Yang CHEN, Jing-min DAI, Zhen-tao WANG, Zong-ju YANG. A Near-Infrared TDLAS Online Detection Device for Dissolved Gas in Transformer Oil[J]. Spectroscopy and Spectral Analysis, 2021, 41(12): 3712
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 12, 3712 (2021)
Fig. 1. Principle of multi-component gas measuring device
Fig. 2. The amplitude of the second harmonic of the characteristic gas
Fig. 3. The fitting curve of the peak and valley value of the second harmonic signal of the characteristic gas and the corresponding coocentration
Fig. 4. Transformer oil characteristic gas detection devices
Fig. 5. Real-time monitoring data of multi-component gases
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Table 1. Absorption lines of characteristic gases
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Table 2. Characteristic gas real-time detection data and control data
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