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Content Provider | IEEE Xplore Digital Library |
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Author | Nam, S.H. Lee, B.J. Park, S.S. Kim, S.H. Han, Y.J. |
Copyright Year | 2001 |
Description | Author affiliation: Pohang Accelerator Lab., POSTECH, Pohang, South Korea (Nam, S.H.; Lee, B.J.; Park, S.S.; Kim, S.H.; Han, Y.J.) |
Abstract | The purpose of this experiment is to improve understanding of the high current vacuum arc phenomena in a triggered vacuum switch (TVS). The TVS used in the experiment has a rod array electrode. The cross section of each rod has trapezoidal shape. A spectroscopic measurement was performed up to 150 kA peak current at the center of electrodes. The tested electrode material was Fe. Measured Fe spectrum range was from 200 nm to 900 nm. Measurement result showed that over 90 percent of the charge states were Fe II, and the others were Fe I and Fe III. By assuming a local thermal equilibrium (LTE), electron temperatures of the TVS arc were determined from the relative line intensity ratio of Fe II. The electron temperatures at the center of electrodes were measured as 1.5 eV and 2.5 eV with 26 kA and 64 kA peak currents, respectively. The electron temperature increased with its peak current. |
Sponsorship | Plasma Sci. & Appl. Committee Pulsed Power Sci. & Technol. Committee of the IEEE Nucl. & Plasma Sci. Soc |
Starting Page | 1790 |
Ending Page | 1793 |
File Size | 200480 |
Page Count | 4 |
File Format | |
ISBN | 0780371208 |
DOI | 10.1109/PPPS.2001.1001920 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2001-06-17 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Plasma measurements Vacuum arcs Spectroscopy Current measurement Iron Switches Electrodes Electrons Plasma temperature Plasma displays |
Content Type | Text |
Resource Type | Article |
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