Progress in Researching Charge Accumulation and Discharge Characteristics at Gas-Solid Interface under AC Voltage
Zhang Guixin1, Li Dayu1,2, Wang Tianyu1
1. Department of Electrical Engineering Tsinghua University Beijing 100084 China; 2. PLA Army Academy of Artillery and Air Defense Zhengzhou 450052 China
Abstract：Charges tend to accumulate at the gas-solid interface under the action of high voltage for a long time. It is considered as one of the main factors leading to flashover, which affects the stable operation of power systems. It is of great significance to investigate the characteristics of charge distribution on insulator surface under AC voltage for improving the surface flashover voltage and manufacturing level of insulators. Based on the ongoing research work and the key problems in the study of charge accumulation and discharge characteristics, the related research progress in charge accumulation on solid insulating surface under AC voltage are summarized and reviewed, such as charge measurement methods, the causes of charge accumulation, charge distribution characteristics, influence factors, the relationship between surface charge and flashover voltage, and so on. At last, some suggestions for the ensuing researches are proposed so as to provide some references to related research in the future.
张贵新, 李大雨, 王天宇. 交流电压下气固界面电荷积聚与放电特性研究进展[J]. 电工技术学报, 2022, 37(15): 3876-3887.
Zhang Guixin, Li Dayu, Wang Tianyu. Progress in Researching Charge Accumulation and Discharge Characteristics at Gas-Solid Interface under AC Voltage. Transactions of China Electrotechnical Society, 2022, 37(15): 3876-3887.
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