改性$\gamma-\text{Al}_{2}\ mathm {O}_{3}$对腐蚀性硫的吸附研究

2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE) Pub Date : 2020-09-06 DOI:10.1109/ICHVE49031.2020.9279465

Yaohong Zhao, Yihua Qian, Siwei Pan, Li Li, W. Su, Qibin Xia

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引用次数: 0

摘要

电力变压器作为输变电系统的关键设备，其可靠性直接关系到电力系统的安全稳定运行。近年来，矿物绝缘油中的硫化物使变压器处于高风险中，因为这些硫化物可以与铜绕组反应产生半导电的Cu2S物质。本文主要研究了金属改性$\gamma-\text{Al}_{2}\ maththrm {O}_{3}$模塑粉对绝缘油中硫化合物的吸附脱除。TPD实验解释了吸附机理，表明改性$\gamma-\text{Al}_{2}\ maththrm {O}_{3}$对DBDS的解吸活化能远高于活性炭。

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Study of Corrosive Sulfur Adsorption by Modified $\gamma-\text{Al}_{2}\mathrm{O}_{3}$

As the key equipment of power transmission and transformation system, the reliability of power transformer is directly related to the safe and stable operation of power system. In recent years, sulfur compounds in mineral insulating oil makes the transformers in high risk, since these sulfur compounds can react with copper windings to produce semi-conductive Cu2S species. This work mainly involved with the study of adsorption removal of sulfur compound from insulating oil by metal modified $\gamma-\text{Al}_{2}\mathrm{O}_{3}$ molding powder. The adsorption mechanism explained by TPD experiment suggested that the activation energy of DBDS desorption from modified $\gamma-\text{Al}_{2}\mathrm{O}_{3}$ was much higher than that of active carbon.

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2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE)

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