The occurrence of streamer corona and space charge field measurement in positive DC glow corona discharge with laser-triggering method

Author

Yang, Jian-bo ; Izawa, Y. ; Nishijima, K.

Author_Institution

Dept. of Electr. Eng., Fukuoka Univ., Japan

fYear

1998

fDate

25-28 Oct 1998

Firstpage

468

Abstract

In the condition of positive polarity DC glow corona discharge for rod-plane and wire-plane gap arrangement in the atmospheric air, when this ion drift space is irradiated by pulsed-laser, streamer corona will be induced with high probability. The occurrence of the streamer corona and it´s propagation process were observed with high-speed camera in detail. From above results, we can see that electron-burst which is produced from negative ions by laser photo-detachment process, drifts to glow corona area and streamer corona is induced, and we knew also that streamer corona is consisted by primary streamer and secondary streamer. Further, different position of the discharge axis is irradiated by laser, we obtain the time lag of the induced streamer corona. By this way, it is verified that the measurement of the space charge electric field in the ion drift space is possible

Keywords

corona; electric field measurement; glow discharges; laser beam effects; space charge; atmospheric air; electron burst; high-speed camera; ion drift space; laser triggering; photodetachment; positive DC glow corona discharge; pulsed laser irradiation; rod-plane gap; space charge electric field measurement; streamer corona; time lag; wire-plane gap; Charge measurement; Corona; Current measurement; Electric breakdown; Electric variables measurement; Electrodes; Laser modes; Optical pulses; Space charge; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Insulation and Dielectric Phenomena, 1998. Annual Report. Conference on

Conference_Location

Atlanta, GA

Print_ISBN

0-7803-5035-9

Type

conf

DOI

10.1109/CEIDP.1998.732937

Filename

732937