JACIII Vol.27 No.3 pp. 458-466
doi: 10.20965/jaciii.2023.p0458

Research Paper:

A Fault Warning Method for Hotline Tap Clamp Infrared Images Based on Hybrid Segmentation

Peifeng Shen*, Yang Yang**,†, Lihua Li**, Ting Chen*, and Ning Yang**

*Taizhou Power Supply Branch, Jiangsu Electric Power Company
No.2 Fenghuang West Road, Taizhou, Zhejiang 318000, China

**China Electric Power Research Institute
No.15 Xiaoying East Road, Qinghe, Beijing 100192, China

Corresponding author

December 16, 2022
February 4, 2023
May 20, 2023
fault warning, image segmentation, CV model, two-dimensional Otsu, Prewitt operator

Substation equipment faults are typically related to the heating of equipment components. The hotline tap clamps of substation are critical components for carrying load currents and thermal fault potential. As a result, a new hybrid early warning approach for hotline tap clamp faults in substation equipment is presented. A two-dimensional Otsu algorithm is used to coarse-segment infrared images to minimize the subsequent complexity. Since the Chan–Vese (CV) model is insufficiently accurate for image segmentation with uneven grayscale, then the differential data obtained by the Prewitt operator to identify the goal edges are combined with the CV model to improve segmentation accuracy. The improved CV model achieves excellent segmentation of the hotline tap clamp in the substation. The temperature statistics are utilized for the segmented images, and the hotline tap clamp fault warning is realized based totally on the relative temperature difference. Finally, the experiments exhibit that the method can enhance the segmentation impact of infrared images and obtain the goal of fault warning.

A new hybrid early fault warning method

A new hybrid early fault warning method

Cite this article as:
P. Shen, Y. Yang, L. Li, T. Chen, and N. Yang, “A Fault Warning Method for Hotline Tap Clamp Infrared Images Based on Hybrid Segmentation,” J. Adv. Comput. Intell. Intell. Inform., Vol.27 No.3, pp. 458-466, 2023.
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Last updated on Sep. 29, 2023