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Fast-charging Blumlein pulse forming line

Published online by Cambridge University Press:  09 March 2009

K. Masugata ,
S. Tsuchida ,
H. Saitou ,
K. Yatsui ,
K. Shibata  and
M. Shigeta
K. Masugata
Affiliation:
Nagaoka University of Technology, Nagaoka, Niigata 940–21, Japan
S. Tsuchida
Affiliation:
Nagaoka University of Technology, Nagaoka, Niigata 940–21, Japan
H. Saitou
Affiliation:
Nagaoka University of Technology, Nagaoka, Niigata 940–21, Japan
K. Yatsui
Affiliation:
Nagaoka University of Technology, Nagaoka, Niigata 940–21, Japan
K. Shibata
Affiliation:
TDK Corporation, Chiba 286, Japan
M. Shigeta
Affiliation:
TDK Corporation, Chiba 286, Japan
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Abstract

A fast-charging, discharge-switch-free Blumlein pulse forming line has been developed for high-voltage pulsed power generation. In the BL, a saturable charging inductor (CI) of amorphous metallic core is utilized and, as a result, fast-charging (charging time ≈220 ns) is obtained with a reduced prepulse. In addition, by using CI as a step-up transformer, the impedance of the output pulse can be converted to 4Z, Z, Z/4. By using the BL with a Marx generator of 300 kV and 1.1 kJ, an output of —580 kV at 24 kA and a pulse length of 60 ns are obtained, with a current rise time of less than 16 ns. The energy transfer efficiency of the line (output pulse energy/charging energy of a pulse forming line) is evaluated to be more than 92%.

Type
Regular Papers
Information
Laser and Particle Beams , Volume 15 , Issue 2 , June 1997 , pp. 249 - 257
Copyright
Copyright © Cambridge University Press 1997

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References

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