Fundamental property of electric field in rapeseed ester oil based on Kerr electro-optic measurement

被引：19
|
作者：
Nakamura, K.
Kato, K.
Koide, H.
Hatta, Y.
Okubo, H.
机构：
[1] Nagoya Univ, Dept Elect Engn & Comp Sci, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[2] Japan AE Power Syst Corp, Ichihara 2900067, Japan
[3] Nagoya Univ, EcoTopia Sci Inst, Chikusa Ku, Nagoya, Aichi 4648603, Japan
来源：
IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2006年 / 13卷 / 03期
关键词：
rapeseed ester oil; Kerr effect; Kerr constant; electric field measurement; charge behavior; composite insulation system;
D O I：
10.1109/TDEI.2006.1657974
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：
In the future, environmentally friendly insulating oil such as rapeseed ester oil is expected to be utilized as a substitute for mineral oil for power transformers. In addition, electrical insulation design for transformers becomes more important regarding size reduction and enhancement of electric field stress. The fundamental property of the electric field distribution in the rapeseed ester oil and in the oil / solid dielectrics composite insulation system should be clarified. In this paper. we have directly measured the electric field in the rapeseed ester oil with parallel-plane electrode and the rapeseed ester oil / pressboard (PB) composite insulation systems under dc voltage application using the Kerr electro-optic technique. From the results. we compared measurements of electric field and charge behavior for the rapeseed ester oil and the mineral oil and confirmed the applicability of the rapeseed ester oil for use in transformers.
引用
收藏
页码：601 / 607
页数：7
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