Investigation of electrical tree propagation from water tree by utilizing partial discharge and optical observation

Morita, Masao; Wu, Kai; Komori, F.; Suzuoki, Yasuo

doi:10.1109/icpadm.2003.1218565

Cited by 20 publications

(6 citation statements)

References 2 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…We have been studying electrical-tree inception and propagation and associated phenomena mainly by using a water-needle electrode [1][2][3][4][5]. One of our previous results is shown in Figure 1.…”

Section: Introductionmentioning

confidence: 94%

Inception of electrical tree from water-tree degradation at high temperature

Suzuoki

Hayashi

Kato

et al. 2009

2009 IEEE 9th International Conference on the Properties and Applications of Dielectric Materials

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 94%

Inception of electrical tree from water-tree degradation at high temperature

Suzuoki

Hayashi

Kato

et al. 2009

2009 IEEE 9th International Conference on the Properties and Applications of Dielectric Materials

View full text Add to dashboard Cite

“…Length Width Product. This method determines the area of the rectangle that encloses the electrical tree [7].…”

Section: Literature Reviewmentioning

confidence: 99%

Development of a software tool to evaluate electrical tree growth images

Bahadoorsingh

Balliram

Sharma

et al. 2011

2011 Annual Report Conference on Electrical Insulation and Dielectric Phenomena

View full text Add to dashboard Cite

This paper critically reviews the electrical tree growth measurement techniques commonly employed. The paper continues, describing the development of a user friendly software tool using MATLAB. This tool quantitatively evaluates a host of electrical tree growth images using various techniques, including fractal index, width length ratio and intensity frequency analysis. The software methodology, associated implementation challenges as well as salient software features are discussed. Estimation of three dimensional models from two dimensional digital images is also addressed in this paper.The performance of the embedded techniques for electrical tree growth measurement, as well as the image processing algorithms utilized in the developed software tool, is qualitatively and quantitatively reviewed. Preliminary results from the developed software on electrical tree growth images highlight the potential to improve the accuracy of deductions, from investigations on factors influencing electrical tree growth.

show abstract

“…Electrical trees starts in an electric field stress concentration weak zone, or come from water trees [3]. Usually, we use needle-plane electrode to achieve the initiation of electrical trees and study the propagation characteristics of the electrical trees [2,[4][5][6].…”

Section: Introductionmentioning

confidence: 99%

The Chaos Characteristics Analysis for Electrical Treeing Propagation in XLPE Power Cables

Liu

Quan

Liao

et al. 2008

Conference Record of the 2008 IEEE International Symposium on Electrical Insulation

View full text Add to dashboard Cite

The electrical breakdown can be induced by electrical tree in cross-linked polyethylene (XLPE) cables. In order to study the electrical tree, the needle-plane electrode which is different from the cable in geometric configuration is usually used to simulate the defect in XLPE cable. In this paper, an actual 15kV XLPE cable was used to test the electrical tree, its electrical stress enhancing was simulated by a metal needle defect. The growth of electrical trees was detected by the digital partial discharge (PD) measurement, and the structures of them was observed from cross and vertical section by optical microscopy. The test results indicated that the width of electrical trees on cross section is greater than which on vertical section in the voltage range of AC 12kV to AC 21kV because of the different distribution of electric field. The chaos analysis for the time series of PD data indicated that the propagation of the electrical trees showed the characteristics of the deterministic chaos. And its maximal Lyapunov exponent and correlation dimension of the strange attractors increased with the decrease of the fractal dimension of the trees. Therefore, it demonstrated that the random propagation of the trees is limited by the reversed electrical field, and this limitation for the bush-like trees was less than the branch-like trees. This limitation was analyzed also through the mechanism of the trees growth.

show abstract

Investigation of electrical tree propagation from water tree by utilizing partial discharge and optical observation

Cited by 20 publications

References 2 publications

Inception of electrical tree from water-tree degradation at high temperature

Inception of electrical tree from water-tree degradation at high temperature

Development of a software tool to evaluate electrical tree growth images

The Chaos Characteristics Analysis for Electrical Treeing Propagation in XLPE Power Cables

Contact Info

Product

Resources

About