Developing simplified thermal models for 11 kV underground cables in Australia

J. Fulcher; D. Martin; O Krause; D.G. Caldwell; Simon M Rowland; Ognjen Marjanovic

doi:10.1109/APPEEC.2015.7380936

Developing simplified thermal models for 11 kV underground cables in Australia

J. Fulcher, D. Martin, O Krause, D.G. Caldwell, Simon M Rowland, Ognjen Marjanovic

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

Abstract

Underground cables are an essential part of the urban electricity grid. However, a disadvantage is that once they reach or even exceed their rated capacity the excessive temperature can considerably shorten the life of their insulation. The ultimate temperature reached is dependent on both the ground temperature and the thermal resistivity of surrounding soil. Modelling the temperature of the core conductor of a cable is highly beneficial because a utility can use this information during emergency overloads to assure that temperature limits are not exceeded, i.e. they can calculate the steady state temperature which would be reached during the overload. The current IEC thermal model requires numerous inputs, all of which might not be available. Consequently, a simpler thermal model based on identifying the transfer function was investigated using data supplied by a utility. The results are presented in this article.

Original language	English
Title of host publication	Proceedings of the 2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference, APPEEC 2015
Publisher	IEEE Computer Society
ISBN (Electronic)	9781467381321
DOIs	https://doi.org/10.1109/APPEEC.2015.7380936
Publication status	Published - 14 Jan 2016
Event	IEEE PES Asia-Pacific Power and Energy Engineering Conference, APPEEC 2015 - Brisbane, Australia Duration: 15 Nov 2015 → 18 Nov 2015

Conference

Conference	IEEE PES Asia-Pacific Power and Energy Engineering Conference, APPEEC 2015
Country/Territory	Australia
City	Brisbane
Period	15/11/15 → 18/11/15

Keywords

Cable insulation
Plastic insulation
Power system management
Substations
Thermal factors

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10.1109/APPEEC.2015.7380936

Cite this

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title = "Developing simplified thermal models for 11 kV underground cables in Australia",

abstract = "Underground cables are an essential part of the urban electricity grid. However, a disadvantage is that once they reach or even exceed their rated capacity the excessive temperature can considerably shorten the life of their insulation. The ultimate temperature reached is dependent on both the ground temperature and the thermal resistivity of surrounding soil. Modelling the temperature of the core conductor of a cable is highly beneficial because a utility can use this information during emergency overloads to assure that temperature limits are not exceeded, i.e. they can calculate the steady state temperature which would be reached during the overload. The current IEC thermal model requires numerous inputs, all of which might not be available. Consequently, a simpler thermal model based on identifying the transfer function was investigated using data supplied by a utility. The results are presented in this article.",

keywords = "Cable insulation, Plastic insulation, Power system management, Substations, Thermal factors",

author = "J. Fulcher and D. Martin and O Krause and D.G. Caldwell and Rowland, {Simon M} and Ognjen Marjanovic",

year = "2016",

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doi = "10.1109/APPEEC.2015.7380936",

language = "English",

booktitle = "Proceedings of the 2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference, APPEEC 2015",

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note = "IEEE PES Asia-Pacific Power and Energy Engineering Conference, APPEEC 2015 ; Conference date: 15-11-2015 Through 18-11-2015",

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Fulcher, J, Martin, D, Krause, O, Caldwell, DG, Rowland, SM & Marjanovic, O 2016, Developing simplified thermal models for 11 kV underground cables in Australia. in Proceedings of the 2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference, APPEEC 2015., 7380936, IEEE Computer Society , IEEE PES Asia-Pacific Power and Energy Engineering Conference, APPEEC 2015, Brisbane, Australia, 15/11/15. https://doi.org/10.1109/APPEEC.2015.7380936

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T1 - Developing simplified thermal models for 11 kV underground cables in Australia

AU - Fulcher, J.

AU - Martin, D.

AU - Krause, O

AU - Caldwell, D.G.

AU - Rowland, Simon M

AU - Marjanovic, Ognjen

PY - 2016/1/14

Y1 - 2016/1/14

N2 - Underground cables are an essential part of the urban electricity grid. However, a disadvantage is that once they reach or even exceed their rated capacity the excessive temperature can considerably shorten the life of their insulation. The ultimate temperature reached is dependent on both the ground temperature and the thermal resistivity of surrounding soil. Modelling the temperature of the core conductor of a cable is highly beneficial because a utility can use this information during emergency overloads to assure that temperature limits are not exceeded, i.e. they can calculate the steady state temperature which would be reached during the overload. The current IEC thermal model requires numerous inputs, all of which might not be available. Consequently, a simpler thermal model based on identifying the transfer function was investigated using data supplied by a utility. The results are presented in this article.

AB - Underground cables are an essential part of the urban electricity grid. However, a disadvantage is that once they reach or even exceed their rated capacity the excessive temperature can considerably shorten the life of their insulation. The ultimate temperature reached is dependent on both the ground temperature and the thermal resistivity of surrounding soil. Modelling the temperature of the core conductor of a cable is highly beneficial because a utility can use this information during emergency overloads to assure that temperature limits are not exceeded, i.e. they can calculate the steady state temperature which would be reached during the overload. The current IEC thermal model requires numerous inputs, all of which might not be available. Consequently, a simpler thermal model based on identifying the transfer function was investigated using data supplied by a utility. The results are presented in this article.

KW - Cable insulation

KW - Plastic insulation

KW - Power system management

KW - Substations

KW - Thermal factors

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M3 - Conference contribution

AN - SCOPUS:84965017062

BT - Proceedings of the 2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference, APPEEC 2015

PB - IEEE Computer Society

T2 - IEEE PES Asia-Pacific Power and Energy Engineering Conference, APPEEC 2015

Y2 - 15 November 2015 through 18 November 2015

ER -

Developing simplified thermal models for 11 kV underground cables in Australia

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