Study on Discharge Decomposition Characteristics of Environmental-friendly Insulating Medium C5F10O

Environmental-friendly insulating medium C 5 F 10 O has attracted wide attention due to its good insulation properties, but there are still few researches on the discharge decomposition of C 5 F 10 O. Based on density functional theory, the discharge decomposition characteristics of C 5 F 10 O are s...

Full description

Saved in:
Bibliographic Details
Published in2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE) pp. 1 - 4
Main Authors Zhang, Ranzhi, Lin, Xin, Zhong, Jianying, Xu, Jianyuan, Yao, Yongqi, Zhang, Jia, Han, Guohui, Ma, Fengxaing
Format Conference Proceeding
LanguageEnglish
Published IEEE 06.09.2020
Subjects
C5F10O
Chemicals
density functional theory
discharge decomposition characteristic
Discharges (electric)
Enthalpy
Environmental friendly insulating medium
Fluorine
Insulation
Ionization
ionization parameters
Temperature distribution
Online AccessGet full text

Cover

More Information
Summary:Environmental-friendly insulating medium C 5 F 10 O has attracted wide attention due to its good insulation properties, but there are still few researches on the discharge decomposition of C 5 F 10 O. Based on density functional theory, the discharge decomposition characteristics of C 5 F 10 O are simulated in this paper. Firstly, the possible discharge decomposition paths of C 5 F 10 O are analyzed and the energy required for different decomposition paths is calculated. Secondly, the synthetic path of C 5 F 10 O decomposition products is discussed, and the energy variation of the synthesis pathway is calculated. Finally, the ionization parameters of C 5 F 10 O discharge decomposition products were calculated and the insulation properties were analyzed. The results show that the C-C bond in the molecular structure of C 5 F 10 O is the most likely to break, and the process of C 5 F 10 O discharge decomposition to form CF 3 CFCOCF 3 ·and CF 3 · radical is the most likely to occur. In the decomposition products of C 5 F 10 O, C2F6, C 5 F 10 and CF4 are easy to be generated, while C3F6, C6F14 and C 3 F 8 are relatively difficult to be generated. The ionization energy of C 5 F 10 O discharge decomposition products is greater than 11eV, which has a strong insulating ability, certain insulation strength can be guaranteed in GIS/GIL.
ISSN:2474-3852
DOI:10.1109/ICHVE49031.2020.9279723