Repetitive High-Voltage Solid-State Marx Modulator Design for Various Load Conditions

The analysis of a solid-state Marx modulator (S 2 M 2 ) topology, which have been developed for repetitive high-voltage (in kilovolts) applications, needing positive or negative rectangular pulses, is presented. The proposed topology benefits from the intensive use of semiconductors, allowing kilohe...

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Bibliographic Details
Published in:IEEE transactions on plasma science 2009-08, Vol.37 (8), p.1632-1637
Main Authors: Redondo, L.M., Silva, J.F.
Format: Article
Language:English
Subjects:
Applied sciences
Assembling
Circuit topology
Design engineering
Electric power
Electrical engineering. Electrical power engineering
Exact sciences and technology
Grounds
High-voltage techniques
Marx generators
Modular
Modulators
Packages
Plasma applications
Power electronics, power supplies
power semiconductor devices
Power semiconductor switches
Pulse circuits
Pulse generation
Pulse modulation
Pulse power systems
Pulse shaping methods
Pulse transformers
pulsed power systems
Semiconductors
Solid state circuits
Topology
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Description
Summary:The analysis of a solid-state Marx modulator (S 2 M 2 ) topology, which have been developed for repetitive high-voltage (in kilovolts) applications, needing positive or negative rectangular pulses, is presented. The proposed topology benefits from the intensive use of semiconductors, allowing kilohertz operation with different load conditions. In addition to resistive loads, capacitive loads can be discharged to ground after each pulse and inductive loads can be clamped and the energy recovered to the main capacitors. Furthermore, the presented topology and proposed switching sequence enables the use of typical half-bridge semiconductor structures currently integrated in modular packages, which is advantageous for circuit assembling and triggering the semiconductors. Discussion on the advantages and limitation will be given. Finally, experimental results of some modulator features will be presented.
ISSN:0093-3813
1939-9375
DOI:10.1109/TPS.2009.2023221