负电晕放电在SF/sub 6/

Proceedings of IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP '93) Pub Date : 1993-10-17 DOI:10.1109/CEIDP.1993.378949

J.F. Liu, G. Raju

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引用次数: 0

摘要

避免平衡假设，分析了SF/sub - 6/的电晕放电。这是通过对电子的蒙特卡罗模拟来完成的，考虑到电离、附着和光电离过程，并找到空间电荷场泊松方程的解。在不同电压下模拟的电流脉冲发现有多个峰值。这与实验观察一致。根据电压的不同，电流持续几纳秒。详细介绍了电离和光电离引起的电子雪崩的发展。电子在后期浪涌时的猝灭是由于空间电荷场的抑制。

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Negative corona discharges in SF/sub 6/

Corona discharge in SF/sub 6/ is analyzed avoiding the equilibrium assumption. This is accomplished by a Monte Carlo simulation of electrons, considering the ionization, attachment, and photoionization processes, and finding the solution to Poisson's equation for the space charge field. The current pulses simulated at various voltages are found to have more than one peak. This agrees with experimental observation. The current lasts several nanoseconds depending on the voltage. The development of electron avalanches due to ionization and photoionization are displayed in great detail. The quenching of the electrons at later surges is due to space-charge field suppression.<>

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Proceedings of IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP '93)

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