Calculation Method of Streamer Discharge Energy on Polluted Insulator Surface Based on Quantum Transition Probability
Gao Kai1, Cao Pei1, Wang Heng2, Ai Jianyong2, Jin Lijun2
1. State Grid Shanghai Electric Power Research Institute Shanghai 200437 China 2. College of Electric and Information Engineering Tongji University Shanghai 201804 China
Abstract：The energy exchange form of insulator surface discharge process is complex and difficult to calculate accurately. There is no accurate detection method for insulator surface pollution flashover. In order to deeply analyze the insulator surface discharge process and explore a new method of discharge detection, this paper studied the energy change of insulator surface discharge process by the combination of streamer breakdown theory and quantum transition energy probability. The input and output forms of energy were analyzed from the view of micro-particle energy level, and the critical breakdown field strength of insulators was calculated based on streamer theory. The quantum transition probability was equivalent to the proportion in statistical sense. A new method for calculating discharge energy was proposed from the point of view of ionization and transition combined with the analysis of energy level transition and chemical composition of particles. The experimental results show that the theoretically estimated energy change of the system is about 70%~80% of the actual value, and can describe the energy change of streamer discharge system on the surface of polluted insulators.
高凯, 曹培, 王恒, 艾建勇, 金立军. 基于量子跃迁概率的绝缘子表面流注放电能量计算方法[J]. 电工技术学报, 2020, 35(17): 3750-3757.
Gao Kai, Cao Pei, Wang Heng, Ai Jianyong, Jin Lijun. Calculation Method of Streamer Discharge Energy on Polluted Insulator Surface Based on Quantum Transition Probability. Transactions of China Electrotechnical Society, 2020, 35(17): 3750-3757.
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2020, Vol. 35 
