非对称扰动SF/sub - 6/间隙放电特性

Proceedings of IEEE Conference on Electrical Insulation and Dielectric Phenomena - (CEIDP '93) Pub Date : 1993-10-17 DOI:10.1109/CEIDP.1993.378943

M. Frechette, M. Côté, R. Larocque

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引用次数: 3

摘要

讨论了在平面/点/平面SF/sub - 6/间隙中产生真电晕的条件。在准均匀场条件下，电晕电流只能在低压范围内持续存在。随着气体压力的增加，这些电流完全熄灭了。在加压气体条件下，记录了紫外(UV)辅助电荷集成电流。据推测，它们观察到的随外加电压的增长太弱，无法在超过电晕阈值的扩展电压范围内产生自维持电流。

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Discharge characteristics in an asymmetrically-perturbed SF/sub 6/ gap

Conditions for the generation of true corona in a plane/point/plane SF/sub 6/ gap are discussed. For quasi-uniform field conditions, it is shown that corona currents can be sustained only in the low-pressure range. As the gas pressure was increased, these currents were totally quenched. In pressurized gas conditions, UV (ultraviolet)-assisted charge-integrated currents were recorded. It was hypothesized that their observed growth with applied voltage was too weak to bring about a self-sustained current over an extended voltage range beyond corona threshold.<>

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

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