Abstract
The gas sensor method is a new method to realize cable fire detection for the advantages of small size, high sensitivity, and quantitative detection of gas. To this end, the pyrolysis characteristics of the PE outer sheath of high-voltage cables were determined via the oxygen consumption method. The results reveal that a strong correlation between various fire index parameters and the heat flux of PE cable pyrolysis. And the ratio of CO and CO2 generated by the pyrolysis of the outer sheath of the cable may be the key to the early detection of PE cable fire. All the works provide experimental foundation for the establishment of the high voltage cable fire early warning method based on the pyrolysis gases.
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Acknowledgements
This study was funded by Science and Technology Research Program of Chongqing Municipal Education Commission (Grant No. KJQN202001524, Grant No. KJZD-K202001505), and Chongqing Natural Science Foundation (Grant No. cstc2020jcyj-msxmX0267).
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Zhou, C., Cao, Z., Wei, G. et al. Research on Pyrolysis Characteristics of PE Outer Sheath of High-Voltage Cables Based on the Principle of Oxygen Consumption. J. Electr. Eng. Technol. 18, 679–685 (2023). https://doi.org/10.1007/s42835-022-01178-0
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DOI: https://doi.org/10.1007/s42835-022-01178-0