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DC Flashover Performance of Various Types of Ice-Covered Insulator Strings under Low Air Pressure

Author

Listed:
  • Jianlin Hu

    (State Key Laboratory of Power Transmission Equipments & System Security and New Technology, College of Electrical Engineering, Chongqing University, Chongqing 400030, China)

  • Caixin Sun

    (State Key Laboratory of Power Transmission Equipments & System Security and New Technology, College of Electrical Engineering, Chongqing University, Chongqing 400030, China
    Deceased on 25 November 2011.)

  • Xingliang Jiang

    (State Key Laboratory of Power Transmission Equipments & System Security and New Technology, College of Electrical Engineering, Chongqing University, Chongqing 400030, China)

  • Daibo Xiao

    (Hubei Suizhou Electric Power Supply Company, Suizhou 441300, China)

  • Zhijin Zhang

    (State Key Laboratory of Power Transmission Equipments & System Security and New Technology, College of Electrical Engineering, Chongqing University, Chongqing 400030, China)

  • Lichun Shu

    (State Key Laboratory of Power Transmission Equipments & System Security and New Technology, College of Electrical Engineering, Chongqing University, Chongqing 400030, China)

Abstract

In this study, icing flashover performance tests of typical DC porcelain, glass, and composite insulators are systematically carried out in a multifunction artificial climate chamber. The DC icing flashover voltages of seven typical insulators under various conditions of icing thickness, pollution severity before icing, string length, and atmospheric pressure are obtained. The relationships between icing thickness, salt deposit density as well as atmospheric pressure and the 50% icing flashover voltage are analyzed, and the formulas are obtained by regression method. In addition, the DC icing flashover voltage correction method of typical porcelain, glass, and composite insulator in the coexisting condition of high altitude, contamination, and icing is proposed.

Suggested Citation

  • Jianlin Hu & Caixin Sun & Xingliang Jiang & Daibo Xiao & Zhijin Zhang & Lichun Shu, 2012. "DC Flashover Performance of Various Types of Ice-Covered Insulator Strings under Low Air Pressure," Energies, MDPI, vol. 5(5), pages 1-23, May.
    • Handle: RePEc:gam:jeners:v:5:y:2012:i:5:p:1554-1576:d:17848
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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. Jianlin Hu & Xingliang Jiang & Fanghui Yin & Zhijin Zhang, 2015. "DC Flashover Performance of Ice-Covered Composite Insulators with Parallel Air Gaps," Energies, MDPI, vol. 8(6), pages 1-17, May.
    3. Jingjing Wang & Junhua Wang & Jianwei Shao & Jiangui Li, 2017. "Image Recognition of Icing Thickness on Power Transmission Lines Based on a Least Squares Hough Transform," Energies, MDPI, vol. 10(4), pages 1-15, March.

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