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Design of a compact 400 MW pulsed power source with high-quality waveform generation
Jinbo Jiang1, Pengfei Wei1, Yingjie Ren2
1College of Electrical Engineering and New Energy, China Three Gorges University, Yichang 443002, China.
The Review of Scientific Instruments
|April 9, 2026
Summary
This study introduces a compact, modular high-voltage pulse driver for high-power microwave experiments. The system achieves a -189.2 kV quasi-square wave pulse, optimizing waveform quality using a genetic algorithm.
Area of Science:
- Electrical Engineering
- Pulsed Power Systems
- High-Power Microwaves
Background:
- High-power microwave (HPM) experiments require advanced pulse drivers.
- Existing drivers face challenges in waveform quality and compactness.
Purpose of the Study:
- To develop a compact, modular high-voltage square-wave pulse driver for HPM applications.
- To improve the pulse flattop waveform quality of the driver.
Main Methods:
- Utilized a PAN-Marx topology powered by a 60 V lithium battery.
- Employed high-frequency constant current charging and an air-core Tesla transformer.
- Optimized PFN-Marx circuit parameters and inter-stage inductances using a genetic algorithm.
Main Results:
- Achieved quasi-square wave pulses with -189.2 kV amplitude, 93.2 ns width, 8.4 ns rise time, and 3.5% ripple.
- Generated peak power of 477 MW into a 75 Ω water resistor load.
- The system demonstrated compact dimensions and manageable weight.
Conclusions:
- The developed PAN-Marx driver meets design requirements for HPM applications.
- The optimization strategy effectively suppressed flattop oscillations, enhancing waveform quality.
- Further high-power microwave application tests are planned.
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