Volume 15, Issue 3 (September 2019)                   IJEEE 2019, 15(3): 375-385 | Back to browse issues page

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Hajiaghasi S, Rafiee Z, Salemnia A, Soleymani Aghdam T. A Three-Dimensional Analysis of Silicone Rubber Insulators Under Different Environmental Conditions Considering the Corona Rings Effect. IJEEE 2019; 15 (3) :375-385
URL: http://ijeee.iust.ac.ir/article-1-1339-en.html
A Three-Dimensional Analysis of Silicone Rubber Insulators Under Different Environmental Conditions Considering the Corona Rings Effect
S. Hajiaghasi , Z. Rafiee , A. Salemnia , T. Soleymani Aghdam
Abstract:   (3726 Views)
Since the insulators of transmission lines are exposed to different environmental conditions, it is important task to study insulators performance under different conditions. In this paper, silicone rubber insulators performance under different environmental conditions including rainy, icy, salt and cement are proposed and exactly is studied. Electric fields (E-fields) and voltage distributions along the insulator under various conditions have been evaluated. Moreover, the corona rings effects on insulator performance under these conditions have been presented. A 230 kV silicone rubber insulator is selected, modeled and simulated with finite element method (FEM) using the COMSOL software. The simulation is repeated for different environmental conditions and efficiency of corona ring for each scenario is evaluated. The results indicate that environmental conditions have a significant effect on the insulator performance and the corona ring somewhat alleviate the adverse effect of environmental conditions on the insulator performance.
Keywords: Corona Ring , Electric Field , Finite Element Method (FEM) , Insulator , Potential Distribution , Rubber Insulator
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Type of Study: Research Paper | Subject: High Voltage Engineering
Received: 2018/10/31 | Revised: 2019/06/05 | Accepted: 2019/02/06
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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.