC.2016.8113979
Publication status	Published - 20 Nov 2017

Keywords

Conductors
power transmission lines
meteorology
monitoring
thermal conductivity
real-time systems
transmission line measurements

Documents and Links

10.1109/UPEC.2016.8113979

Abdaelbaset, A. et al (2017) Overview of on-line and off-line ampacity identification techniques of bare overhead transmission line
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Accepted author manuscript, 518 KB

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title = "Overview of on-line and off-line ampacity identification techniques of bare overhead transmission line",

abstract = "The economics of power transmission requires operators to maximise the power through the network. Increasing knowledge of the impact of environmental factors on the current carrying capabilities of bare wire overhead lines is, therefore, important. Cost savings resulting from enhancing thermal transfer capabilities of transmission lines has motivated many utilities and power systems research centres to investigate techniques for maximising operational parameters. Enhancing power ratings of bare power conductors brings, alongside improved generated power dispatch flexibility, cost savings and economical and technical challenges. The aim of this paper is to examine some of the existing techniques employed to compute the ampacity of bare power lines and discuss practical limitations of these techniques. In addition, the impact of each technique will be considered from an operational prospective. On-line and off-line techniques are summarised and compared based on the nature and quality of power sources connected to the system, e.g. power output of windfarms tends to be of intermittent nature.",

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N1 - Acceptance in SAN AAM: no embargo Removed Year 1-2 exception as no longer needed after Pure migration. ET 25/9/19

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AB - The economics of power transmission requires operators to maximise the power through the network. Increasing knowledge of the impact of environmental factors on the current carrying capabilities of bare wire overhead lines is, therefore, important. Cost savings resulting from enhancing thermal transfer capabilities of transmission lines has motivated many utilities and power systems research centres to investigate techniques for maximising operational parameters. Enhancing power ratings of bare power conductors brings, alongside improved generated power dispatch flexibility, cost savings and economical and technical challenges. The aim of this paper is to examine some of the existing techniques employed to compute the ampacity of bare power lines and discuss practical limitations of these techniques. In addition, the impact of each technique will be considered from an operational prospective. On-line and off-line techniques are summarised and compared based on the nature and quality of power sources connected to the system, e.g. power output of windfarms tends to be of intermittent nature.

KW - Conductors

KW - power transmission lines

KW - meteorology

KW - monitoring

KW - thermal conductivity

KW - real-time systems

KW - transmission line measurements

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DO - 10.1109/UPEC.2016.8113979

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