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Effect of applied DC voltages and temperatures on space charge behaviour of multi-layer oil-paper insulation

Effect of applied DC voltages and temperatures on space charge behaviour of multi-layer oil-paper insulation
Effect of applied DC voltages and temperatures on space charge behaviour of multi-layer oil-paper insulation
In this paper, space charge in a multi-layer oil-paper insulation system was investigated using the pulsed electroacoustic (PEA) technique. A series of measurements had been carried following subjection of the insulation system to different applied voltages and different temperatures. Charge behaviours in the insulation system were analyzed and the influence of temperature on charge dynamics was discussed. The test results shows that homocharge injection takes place under all the test conditions, the applied DC voltage mainly affects the amount of space charge, while the temperature has greater influence on the distribution and mobility of space charge inside oil-paper samples.
1742-6588
12006
Tang, Chao
dcd2c9bd-9fa4-4b23-bb5b-b0295aaba4cf
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Fu, M
22d474b8-9c19-4ccb-9e64-6087ffe0941d
Liao, R
23f38936-cf09-4873-8e23-493d61da4e97
Tang, Chao
dcd2c9bd-9fa4-4b23-bb5b-b0295aaba4cf
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Fu, M
22d474b8-9c19-4ccb-9e64-6087ffe0941d
Liao, R
23f38936-cf09-4873-8e23-493d61da4e97

Tang, Chao, Chen, George, Fu, M and Liao, R (2009) Effect of applied DC voltages and temperatures on space charge behaviour of multi-layer oil-paper insulation. Journal of Physics: Conference Series, 183, 12006.

Record type: Article

Abstract

In this paper, space charge in a multi-layer oil-paper insulation system was investigated using the pulsed electroacoustic (PEA) technique. A series of measurements had been carried following subjection of the insulation system to different applied voltages and different temperatures. Charge behaviours in the insulation system were analyzed and the influence of temperature on charge dynamics was discussed. The test results shows that homocharge injection takes place under all the test conditions, the applied DC voltage mainly affects the amount of space charge, while the temperature has greater influence on the distribution and mobility of space charge inside oil-paper samples.

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Published date: August 2009
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 267825
URI: https://eprints.soton.ac.uk/id/eprint/267825
ISSN: 1742-6588
PURE UUID: 58d6d2a6-ea52-4404-8391-52e2d969948a

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Date deposited: 02 Sep 2009 16:02
Last modified: 18 Jul 2017 06:59

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