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The Study of the Effect in Variation of A.C. Applied Voltage to the Partial Discharge Localization inside Transformer Windings

The Study of the Effect in Variation of A.C. Applied Voltage to the Partial Discharge Localization inside Transformer Windings
The Study of the Effect in Variation of A.C. Applied Voltage to the Partial Discharge Localization inside Transformer Windings
Ageing processes typically associated with the dielectric and insulation system occur inside high voltage plant. These unwanted processes may lead to generation of partial discharge (PD) activity and ultimately limit the operational life of the plant. The operational over stressing and defects introduced during manufacture also lead to the existence of PD activity and the source of this activity needs to be identified and remedied before further degradation processes cause catastrophic failure. Therefore, research into localization techniques of PD sources inside high voltage plant generally and particularly within transformer windings has become important in order to provide the asset health information that allows maintenance and replacement processes to be carried out effectively. Locating a PD source inside a transformer winding using on-line measurement data is vital in order to achieve these objectives. Methods have been proposed to achieve this and in this paper the distribution of PD signal energy in the time and frequency domains is used as a location tool. Analysis of experimental data reveals that this approach is independent of the applied voltage.
978-1-4799-2596-4
1290-1293
Abd Rahman, M S
8217f865-63cf-4fa4-9f2b-19589bbdb2f0
Rapisarda, P
79efc3b0-a7c6-4ca7-a7f8-de5770a4281b
Lewin, P L
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Abd Rahman, M S
8217f865-63cf-4fa4-9f2b-19589bbdb2f0
Rapisarda, P
79efc3b0-a7c6-4ca7-a7f8-de5770a4281b
Lewin, P L
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e

Abd Rahman, M S, Rapisarda, P and Lewin, P L (2013) The Study of the Effect in Variation of A.C. Applied Voltage to the Partial Discharge Localization inside Transformer Windings. IEEE 2013 Conference on Electrical Insulation and Dielectric Phenomena, Shenzhen, China. 19 - 22 Oct 2013. pp. 1290-1293 .

Record type: Conference or Workshop Item (Paper)

Abstract

Ageing processes typically associated with the dielectric and insulation system occur inside high voltage plant. These unwanted processes may lead to generation of partial discharge (PD) activity and ultimately limit the operational life of the plant. The operational over stressing and defects introduced during manufacture also lead to the existence of PD activity and the source of this activity needs to be identified and remedied before further degradation processes cause catastrophic failure. Therefore, research into localization techniques of PD sources inside high voltage plant generally and particularly within transformer windings has become important in order to provide the asset health information that allows maintenance and replacement processes to be carried out effectively. Locating a PD source inside a transformer winding using on-line measurement data is vital in order to achieve these objectives. Methods have been proposed to achieve this and in this paper the distribution of PD signal energy in the time and frequency domains is used as a location tool. Analysis of experimental data reveals that this approach is independent of the applied voltage.

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Published date: 20 October 2013
Venue - Dates: IEEE 2013 Conference on Electrical Insulation and Dielectric Phenomena, Shenzhen, China, 2013-10-19 - 2013-10-22
Organisations: EEE

Identifiers

Local EPrints ID: 360876
URI: http://eprints.soton.ac.uk/id/eprint/360876
ISBN: 978-1-4799-2596-4
PURE UUID: fdc0f18d-0282-4478-ad5f-bff21aa3f2ea

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Date deposited: 02 Jan 2014 12:06
Last modified: 20 Nov 2021 16:20

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Contributors

Author: M S Abd Rahman
Author: P Rapisarda
Author: P L Lewin

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