NDLI: Different performance of UV laser induced surface flashover

Content Provider	IEEE Xplore Digital Library
Author	Le Xu Meng Wang JianJun Deng Feng Li Zun Yang
Copyright Year	2012
Description	Author affiliation: Institute of Fluid Physics, CAEP, Mianyang, Sichuan, China (Meng Wang; JianJun Deng; Feng Li; Zun Yang) \|\| Department of Engineering Physics, Tsinghua University, Beijing, China (Le Xu)
Abstract	The flashover phenomenon for the unilluminated case along the interface of solid dielectric in vacuum is the main factor which restricts the performance of high pulsed power devices, and there are plenty of investigations devoted into determining which parameters are important in predicting flashover behavior and the theoretical understanding involved in the process in the past several decades. In this paper, we studied the flashover performance in the UV laser illuminated case. A testbed comprised of a pulsed high voltage power supply, a vacuum chamber, and an excimer laser was assembled to test the flashover behavior under pulsed voltage and UV laser irradiation. Finger electrode was used in our experiments for this kind of electrode is convenient to observe flashover events. A commercial energy meter was used to measure the UV fluence for each laser pulse. The flashover voltage and flashover current were measured for different illuminated positions to determine the flashover time delay. At last, an interpretation was made to explain these experiment results. In conclusion, the UV laser irradiation induced surface flashover has different phenomena compared to the unilluminated case. These results will provide new guidelines to improve the surface flashover voltage when designing pulsed power systems.
Starting Page	103
Ending Page	106
File Size	424668
Page Count	4
File Format	PDF
ISBN	9781467312639
ISSN	10932941
e-ISBN	9781467312660
e-ISBN	9781467312653
DOI	10.1109/DEIV.2012.6412461
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-02
Publisher Place	Russia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Flashover Insulators Lighting Surface emitting lasers Measurement by laser beam Cathodes
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Software

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