高电压技术2011，Vol.37Issue(3)：718-725,8.
基于Kerr效应的绝缘子表面电场在线测量系统
System for On-line Measuring Electric Field on Insulator Surface Based on Kerr Effect
朱宏林 1刘微粒 1邹晓兵 1王新新 1徐硕1
作者信息
- 1. 清华大学电机工程与应用电子技术系电力系统及发电设备控制和仿真国家重点实验室,北京,100084
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摘要
Abstract
In order to help a correct design of a vacuum insulator used in a fast pulsed power device, so as to avoid the insulator flashover, an electro-optical measurement system based on Kerr effect was constructed. The system is capable of on-line measuring the electric field on the surface of a vacuum insulator that is being stressed with a fast and high voltage. The system is composed of 5 subsystems, including a fast high voltage source (100 ns, 200~350 kV) based on a Marx generator and a pulse forming line, a detecting light source (532 nm, 8 ns) based on a Nd: YAG laser, a synchronization system with a high noise-immunity, a Kerr effect cell in which a tested insulator is im mersed in nitrobenzene liquid, and a phase-difference analyzer (Mach-Zehnder interferometer). The operation princi ples and the experimental results of the system and the subsystems were described.关键词
真空绝缘子/表面电场/表面电荷/克尔效应/电光测量/马赫-贞德干涉仪Key words
vacuum insulator/ surface field/ surface charge/ Kerr effect/ electro-optical measurement/ Mach-Zehnder interferometer分类
信息技术与安全科学引用本文复制引用
朱宏林,刘微粒,邹晓兵,王新新,徐硕..基于Kerr效应的绝缘子表面电场在线测量系统[J].高电压技术,2011,37(3):718-725,8.
