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PFN-Marx generator output waveform shaping method

A technology for outputting waveforms and generators, applied in the direction of pulse shaping, etc., can solve problems such as difficulty in adjusting output waveforms, poor quality of output waveforms due to the number of PFN nodes, and achieve the effect of broadening the application range and good waveform output

Inactive Publication Date: 2017-07-18
NAT UNIV OF DEFENSE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical difficulty to be solved by the present invention is to use a suitable method to solve the difficulties in adjusting the output waveform of inductance networks such as PFN-Marx medium capacitance and the poor quality of the output waveform when the number of PFN nodes is too small.

Method used

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  • PFN-Marx generator output waveform shaping method
  • PFN-Marx generator output waveform shaping method
  • PFN-Marx generator output waveform shaping method

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Embodiment Construction

[0040] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0041] figure 1 The circuit shown is the basic circuit of the present invention. The circuit is based on n-stage m-section equal-section capacitance and equal-section inductance PFN-Marx, and the first-stage PFN is replaced by k-section non-equal-capacitance PFN. At this time, the first stage is an adjustment stage. The number k of the section capacitance of the adjustment stage is generally greater than or equal to m, and the section capacitance values ​​are C 1 ~C k , the capacitors of all stages except the adjustment stage are C, and the capacitors of each stage are respectively connected in parallel through the stage inductance with an inductance value of L. The stages are connected by cascaded switches, L s is the switch and lead inductance, L c is the internal inductance of the capacitor, L g is the isolation inductance, R L is th...

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Abstract

The invention relates to a novel Marx generator technology, to be specific, relates to a shaping method of adjusting a PFN-Marx generator output waveform by using a single-stage network parameter, and belongs to the pulse power technology field. By changing any stage unit form of a routine equal capacitance equal inductance PFN-Marx into an equal inductance non-equal capacitance form, except the unit adopts the equal inductance non-equal capacitance network form, other stage networks still adopt the equal capacitance equal inductance network form, and then the fine adjustment of the Marx output waveform is realized by adjusting only one stage of the Marx generator. The leading edge, the flattop quality, the lagging edge, and the pulse width of the PFN-Marx output pulse are adjusted conveniently, and the defect of the multi-stage Marx waveform of difficult adjustment is overcome. A substantial value is also provided to realize the compact and small size of the pulse power system.

Description

technical field [0001] The invention relates to a novel Marx generator technology, in particular to a shaping method for adjusting PFN-Marx output waveforms through single-stage network parameters, belongs to the technical field of pulse power, and is mainly used for generating and shaping high-voltage pulse square waves. Background technique [0002] Pulse power technology is an electrophysical technology that stores energy at a lower power, transforms it into pulsed electromagnetic energy at a much higher power and releases it to a specific load. Marx is one of the important ways to form high-voltage pulses in pulse power devices. [0003] The basic principle of the Marx generator can be simply summarized as follows: several capacitors are charged in parallel and then discharged in series to generate high voltage pulses. Its related concept was proposed by Professor Marx E in 1923, so it was named "Marx generator", and it was first used in lightning impulse voltage experi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03K5/01
CPCH03K5/01
Inventor 李志强张昊冉杨建华贺军涛张军
Owner NAT UNIV OF DEFENSE TECH
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