Study on Gas Molecular Structure Parameters Based on Maximum Information Coefficient

被引:6
|
作者
You, Tianpeng [1 ]
Dong, Xuzhu [1 ]
Zhou, Wenjun [1 ]
Zheng, Yu [1 ]
Ren, Shubo [1 ]
Lei, Hongyu [1 ]
机构
[1] Wuhan Univ, Sch Elect Engn & Automat, Wuhan 430072, Hubei, Peoples R China
基金
中国国家自然科学基金;
关键词
Gas discharge; maximum information coefficient (MIC); molecular structure parameters (MSPs); multiobjective optimization; SF6 replacement gas; INSULATION; MIXTURES; STRENGTH;
D O I
10.1109/TDEI.2022.3186866
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Predicting the insulation performance of SF6 substitute gases through gas molecular structures has been a popular topic worldwide. There is a lack of research on the relationship between the critical reduced electric field and molecular structure under low pressure. The critical reduced electric field intensity and boiling temperature (BT) of gas are used as inputs to extract the important molecular structure parameters (MSPs) of gas at low pressure by using the maximum information coefficient (MIC) method. Through multivariate nonlinear fitting, the structure-activity relationship model of important MSPs of gas is established. The model is verified by the critical reduction strength and MSPs of C4F7N, CF3SO2F, and SF6 gases. The results show that the model has reliable predictive ability. In this study, the micro mechanism of gas discharge under low pressure and a dc electric field is revealed at the molecular level, and the insulation performance of gas is quantitatively predicted, providing a reference for the analysis of SF6 replacement gas performance.
引用
收藏
页码:1633 / 1639
页数:7
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