Infrared detection of thermal faults inside transformers based on higher order harmonic detection and independent component analysis

Jiawen Yan; Fuquan Jin; Changjin Chen; Chunyue Jiang; Weitao Hu; Haibo Guo

doi:10.1117/12.3004289

25 September 2023 Infrared detection of thermal faults inside transformers based on higher order harmonic detection and independent component analysis

Jiawen Yan, Fuquan Jin, Changjin Chen, Chunyue Jiang, Weitao Hu, Haibo Guo

Author Affiliations +

Proceedings Volume 12788, Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023); 127883K (2023) https://doi.org/10.1117/12.3004289
Event: Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023), 2023, Kuala Lumpur, Malaysia

Abstract

The current technology for detecting thermal faults within transformers is relatively simple in its analysis of infrared thermal images, resulting in poorly correct detection results. To this end, an infrared detection technique for thermal faults inside the transformer based on higher order harmonic detection and independent component analysis is proposed. The thermal images of the internal transformer are acquired. Extraction of higher order harmonic distortion signal waveforms from thermal images. Transmission of the distortion signal waveform to obtain the minimum set of attributes for independent component analysis. Corresponding to the fault site, the detection of thermal faults inside the transformer is completed. Experiments have shown that the technique has a high correct rate of 99.57% on average for different types of thermal faults inside the transformer, which is of high application value.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jiawen Yan, Fuquan Jin, Changjin Chen, Chunyue Jiang, Weitao Hu, and Haibo Guo "Infrared detection of thermal faults inside transformers based on higher order harmonic detection and independent component analysis", Proc. SPIE 12788, Second International Conference on Energy, Power, and Electrical Technology (ICEPET 2023), 127883K (25 September 2023); https://doi.org/10.1117/12.3004289

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KEYWORDS

Transformers

Thermography

Independent component analysis

Infrared detection

Signal detection

Infrared radiation

Infrared imaging

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