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Effect of high resistive barrier on earthing system

Effect of high resistive barrier on earthing system
Effect of high resistive barrier on earthing system
Substation earthing provides a low impedance path and carries current into ground under normal and fault conditions without adversely affecting continuity of service. Under a fault condition, the ground voltage may rise to a level that may endanger the public outside the vicinity of the substation. In such a case a high resistive barrier can be inserted around the vicinity of the substation to reduce the surface potentials immediately beyond the barrier. In this paper the effect of barrier on the overall performance of the earthing system has been investigated experimentally and computationally based on an earthing system consisted of combined grid and rods in a water tank. The effect of the position and depth of the barrier to the resistance of the earthing system and surface potentials in and around the substation have been examined.
Substation earthing, high resistive barrier, earthing impedance
90-77017-79-8
CD ROM
Osman, M
060d8810-93aa-4377-a791-a528aca61dc6
Chen, G
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Pilling, N
983115ee-5431-4698-a822-ad529ff7747f
Osman, M
060d8810-93aa-4377-a791-a528aca61dc6
Chen, G
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Pilling, N
983115ee-5431-4698-a822-ad529ff7747f

Osman, M, Chen, G and Pilling, N (2003) Effect of high resistive barrier on earthing system. 13th International Symposium on High Voltage Engineering, Delft, Netherlands. 24 - 28 Aug 2003. CD ROM .

Record type: Conference or Workshop Item (Paper)

Abstract

Substation earthing provides a low impedance path and carries current into ground under normal and fault conditions without adversely affecting continuity of service. Under a fault condition, the ground voltage may rise to a level that may endanger the public outside the vicinity of the substation. In such a case a high resistive barrier can be inserted around the vicinity of the substation to reduce the surface potentials immediately beyond the barrier. In this paper the effect of barrier on the overall performance of the earthing system has been investigated experimentally and computationally based on an earthing system consisted of combined grid and rods in a water tank. The effect of the position and depth of the barrier to the resistance of the earthing system and surface potentials in and around the substation have been examined.

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More information

Published date: 2003
Additional Information: Event Dates: August 25 - 29, 2003
Venue - Dates: 13th International Symposium on High Voltage Engineering, Delft, Netherlands, 2003-08-24 - 2003-08-28
Keywords: Substation earthing, high resistive barrier, earthing impedance
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 261699
URI: http://eprints.soton.ac.uk/id/eprint/261699
ISBN: 90-77017-79-8
PURE UUID: 7bfeae10-a15a-45a3-b386-0b793278f9ef

Catalogue record

Date deposited: 19 Dec 2005
Last modified: 23 Sep 2020 16:38

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