Impact of Accelerated Ultraviolet Weathering on Polymeric Composite Insulators Under High Voltage DC Stress

Israr Ullah; Muhammad Amin; Haider Hussain; M. Tariq Nazir

doi:10.17775/CSEEJPES.2020.01900

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Impact of Accelerated Ultraviolet Weathering on Polymeric Composite Insulators Under High Voltage DC Stress

Regular Papers | 更新时间：2026-10-15

- Impact of Accelerated Ultraviolet Weathering on Polymeric Composite Insulators Under High Voltage DC Stress
- CSEE Journal of Power and Energy Systems Vol. 8, Issue 3, Pages: 922-932(2022)
- 作者机构：
  
  1. Faculty of Electrical Engineering, Ghulam Ishaq Khan Institute of Engineering Sciences and Technology, Topi, Swabi, KPK,Pakistan
  2. School of Electrical Engineering and Telecommunications, University of New South Wales,NSW,Sydney,Australia
  3. School of Mechanical and Manufacturing Engineering, University of New South Wales,NSW,Sydney,Australia
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2020.01900
  CLC：
- Published：01 May 2022
- 稿件说明：
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Israr Ullah, Muhammad Amin, Haider Hussain, et al. Impact of Accelerated Ultraviolet Weathering on Polymeric Composite Insulators Under High Voltage DC Stress[J]. CSEE Journal of Power and Energy Systems, 2022, 8(3): 922-932.
DOI：

Israr Ullah, Muhammad Amin, Haider Hussain, et al. Impact of Accelerated Ultraviolet Weathering on Polymeric Composite Insulators Under High Voltage DC Stress[J]. CSEE Journal of Power and Energy Systems, 2022, 8(3): 922-932. DOI： 10.17775/CSEEJPES.2020.01900.

摘要

Abstract

This study investigates the weatherability of room temperature vulcanized (RTV) silicone rubber (SiR) and epoxy-based material specimens with a composition of different nano and micro fillers against the collegial effects of high voltage DC

UV and temperature stresses. Bulk power transmission over long distances via HVDC is considered an economic option these days

so to ensure the system reliability

it is also critical to investigate these insulators under DC stress along with other environmental stresses (especially UV and temperature). For experimentation

composite samples i.e. neat epoxy (NE)

epoxy with 15% micro SiO<inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2 (EMS)

epoxy with 5% nano SiO<inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2 (ENS)

neat SiR (NS)

SiR with 15% micro SiO<inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2 (SMS) and SiR with 5% nano SiO<inf xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2 (SNS) are fabricated and subjected to accelerated aging in a weather chamber for 3

360 hours. Results reveal that SMS and SNS offer better hydrophobic behavior followed by EMS. However noticeable surface discoloration in the form of whitish shade with minor blackish spots is found in the case of SMS

while remaining samples also showed considerable color fading. Scanning electron microscopy (SEM) and Fourier Transform Infrared Spectroscopy (FTIR) results showed that SNS and SMS presented quite excellent resistance to the exposure of fillers. Hardness and weight of all specimens are evaluated throughout the experiment and particularly for the water immersion test. Moreover

leakage current analysis indicated that SNS and SMS revealed high leakage current suppression compare to other samples. Findings indicate that SNS and SMS showed enhanced resistance against UV weathering under high voltage direct current stress.

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