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Aging of Polymeric Insulators under Various Conditions and Environments: Another Look

Author

Listed:
  • Xinhan Qiao

    (School of Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China
    Sunten Electric Equipment Co., Ltd., Foshan 528300, China)

  • Yue Ming

    (School of Mechanical & Electrical Engineering, Xuzhou University of Technology, Xuzhou 221018, China)

  • Ke Xu

    (State Key Laboratory of Environmental Adaptability for Industrial Products, China National Electric Apparatus Research Institute Co., Ltd., Guangzhou 510663, China)

  • Ning Yi

    (State Grid Zhenjiang Power Supply Company, Zhenjiang 212000, China)

  • Raji Sundararajan

    (School of Engineering Technology, Purdue University, West Lafayette, IN 47907, USA)

Abstract

Polymeric insulators have lightweight, excellent hydrophobicity and convenient transportation and installation. They are widely used in the external insulation for distribution and transmission lines. However, due to the long-term effects of pollution, ultraviolet radiation, discharge, temperature, humidity, altitude and other natural and complex environmental and service factors, the silicone rubber and other materials of polymeric insulators gradually age and lose their hydrophobicity and electrical insulation characteristics. The operability is significantly reduced, which seriously affects the safety and reliability of the power system. Hence, there is a need for assessing and evaluating the long-term aging and degradation of polymeric insulators under various operating conditions and environments. In this review, the various aging and characterization techniques of the polymeric insulators and their aging performance under the action of multiple factors are discussed. To enhance the performance of polymeric insulators, nano-coating, surface treatment and other techniques are also indicated. In addition, future potential fields that should be explored from a high-voltage electrical insulation perspective are also presented.

Suggested Citation

  • Xinhan Qiao & Yue Ming & Ke Xu & Ning Yi & Raji Sundararajan, 2022. "Aging of Polymeric Insulators under Various Conditions and Environments: Another Look," Energies, MDPI, vol. 15(23), pages 1-16, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:23:p:8809-:d:980771
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    References listed on IDEAS

    as
    1. Jing Nan & Hua Li & Xiaodong Wan & Feng Huo & Fuchang Lin, 2021. "Pollution Flashover Characteristics of Composite Crossarm Insulator with a Large Diameter," Energies, MDPI, vol. 14(20), pages 1-12, October.
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