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Flashover Characteristics of Silicone Rubber Sheets under Various Environmental Conditions

Author

Listed:
  • Arshad

    (School of Engineering and Built Environment, Glasgow Caledonian University, Glasgow G4 0BA, UK)

  • Azam Nekahi

    (School of Engineering and Built Environment, Glasgow Caledonian University, Glasgow G4 0BA, UK)

  • Scott G. McMeekin

    (School of Engineering and Built Environment, Glasgow Caledonian University, Glasgow G4 0BA, UK)

  • Masoud Farzaneh

    (Canada Research Chair on Atmospheric Icing Engineering of Power Networks (INGIVRE), Université du Québec à Chicoutimi, Québec, QC G7H 2B1, Canada)

Abstract

Silicone rubber insulators are replacing the conventional ceramic and porcelain insulators rapidly in power transmission and distribution industry. Very limited field knowledge is available about the performance of silicone rubber insulators in polluted and contaminated environments and therefore need further investigation. A comprehensive analysis of silicone rubber sheets (intended for coating outdoor insulators) was carried out in this paper based on experimental results. The main performance parameters analyzed were arc inception voltage and flashover voltage. Dependence of these parameters on equivalent salt deposit density (ESDD), non-soluble salt deposit density (NSDD), relative humidity, ambient temperature, fog rate, dry band formation, dry band location and number of dry bands were investigated extensively. Insulator orientation and its effect on performance were also studied. The authors believe that this paper will provide a comprehensive knowledge about the flashover characteristics of silicone rubber insulators under humid, contaminated and dry band conditions. These results could be used in the selection and design of silicone rubber insulators for polluted environments.

Suggested Citation

  • Arshad & Azam Nekahi & Scott G. McMeekin & Masoud Farzaneh, 2016. "Flashover Characteristics of Silicone Rubber Sheets under Various Environmental Conditions," Energies, MDPI, vol. 9(9), pages 1-19, August.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:9:p:683-:d:76765
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    Citations

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    Cited by:

    1. Yaqi Zhang & Licheng Li & Yongxia Han & Yaoxuan Ruan & Jie Yang & Hansheng Cai & Gang Liu & Yi Zhang & Lei Jia & Yutang Ma, 2018. "Flashover Performance Test with Lightning Impulse and Simulation Analysis of Different Insulators in a 110 kV Double-Circuit Transmission Tower," Energies, MDPI, vol. 11(3), pages 1-13, March.
    2. Arshad & Muhammad Ali Mughal & Azam Nekahi & Mansoor Khan & Farhana Umer, 2018. "Influence of Single and Multiple Dry Bands on Critical Flashover Voltage of Silicone Rubber Outdoor Insulators: Simulation and Experimental Study," Energies, MDPI, vol. 11(6), pages 1-17, May.
    3. Kazuki Komatsu & Hao Liu & Mitsuki Shimada & Yukio Mizuno, 2019. "Assessment of Surface Degradation of Silicone Rubber Caused by Partial Discharge," Energies, MDPI, vol. 12(14), pages 1-13, July.
    4. Xiangxin Li & Ming Zhou & Yazhou Luo & Gang Wang & Lin Jia, 2018. "Effect of Ice Shedding on Discharge Characteristics of an Ice-Covered Insulator String during AC Flashover," Energies, MDPI, vol. 11(9), pages 1-11, September.
    5. Rabah Boudissa & Fatma Bouchelga & Stefan Kornhuber & Klaus Dieter Haim, 2019. "Constellation of Condensation and Raindrops and Its Effect on the DC Flashover Voltage of Inclined Silicone Insulation," Energies, MDPI, vol. 12(18), pages 1-17, September.
    6. Xishan Wen & Xiaoqing Yuan & Lei Lan & Lu Hao & Yu Wang & Shaodong Li & Hailiang Lu & Zhenghong Bao, 2017. "RTV Silicone Rubber Degradation Induced by Temperature Cycling," Energies, MDPI, vol. 10(7), pages 1-12, July.
    7. Ang Ren & Hongshun Liu & Jianchun Wei & Qingquan Li, 2017. "Natural Contamination and Surface Flashover on Silicone Rubber Surface under Haze–Fog Environment," Energies, MDPI, vol. 10(10), pages 1-18, October.
    8. Arshad & Jawad Ahmad & Ahsen Tahir & Brian G. Stewart & Azam Nekahi, 2020. "Forecasting Flashover Parameters of Polymeric Insulators under Contaminated Conditions Using the Machine Learning Technique," Energies, MDPI, vol. 13(15), pages 1-16, July.
    9. Shahid Alam & Yuriy V. Serdyuk & Stanislaw M. Gubanski, 2020. "Temperature and Field Induced Variations of Electric Conductivities of HTV Silicone Rubbers Derived from Measured Currents and Surface Potential Decay Characteristics," Energies, MDPI, vol. 13(11), pages 1-10, June.

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