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Space charge measurements in polymeric high voltage insulation materials using the LIPP method

Space charge measurements in polymeric high voltage insulation materials using the LIPP method
Space charge measurements in polymeric high voltage insulation materials using the LIPP method
This paper reports on a study using the laser induced pressure pulse (LIPP) method to measure the space charge characteristics in bulk cross-linked polyethylene (XLPE) insulation under dc electric stress. Particular attention has been given to the quantitative appraisal of calibration parameters, and the resultant estimations of space charge and electric stress distributions. A method is described for analysing the measured raw data from ramp voltage and ageing tests to give an estimate of charge and stress without resorting to a complicated mathematical exercise. The consequence of stress enhancement due to the trapped charge on the life of the insulation is estimated using the empirical inverse law. Using analysis of variance and a multivariate analysis technique, the effects of treatment and type of XLPE on the space charge characteristics are also discussed.
1070-9878
725-730
Wu, X.
b6ec2d37-5357-42db-a350-a73969909549
Chen, G.
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Davies, A. E.
56d95222-b259-494a-92e9-68b090ec0dcd
Hampton, R. N.
4daf53d4-1443-4f31-bc1d-163b864330c2
Sutton, Simon
571c7136-1eb6-44e1-8979-ca0829469a6b
Swingler, S. G.
cffe3b5b-b7a3-4836-b0ba-9f4cd05c8a8f
Wu, X.
b6ec2d37-5357-42db-a350-a73969909549
Chen, G.
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Davies, A. E.
56d95222-b259-494a-92e9-68b090ec0dcd
Hampton, R. N.
4daf53d4-1443-4f31-bc1d-163b864330c2
Sutton, Simon
571c7136-1eb6-44e1-8979-ca0829469a6b
Swingler, S. G.
cffe3b5b-b7a3-4836-b0ba-9f4cd05c8a8f

Wu, X., Chen, G., Davies, A. E., Hampton, R. N., Sutton, Simon and Swingler, S. G. (2001) Space charge measurements in polymeric high voltage insulation materials using the LIPP method. IEEE Transactions on Dielectrics & Electrical Insulation, 8 (4), 725-730. (doi:10.1109/94.946730).

Record type: Article

Abstract

This paper reports on a study using the laser induced pressure pulse (LIPP) method to measure the space charge characteristics in bulk cross-linked polyethylene (XLPE) insulation under dc electric stress. Particular attention has been given to the quantitative appraisal of calibration parameters, and the resultant estimations of space charge and electric stress distributions. A method is described for analysing the measured raw data from ramp voltage and ageing tests to give an estimate of charge and stress without resorting to a complicated mathematical exercise. The consequence of stress enhancement due to the trapped charge on the life of the insulation is estimated using the empirical inverse law. Using analysis of variance and a multivariate analysis technique, the effects of treatment and type of XLPE on the space charge characteristics are also discussed.

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Published date: August 2001

Identifiers

Local EPrints ID: 254012
URI: http://eprints.soton.ac.uk/id/eprint/254012
ISSN: 1070-9878
PURE UUID: 32ecc4b9-bfb3-4147-a356-0636b409fbaf

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Date deposited: 11 Oct 2000
Last modified: 06 Oct 2020 23:15

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Contributors

Author: X. Wu
Author: G. Chen
Author: A. E. Davies
Author: R. N. Hampton
Author: Simon Sutton
Author: S. G. Swingler

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