介电液体中电荷注入和输运的有限元分析

2006 IEEE Conference on Electrical Insulation and Dielectric Phenomena Pub Date : 2006-10-01 DOI:10.1109/CEIDP.2006.312078

Sehee Lee, F. O'Sullivan, I. Park, M. Zahn, L. Pettersson, Rongsheng Liu, O. Hjortstam, A. Jaksts, T. Auletta, U. Gafvert

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引用次数: 7

摘要

在简化线性和Fowler-Nordheim电荷注入条件下，分析了受阶跃电压应力的平行平面或针球电极的单极和双极空间电荷注入和传播。为了验证我们的有限元数值方法，我们首先用简化的线性电荷注入定律测试了平行平面电极的单极空间电荷传播，结果与旧的封闭形式理论分析结果吻合得很好。最后，我们用有限元方法分析了包括朗格万复合在内的尖球电极的双极空间电荷传播。

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Finite Element Analysis of Charge Injection and Transport in a Dielectric Liquid

Unipolar and bipolar space charge injection and propagation is analyzed under simplified linear and Fowler-Nordheim charge injection conditions for parallel plane or needle-sphere electrodes stressed by a step voltage. To verify our finite element numerical method, we first tested parallel plane electrodes with a simplified linear charge injection law for unipolar space charge propagation that showed good agreement with older closed form theoretical analysis. Finally, we analyzed tip-sphere electrodes for bipolar space charge propagation including Langevin recombination using finite element analysis.

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2006 IEEE Conference on Electrical Insulation and Dielectric Phenomena

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