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Volume 45 Issue 2
Feb.  2023
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XIE Hongwei, XU Guohui, LYU Tongfa, LI Xiangjie, MOU Xing, XIN Peng. Radial Distribution of Discharge Intensity about Disk-shaped Insulator Based on Ultraviolet Image[J]. Infrared Technology , 2023, 45(2): 223-227.
Citation: XIE Hongwei, XU Guohui, LYU Tongfa, LI Xiangjie, MOU Xing, XIN Peng. Radial Distribution of Discharge Intensity about Disk-shaped Insulator Based on Ultraviolet Image[J]. Infrared Technology , 2023, 45(2): 223-227.
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Radial Distribution of Discharge Intensity about Disk-shaped Insulator Based on Ultraviolet Image

  • State Grid Inner Mongolia Eastern Electric Power Co., Ltd., Xing'an Power Supply Company, Hinggan League, 137400, China

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  • Received Date: December 27, 2020
  • Revised Date: January 26, 2021
    Abstract
  • A method for calculating the flare area based on image segmentation is proposed to study the ultraviolet image characteristics of the wet-contaminated discharge of disk-shaped insulators. First, based on the C-V model, the radial distribution of an ultraviolet image of a disk-shaped insulator is studied. It is then compared with the infrared temperature-field curve to verify its rationality. Finally, the ultraviolet image characteristics of the wet-contaminated insulators with different electrical resistivities and wind speeds are studied. The results show that the C-V model has strong anti-interference performance when applied to image processing, and is suitable for the study of the radial discharge intensity of disk-shaped insulators. The ultraviolet flare area of the insulator increases with a decrease in the surface resistivity. The wind speed has an obvious influence on the discharge intensity of the disk-shaped insulator. The results provide a reference for evaluating the radial discharge intensity of disk-shaped insulators.
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