Study on high-voltage conductivity provided solely by field-enhanced dissociation in liquid dielectrics

被引：7

作者：

Vasilkov, S. A. ^{[1
]}

Chirkov, V. A. ^{[1
]}

Stishkov, Yu K. ^{[1
]}

机构：

[1] St Petersburg State Univ, 7-9 Univ Skaya Nab, St Petersburg 199034, Russia

来源：

JOURNAL OF ELECTROSTATICS | 2017年 / 88卷

关键词：

Low-conducting liquid; High-voltage conductivity; Field-enhanced dissociation; The Wien effect; HVDC insulation; Computer simulation; Current-voltage characteristic;

D O I：

10.1016/j.elstat.2016.12.001

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The study investigates the process of the electrical current passage in a system with non-uniform electric field under assured absence of injection. The cell has a special design, with the region of the strong electric field located far from metal electrode surfaces and the non-linearity of the current-voltage characteristics ensured solely by the field-enhanced dissociation. The characteristics were measured experimentally and studied numerically for dielectric liquids with different values of low-voltage conductivity; the results were compared. The computations were carried out on the basis of the complete set of electrohydrodynamic equations using commercial software package COMSOL Multiphysics. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：81 / 87

页数：7

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