Yue ZHAO, Feng-xiang MA, An-jing WANG, Da-cheng LI, Yu-mei SONG, Jun WU, Fang-xiao CUI, Yang-yu LI, Zhi-cheng CAO. Research on Electric Breakdown Fault Diagnosis Model of Transformer Insulated Oil Based on Fluorescent Double-Color Ratio[J]. Spectroscopy and Spectral Analysis, 2022, 42(4): 1134
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 4, 1134 (2022)
Fig. 1. Principle of transformer insulating oil quality testing based on fluorescence double color ratio
Fig. 2. The principle of transformer insulating oil quality testing based on fluorescence double color ratio
Fig. 3. Fluorescence spectra of the fresh oil on scanning excitation wavelengths
Fig. 4. Selection of optimal fixed excitation wavelength
(a): Comparison of fluorescence characteristics of samples; (b): Intensity curves of characteristic peaks at each excitation wavelength; (c): Variance curves of characteristic peaks at each excitation wavelength
(a): Comparison of fluorescence characteristics of samples; (b): Intensity curves of characteristic peaks at each excitation wavelength; (c): Variance curves of characteristic peaks at each excitation wavelength
Fig. 5. Curve of fluorescence proportional diagnostic model for discharge breakdown of transformer insulated oil
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Table 1. Testing flow parameters
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