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D Durga Praveen Kumar1, S Mitra, K Senthil

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This summary is machine-generated.

A new pulse power system for high power microwaves was developed. Methods using a vacuum sparkgap or increased Marx generator inductance effectively eliminated prepulse voltage issues.

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Area of Science:

  • Physics
  • Electrical Engineering

Background:

  • High power microwave generation requires advanced pulse power systems.
  • Blumlein pulse forming lines are susceptible to prepulse voltage, necessitating solutions for stable operation.

Purpose of the Study:

  • To develop and evaluate methods for eliminating prepulse voltage in a Marx generator and Blumlein pulse forming line system.
  • To optimize a 1 MV, 50 kA, 100 ns pulse power system for high power microwave generation.

Main Methods:

  • Implemented a prepulse elimination technique using a vacuum sparkgap and resistor.
  • Investigated increasing the inductance of the Marx generator to minimize prepulse.
  • Experimentally validated both methods on the pulse power system.

Main Results:

  • Both the vacuum sparkgap/resistor method and increased Marx generator inductance successfully reduced prepulse voltage.
  • The system achieved stable high power microwave generation after prepulse mitigation.

Conclusions:

  • Prepulse voltage in Marx generator-Blumlein systems can be effectively suppressed using simple modifications.
  • These methods enhance the reliability and performance of pulse power systems for high power microwave applications.