Application of dynamic asset rating on the UK LV and 11 kV underground power distribution network

Jenkins, L., Fahmi, N. and Yang, J. (2017) Application of dynamic asset rating on the UK LV and 11 kV underground power distribution network. In: 52nd International Universities Power Engineering Conference (UPEC), Heraklion, Greece, 28-31 Aug 2017, ISBN 9781538623442 (doi:10.1109/UPEC.2017.8231879)

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Abstract

The UK electrical power network is currently transitioning towards a `smart grid'. This will be driven by the take up of green devices such as electric vehicle charging units, solar generation and district heating schemes. In order for Distribution Network Operators (DNO) in the UK to balance supply and demand they will need to maximise utilisation of existing assets under challenging conditions. This paper details a Finite Element Magnetic Method (FEMM) model used to simulate the thermal impact on cable insulation asset lifespan for two unique aspects; the non-standard burial of adjacent Low Voltage (LV) electrical power cables on high voltage (HV) electrical power cables; and a typical district heating scheme. Principle results have shown a conductor temperature rise of 14 °C in HV cables under non-standard LV cable burial conditions, which could result in significant deterioration in cable lifespan. The introduction of a district heating scheme indicates a HV conductor temperature rise of 4.5 °C, which is close to the manufacturer's insulation deterioration tolerance.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Yang, Dr Jin
Authors: Jenkins, L., Fahmi, N., and Yang, J.
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
Journal Name:2017 52nd International Universities Power Engineering Conference, UPEC 2017
ISBN:9781538623442
Published Online:21 December 2017

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