Transient electric field measurement in the liquid dielectrics using computerized laser tomography

被引：10

作者：

Osmokrovic, Predrag ^{[1
]}

Filipovic, Dragan ^{[2
]}

Pesic, Miroslav ^{[3
]}

Lazarevic, Zoran ^{[1
]}

机构：

[1] Univ Belgrade, Fac Elect Engn, Belgrade 11000, Serbia

[2] Kraft R&D, Dept Strateg Innovat Res, Glenview, IL 60025 USA

[3] Elect Power Ind Serbia, Elektrotimok, Zajecar 19000, Serbia

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2007年 / 56卷 / 06期

关键词：

dielectric liquids; electromagnetic transient propagation; electrooptic Kerr effect; lasers; tomography;

D O I：

10.1109/TIM.2007.908312

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：

This paper presents an original method to measure ultrafast voltage transient responses and electric field distribution in liquid dielectrics. The capacitive probe is employed to record the fast voltage transient responses. The electric field is reconstructed with multiangular laser scanning of the space between electrodes and a modified arithmetic reconstruction technique. The finite-difference method (FDM) is used to compare and verify experimental results for symmetrical and asymmetrical electrode configurations. Numerical verification confirmed that the experimental results are accurate enough to be used in the design of oil-immersed dielectric systems.

引用

页码：2538 / 2546

页数：9

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