Title :
Research on the Recovery Processes of Vacuum Gaps After 50 Hz Sinusoidal Current Zero
Author :
Hong-qun, Li ; Ji-mei, Wang
Author_Institution :
Xi´´an Jiaotong University, Department of Electrical Engineering, Xi´´an, China
Abstract :
The paper reports on recovery processes of vacuum gaps after 50 Hz sinusoidal current zero. We used a vacuum interrupter with a copper button electrode, The measured recovery time was 60, 76, 100 ¿s for currents of 3, 6, and 8 kA, respectively. The theoretical analysis matches the experimental result to a certain extent. The conclusion is that the recovery time depends strongly on the arcing state and the whole heat effect of the half cycle current wave.
Keywords :
Breakdown voltage; Circuit testing; Current measurement; Dielectric breakdown; Electrodes; Interrupters; Probes; Switches; Switching circuits; Vacuum arcs;
Journal_Title :
Electrical Insulation, IEEE Transactions on
DOI :
10.1109/TEI.1985.348901
