Abstract
The detection of insulating gas decomposition components is an important technical means to judge the operation status of Gas-insulated high-voltage switchgear (GIS), but due to the limitation of existing sensing technology, the gas needs to be extracted and detected offline, and the influence of adsorbents will eventually lead to inaccurate detection results. Directly placing the optical path inside the GIS can fundamentally solve this problem, but the high pressure inside the GIS will bring about the distortion of the spectral type of the absorption spectrum, which will reduce the accuracy of the existing spectral measurement technology. As the research object, the distortion characteristics of CO spectrum under high pressure were calculated through theoretical research, and a high-pressure gas spectrum test platform was built. The inversion algorithm verifies the feasibility of measuring the concentration of high-pressure gas absorption spectrum, making it possible to monitor the gas decomposition components built-in in the optical path GIS.
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This paper is supported by Open Fund of State Key Laboratory of Power Grid Environmental Protection (China Electric Power Research Institute) (No. GWY51202101364).
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Qin, Z., Liu, J., Zhao, J., Wu, W., Yuan, G., Zhang, X. (2023). High Pressure CO Gas Molecular Spectroscopic Detection Technology. In: Li, J., **e, K., Hu, J., Yang, Q. (eds) The Proceedings of the 17th Annual Conference of China Electrotechnical Society. ACCES 2022. Lecture Notes in Electrical Engineering, vol 1013. Springer, Singapore. https://doi.org/10.1007/978-981-99-0451-8_109
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DOI: https://doi.org/10.1007/978-981-99-0451-8_109
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