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Energy Efficiency Analysis of the Discharge Circuit of Caltech Spheromak Experiment.
- Source :
-
IEEE Transactions on Plasma Science . Jan2010, Vol. 38 Issue 1, p47-52. 6p. 4 Black and White Photographs, 3 Diagrams, 2 Charts, 6 Graphs. - Publication Year :
- 2010
-
Abstract
- The Caltech spheromak experiment uses a size A ignitron in switching a 59-μF capacitor bank (charged up to 8 kV) across an inductive plasma load. Typical power levels in the discharge circuit are ∼200 MW for a duration of ∼10 μs. This paper describes the setup of the circuit and the measurements of various impedances in the circuit. The combined impedance of the size A ignitron and the cables was found to be significantly larger than the plasma impedance. This causes the circuit to behave like a current source with low energy transfer efficiency. This behavior is expected to be common with other pulsed plasma experiments of similar size that employ an ignitron switch. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00933813
- Volume :
- 38
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Plasma Science
- Publication Type :
- Academic Journal
- Accession number :
- 48262712
- Full Text :
- https://doi.org/10.1109/TPS.2009.2034744