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An improved rolled strip pulse forming line.

Song Li¹, Bao-Liang Qian, Han-Wu Yang

¹College of Optoelectric Science and Engineering, National University of Defense Technology, Changsha, Hunan 410073, People's Republic of China.

The Review of Scientific Instruments

|July 5, 2013

Summary

This summary is machine-generated.

An improved rolled strip pulse forming line (RSPFL) reduces output voltage jitter to 3.8% by minimizing electromagnetic coupling. This compact pulse power technology achieves high output power and long pulse durations for industrial applications.

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Area of Science:

Electrical Engineering
Pulsed Power Technology
Electromagnetics

Background:

Rolled strip pulse forming lines (RSPFLs) offer compactness and portability for pulse power applications.
Electromagnetic coupling in RSPFLs significantly impacts output voltage waveform quality.
Minimizing jitter and improving waveform shape are critical for industrial pulse power systems.

Purpose of the Study:

To investigate an improved RSPFL design with an additional insulator.
To reduce voltage jitter and electromagnetic coupling in RSPFLs.
To evaluate the performance of the improved RSPFL for industrial pulse power applications.

Main Methods:

Numerical simulations to analyze electromagnetic coupling and optimize the RSPFL structure.
Experimental validation of the improved RSPFL design.
Characterization of output voltage waveform, jitter, power, and pulse duration.

Main Results:

The improved RSPFL structure reduced voltage jitter on the flat-top to 3.8%.
Electromagnetic coupling was significantly minimized in the new design.
The improved RSPFL generated quasi-square pulses with hundreds of MW output power and 250 ns duration.
Successful operation as a Blumlein pulse forming line yielded a 10.8 kV, 260 ns pulse.

Conclusions:

The additional insulator effectively minimizes electromagnetic coupling and reduces voltage jitter in RSPFLs.
The improved RSPFL is a viable compact solution for generating high-power, long-duration pulses.
The experimental results align well with numerical analysis, validating the design.