Developing simplified thermal models for 11 kV underground cables in Australia

Fulcher, J., Martin, D., Krause, O., Caldwell, G., Rowland, S. M. and Marjanovic, O. (2015). 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). IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC), Brisbane, Australia, (). 15-18 November 2015. doi:10.1109/APPEEC.2015.7380936


Author Fulcher, J.
Martin, D.
Krause, O.
Caldwell, G.
Rowland, S. M.
Marjanovic, O.
Title of paper Developing simplified thermal models for 11 kV underground cables in Australia
Conference name IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)
Conference location Brisbane, Australia
Conference dates 15-18 November 2015
Convener IEEE
Proceedings title Proceedings of the 2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)
Journal name Asia-Pacific Power and Energy Engineering Conference, APPEEC
Place of Publication Piscataway, NJ, United States
Publisher Institute of Electrical and Electronic Engineers (IEEE)
Publication Year 2015
Sub-type Fully published paper
DOI 10.1109/APPEEC.2015.7380936
Open Access Status Not Open Access
ISBN 9781467381321
ISSN 2157-4847
Volume 2016-January
Total pages 5
Collection year 2016
Language eng
Formatted Abstract/Summary
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.
Keyword Cable insulation
Plastic insulation
Power system management
Substations
Thermal factors
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ

 
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Created: Fri, 22 Jan 2016, 09:15:16 EST by Dr Olav Krause on behalf of School of Information Technol and Elec Engineering