Dual Resonant Voltage Droop Compensation for Bipolar Solid-State Marx Generator Topologies

This paper discusses a novel methodology to increase the voltage droop compensation range in generalized solid-state bipolar high-voltage Marx modulators with one resonant stage. To maintain the modularity characteristic of bipolar Marx modulators, the imbedding of additional resonant stages is not...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2019-01, Vol.47 (1), p.1017-1023
Main Authors: Canacsinh, Hiren, Silva, J. Fernando, Redondo, L. M.
Format: Article
Language:English
Subjects:
Capacitors
Compensation
Electric potential
Generators
High voltages
Inductors
Marx generators
Modularity
Modulation
Modulators
Pulse amplitude
Pulse repetition rate
Pulsed power systems
Relaxation time
resonant circuit
RLC circuits
Solid state
solid-state unipolar/bipolar Marx generators
Switches
Turning
voltage droop compensation
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Summary:This paper discusses a novel methodology to increase the voltage droop compensation range in generalized solid-state bipolar high-voltage Marx modulators with one resonant stage. To maintain the modularity characteristic of bipolar Marx modulators, the imbedding of additional resonant stages is not straightforward. Nevertheless, this paper proposes to add a second resonant stage to the already existing resonant-type voltage droop compensation stage. This second stage increases the voltage droop compensation percentage of a generalized solid-state bipolar Marx generator. The compensation of the bipolar pulse voltage droop is now achieved by adding two auxiliary synchronous compensation resonant voltages, to the output capacitive decaying voltage. Simulation and experimental results are presented for six Marx plus two resonant stages, 16% voltage droop, with 3-kV pulse amplitude, 100- \mu \text{s} pulsewidth, 40-ms relaxation time, and 10-Hz pulse repetition rate.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2018.2868495