Development of a 75 Coulomb triggered vacuum switch

Author

Park, S.S. ; Heo, H. ; Nam, S.H. ; Kim, S.H. ; Han, Y.J. ; Kim, S.H. ; Hong, M.S. ; Park, Young June ; Son, Byung Hak

Author_Institution

Pohang Accelerator Lab., POSTECH, Pohang, South Korea

fYear

2004

fDate

23-26 May 2004

Firstpage

599

Lastpage

602

Abstract

We designed, fabricated, and tested sealed-off triggered vacuum switches (TVSs) used as an ETC-gun switch. To fabricate the sealed-off TVS, we developed processes of the fabrication such as part machining, chemical cleaning, ceramic to metal and metal to metal brazing, metal welding, baking, getter processing and test procedures. The fabricated switches were tested with capacitor banks of 100 kJ and 300 kJ. The prototype switches were successfully tested up to 20 kV peak charging voltage, 109 kA peak current, 1.5 ms pulse-width, and 75-coulomb integrated charge transfer at 300 kJ capacitor bank. Compared to other reported similar switches, the tested switch showed high quality electrical characteristics in high operating voltage, high charge transfer, and long pulse operation.

Keywords

brazing; capacitor storage; ceramics; cleaning; machining; switchgear testing; vacuum switches; welding; 100 kJ; 109 kA; 20 kV; 300 kJ; Coulomb triggered vacuum switch; ETC-gun switch; capacitor banks; ceramic-metal brazing; chemical cleaning; high charge transfer; high quality electrical characteristics; integrated charge transfer; long pulse operation; metal welding; metal-metal brazing; part machining; prototype switches; sealed-off TVS; switch fabrication; Capacitors; Ceramics; Charge transfer; Chemical processes; Cleaning; Fabrication; Machining; Switches; Testing; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Power Modulator Symposium, 2004 and 2004 High-Voltage Workshop. Conference Record of the Twenty-Sixth International

Print_ISBN

0-7803-8586-1

Type

conf

DOI

10.1109/MODSYM.2004.1433648

Filename

1433648