Volume 15, Issue 1 (March 2019)                   IJEEE 2019, 15(1): 56-64 | Back to browse issues page

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Abbasi V, Hemmati S, Moradi M. Effects of Stress Grading Materials’ Properties on the Performance of 20-kV Cable Terminations. IJEEE 2019; 15 (1) :56-64
URL: http://ijeee.iust.ac.ir/article-1-1332-en.html
Effects of Stress Grading Materials’ Properties on the Performance of 20-kV Cable Terminations
V. Abbasi , S. Hemmati , M. Moradi
Abstract:   (3683 Views)
Stress grading (SG) layer in cable terminations limits the critical electric field and properties of SG materials are important issues which have to be considered during manufacturing and selecting procedure. In this paper, two different types of (SG) materials are analyzed by both theory and test. According to the applied theory, important parameters as: electrical resistivity, breakdown voltage and thermal conductivity are determined by experiments. Experimental steps are defined in the paper with which theory and experiments are matched together to complete the investigation. The paper discusses electro-thermal breakdown theory and quality of two different SG layers based on the test results. The theory and experimental procedure can be used for prediction of breakdown voltage in cable terminations. The employed method is useful for qualifying the cable terminations by users who want to buy and install heat shrink cable terminations.
Keywords: Cable Termination , Stress Grading Tube , Critical Electric Field , Nonlinear Material , Insulation Layers
Full-Text [PDF 949 kb]   (2234 Downloads)    
Type of Study: Research Paper | Subject: High Voltage Engineering
Received: 2018/09/01 | Revised: 2019/02/07 | Accepted: 2018/11/24
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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© 2022 by the authors. Licensee IUST, Tehran, Iran. This is an open access journal distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.